SMC数字式流量开关PF2A系列说明书(中文)

Page 1 of 3Instruction ManualDigital Flow Switch – Integrated Display PFM7 seriesThe intended use of the digital flow sensor is to monitor and control flow and provide an output signal.These safety instructions are intended to prevent hazardous situations and/or equipment damage. These instructions indicate the level of potential hazard with the labels of “Caution,” “Warning” or “Danger.”They are all important notes for safety and must be followed in addition to International Standards (ISO/IEC) *1), and other safety regulations. *1)ISO 4414: Pneumatic fluid power - General rules relating to systems. ISO 4413: Hydraulic fluid power - General rules relating to systems. IEC 60204-1: Safety of machinery - Electrical equipment of machines. (Part 1: General requirements)ISO 10218-1: Manipulating industrial robots -Safety. etc.• Refer to product catalogue, Operation Manual and Handling Precautions for SMC Products for additional information. • Keep this manual in a safe place for future reference.CautionCaution indicates a hazard with a low level of risk which, ifnot avoided, could result in minor or moderate injury.WarningWarning indicates a hazard with a medium level of riskwhich, if not avoided, could result in death or serious injury.DangerDanger indicates a hazard with a high level of risk which, ifnot avoided, will result in death or serious injury.Warning• Always ensure compliance with relevant safety laws and standards.• All work must be carried out in a safe manner by a qualified person in compliance with applicable national regulations.• This product is class A equipment intended for use in an industrial environment. There may be potential difficulties in ensuring electromagnetic compatibility in other environments due to conducted or radiated disturbances.• Refer to the operation manual on the SMC website (URL: https:// ) for more safety instructions.2.1 General specificationsItem SpecificationsE n v i r o n m e n tEnclosureIP40 Operating temperature Operating: 0 to 50 oC; Storage: -10 to 60 °C(no freezing or condensation) Humidity range 35 to 85% R.H. (no condensation)Withstand voltage 1000 VAC for 1 min.between charged part and case Insulation resistance50 MΩ min (500 VDC Mega) between charged part and caseMaterials in contact with fluidLCP, PBT, brass (electroless nickel plating),HNBR (+ fluoro coating),FKM (+ fluoro coating), Si, Au, SUS3042.2 Specifications2.3 Piping Port and Weight specificationsModel 01 02 N01 N02 F01F02C4 * C6 * C8 * N7 *Thread (Port size)Rc 1/8Rc 1/4NPT 1/8 NPT 1/4 G 1/8 G 1/4 φ4(5/32") φ6φ8(5/16")φ1/4W e i g h tStraight95 g(without flow adjustment valve)125 g 55 g Bottom entry 105 g (without flow adjustment valve)135 g 65 g Straight135 g(with flow adjustment valve)165 g 95 g Bottom entry 145 g (with flow adjustment valve)175 g105 g* Indicates one touch fitting.2.4 Cable specifications ConductorNominal cross section AWG26 Individual wire diameter approx. 0.50 mm InsulatorOutside diameter approx. 1.00 mm Colours Brown, White, Black, Blue SheathMaterial Lead free heat and oil resistant PVC Outer diameterapprox. φ3.5 mmWarning• Special products (-X) might have specifications different from those shown in this section. Contact SMC for specific drawings.2.5 Analogue Output characteristics∗: Analogue output at maximum rated flow rate when CO 2 is selected is 3 [V] for the voltage output type and 12 [mA] for the current output type.Model Max. rated flow (L/min) Model Max. rated flow (L/min) PFM710-#-C/E 10 (5) PFM710-#-D/F 10 (5) PFM725-#-C/E 25 (12.5) PFM725-#-D/F 25 (12.5) PFM750-#-C/E 50 (25) PFM750-#-D/F 50 (25) PFM711-#-C/E100 (50)PFM711-#-D/F100 (50)∗: Values for CO 2 shown in brackets ( ).∗: The table shows the specifications when a flow adjusting valve is included.4 Installation4.1 InstallationWarning• Do not install the product unless the safety instructions have been read and understood.• Use the product within the specified operating rated flow, operating pressure and temperature range.• Tighten to the specified tightening torque.If the tightening torque is exceeded the mounting screws, brackets and the product can be broken. Insufficient torque can cause displacement of the product from its correct position.• Do not drop, hit or apply excessive shock to the product.ORIGINAL INSTRUCTIONSItemDescription Indicator LED (OUT1)Indicates the output status of OUT1.LED is ON (Green) when OUT1 is ON.When the accumulated pulse output mode is selected, the indicator LED will turn OFF. Indicator LED (OUT2)Indicates the output status of OUT2. LED is ON (Red) when OUT2 is ON. When the accumulated pulse output mode is selected, the indicator LED will turn OFF. SET buttonPress this button to change to another mode and to set a value. SocketSocket for electrical connections. Piping portConnected to the fluid inlet at IN side and to thefluid outlet at OUT side.LED displayDisplays the flow value, setting mode, and errorindication. Four display modes can be selected: display always in red or green, or display changing from green to red, or red to green, according to the output status (OUT1).UP button Selects the mode or increases the ON/OFF set value. Press this button to change to the peak display mode.DOWNbutton Selects the mode or decreases the ON/OFF setvalue. Press this button to change to the bottom display mode.Flow adjustmentvalve. Orifice mechanism to adjust the flow.Lock ring Used to lock the flow adjustment valve. Mounting hole Used to mount the product on a DIN rail ordirectly to a panel.BodyThe body of the product. Lead wire and connector Lead wire to supply power and transmit output signals.∗: The table shows the specifications when a flow adjusting valve is included.Page 2 of 34.2 EnvironmentWarning• Do not use in an environment where corrosive gases, chemicals, salt water or steam are present.• Do not use in an explosive atmosphere.• Do not expose to direct sunlight. Use a suitable protective cover.• Do not install in a location subject to vibration or impact in excess of the product’s specifications.• Do not mount in a location exposed to radiant heat that would result in temperatures in excess of the product’s specifications.4.3 Mounting• Never mount the product in a location that will be used as a foothold. • Mount the product so that the fluid flows in the direction indicated by the arrow on the body.4.3.1 Panel mounting• Insert Panel Mount Adapter B (supplied as an accessory) into Section A of Panel Mount Adapter A.Push Panel Mount Adapter B from behind until the display is located in the panel.The pin of Panel Mount Adapter B engages the notched part of Panel Adapter section C to fix the display.• The switch can be mounted on a panel with a thickness of 1 to 3.2 mm.4.3.2 Bracket mounting• Mount the bracket (Part No. ZS-36-A1) on to the product using the mounting screws supplied.• The required tightening torque is 0.5 ±0.05 N•m. Without Flow adjustment valve With Flow adjustment valve(using Part No. ZS-33-M)(using Part No. ZS-33-MS)• Install the product (with bracket) using M3 screws (4 pcs.). • Bracket thickness is approximately 1.2 mm.Refer to the operation manual on the SMC website (URL: https:// ) for mounting hole dimensions.4.3.3 DIN rail mounting• Mount the DIN rail brackets (Part No. ZS-33-R#) to the product using the mounting screws and joint screws supplied.• The required tightening torque for both screw types is 0.4 ± 0.05 N•m.4.4 PipingCaution• Before connecting piping make sure to clean up chips, cutting oil, dust etc.• When installing piping or fittings, ensure sealant material (tape) does not enter inside the port.• When connecting the piping, hold the specified part of the body with a spanner. Using a spanner on other parts may damage the product. • The required tightening torque of the fittings is given in the table below. If the tightening torque is exceeded, the product can be damaged. If the correct tightening torque is not applied, the fittings may become loose.• Ensure there is no leakage after piping.Nominal Thread size Width across flats ofattachmentTightening torqueRc (NPT) 1/8, G1/8 Rc (NPT) 1/4 17 mm7 to 9 N•m G1/421 mm12 to 14 N•m4.4.1 One Touch fittings• Insert the tube until it bottoms out, to ensure it cannot be pulled out. • Insertion with excessive force can cause damage. • Ensure that there is no leakage after piping.• Use the product within the specified operating pressure and temperature ranges.• Proof pressure is 1.0 MPa.5.1 WiringCaution• Wiring should only be performed with the power supply turned OFF. • Confirm proper insulation of wiring.• Use separate routes for the product wiring and any power or highvoltage wiring. Otherwise, malfunction may result due to noise.• Keep wiring as short as possible to prevent interference from electromagnetic noise and surge voltage.• Ensure that the FG terminal is connected to ground when using a commercially available switch-mode power supply.Switching noise will be superimposed and the product specification can no longer be met. This can be prevented by inserting a noise filter, such as a line noise filter and ferrite core, between the switch-mode power supply and the product, or by using a series power supply instead of a switch-mode power supply.5.1.1 Connecting/Disconnecting• When mounting the connector, insert it straight into the socket, holding the lever and connector body, and push the connector until the lever hooks into the housing, and locks.• When removing the connector, press down the lever to release the hook from the housing and pull the connector straight out.5.1.2 Connector pin numbers (on the lead wire)6 Flow Setting6.1 Measurement mode• Measurement mode is the mode in which the flow is detected and displayed, and the switch function is operating.• This is the basic operating mode; other modes should be selected for set-point and other Function Setting changes.6.2 Switch operation• When the flow exceeds the set value, the switch will turn ON.• When the flow falls below the set value by the amount of hysteresis or more, the switch will turn OFF.• If this condition, shown to the right, is acceptable, then keep these settings.<Operation>∗: The Product outputs will continue operating during setting.1. Press the SET button in measurement mode to display the set values.[P_1] or [n_1] and the set value are displayed in turn.2. Press the UP or DOWN button to change the set value.The UP button is to increase and the DOWN button to decrease the set value.Press the UP button once to increase by one digit or press it continuously to keep increasing the set value.Press the DOWN button once to decrease by one digit or press it continuously to keep decreasing the set value.3. Press the SET button to finish the setting of OUT1.For models with 2 outputs, [P_2] or [n_2] will be displayed. Set OUT2 as above.• Zero clear of displayThe display is reset to zero when UP and DOWN are pressed simultaneously for 1 second.For the initial operation, always perform zero clear with no flow applied.Page 3 of 37.1 Function selection modeIn measurement mode, press the SET button for 2 seconds or longer to display [F 0].The [F##] indicates the mode for changing each function setting.Press the SET button for 2 seconds or longer in function selection mode to return to measurement mode.• Peak / Bottom hold function • Zero clear function • Key-lock functionRefer to the operation manual on the SMC website (URL: https:// ) for setting these functions.Refer to the operation manual or catalogue on the SMC website (URL: https:// ) for How to order information.Refer to the operation manual or catalogue on the SMC website (URL: https:// ) for Outline Dimensions.11.1 General MaintenanceCaution• Not following proper maintenance procedures could cause the product to malfunction and lead to equipment damage.• If handled improperly, compressed air can be dangerous.• Maintenance of pneumatic systems should be performed only by qualified personnel.• Before performing maintenance, turn off the power supply and be sure to cut off the supply pressure. Confirm that the air is released to atmosphere.• After installation and maintenance, apply operating pressure and power to the equipment and perform appropriate functional and leakage tests to make sure the equipment is installed correctly.• If any electrical connections are disturbed during maintenance, ensure they are reconnected correctly and safety checks are carried out as required to ensure continued compliance with applicable national regulations.• Do not make any modification to the product.• Do not disassemble the product, unless required by installation or maintenance instructions.• How to reset the product after a power cut or when the power has been unexpectedly removedThe settings of the product are retained from before the power cut or de-energizing.The output condition also recovers to that before the power cut or de-energizing, but may change depending on the operating environment. Therefore, check the safety of the whole system before operating the product.12 Limitations of Use12.1 Limited warranty and Disclaimer/Compliance Requirements Refer to Handling Precautions for SMC Products.13 Product disposalThis product should not be disposed of as municipal waste. Check your local regulations and guidelines to dispose of this product correctly, in order to reduce the impact on human health and the environment.14 ContactsRefer to or www.smc.eu for your local distributor / importer.URL: https:// (Global) https:// (Europe) SMC Corporation, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021, Japan Specifications are subject to change without prior notice from the manufacturer. © 2021 SMC Corporation All Rights Reserved. Template DKP50047-F-085MItemDefault setting[F 0] [Uni] Unit selection function[ L] L/min[F 1] [oU1] Output mode (OUT1) [HYS] Hysteresis mode [1ot] Reversed output (OUT1)[1_P] Normal output[P_1] Input Set value (OUT1) [ ] 50% of max. rated flowPFM710: 5 L/min,PFM725: 12.5 L/min PFM750: 25 L/min,PFM711: 50 L/min[H_1] Hysteresis Setting(OUT1) [ ] 3% of max. rated flow PFM710: 0.3 L/min,PFM725: 0.8 L/minPFM750: 1.5 L/min,PFM711: 3 L/min [CoL] Display colour [SoG] ON: Green, OFF: Red[F 2][oU2] Output mode (OUT2) [HYS] Hysteresis mode[2ot] Reversed output(OUT2) [2_P] Normal output[P_2] Input Set value (OUT2) [ ] 50% of max. rated flow PFM710: 5 L/min, PFM725: 12.5 L/min PFM750: 25 L/min, PFM711: 50 L/min[H_2] Hysteresis Setting(OUT2)[ ] 3% of max. rated flowPFM710: 0.3 L/min,PFM725: 0.8 L/min PFM750: 1.5 L/min,PFM711: 3 L/min[F 3] [FLU] Operating fluid [A i r ] d ry air, N 2[F 4] [rEF] Reference condition [A nr] Standard condition[F 5] [eES] Response time[1.00] 1 second [F 6] [dSP] Display mode [i nS ] Instantaneous flow [F 7] [inP] External input [r _r ] Accumulated flowexternal reset [F 8] [drE] Display resolution [1E2] 100-split[F 9] [PrS] Auto-preset[oFF] Manual [F10] [EEP] Accumulated hold [oFF] OFF [F11] [AFL] Analogue output filter [ on] With filter [F12] [Eco] Power saving mode [oFF] Unused [F13] [Pin] Security code [oFF] Unused [F98] [ALL] Setting of all functions [oFF] Unused[F99] [ini] Reset to default settings [oFF] Unused。

Digital Flow Switch (Display Part) Operation Manual For AirPF2A300/301 SeriesPF2A310/311 SeriesFor Pure Water/Chemical Fluid PF2D300/301 SeriesFor WaterPF2W300/301 SeriesPF2W330/331 SeriesURL SAFETY2Model Indication Method4Name and Functions of Individual Parts 6Installation7Outline with Dimensions8Example of Internal Circuit and Wiring 9Setting 10Initialize11Display Function of Integrated Flow Rate Value 15Instantaneous Flow Rate Setting Mode16Integrated Flow Rate Setting Mode 19Output Selection 20Other Functions 23Specification24CONTENTSThank you for purchasing the SMC PF2*3**Series Digital Flow Switch.Please read this manual carefully before operating digital flow switch and understand digital flow switch, its capabilities and limitations.Please keep this manual handy for future reference.OPERATOR•This operation manual has been written for those who have knowledge of machinery and apparatus that use pneumatic equipment and have full knowledge of assembly, operation and maintenance of such equipment.•Please read this operation manual carefully and understand it before assembling, operating or providing maintenance service to the flow switch.32NOTEFollow the instructions given below when handling your flow switch.Otherwise, the switch may be damaged or may fail, thereby resulting in malfunction.•Do not drop it, bring it into collision with other objects or apply excessive shock (490m/s 2or more).•Wiring correctly.•Do not wiring while power is on.•Although the flow switch complies with the CE Marking, since it does not have the thunder serge protection, please carry out protection to thunder serge by the equipment side.•Although the flow switch complies with the CE Marking, since the equipment and apparatus which are made to generate the serge (Electro-magnetic lifter, High frequency induction furnace, Motor etc.) around the flow switch should perform measure against serge come out.•Do not use with power cable or high-voltage cable in the same wire route.•Do not use in a place in which water, oil, or a chemical splashes.•Do not push the setting buttons by a sharply pointed object.•Turn on the power supply of a flow switch for Air, when flow is zero.Some initial drift occurs during ten minutes after turning the power on.•Start measurement by the flow switch three seconds after turning on the power. (Also in momentary interception of the power supply by reset etc.) Please take a measure by the program of equipment etc.•Maintain the switch status for measurement output before setting when initializing or setting a flow rate of the flow switch.Measure after checking impacts to the equipment.Carry out a setup since a control system is shut down if required.The Digital Flow Switch and this manual contain essentialinformation for the protection of users and others from possible injury and property damage and to ensure correct handling.Please check that you fully understand the definition of the following messages (signs)before going on to read the text, and always follow the instructions.Please read the operation manuals of related apparatus and understand it before operating the flow switch.Do not disassemble, remodel (including change of printed circuit board) or repair.An injury or failure can result.Do not operate beyond specification range.Fire, malfunction or switch damage can result.Please use it after confirming the specification.Do not operate in atmosphere of an inflammable, an explosive and corrosive gas.Fire or an explosion can result.This flow switch is not an explosion-proof type.54NOTE 1:The new Measurement Low prohibits use in Japan of flowswitches with a unit selection function.NOTE 2:Fixed unit for instantaneous flow rate is :L/minfor integrated flow rate is :LSeparate Type Display PartA : AirD : Pure Water/Chemical Fluid W : Water•About sensor partThe type of the sensor part combined with a display part is indicated to be PF *5**with this manual.Refer to the following correspondence table for the sensor part type combined with each display part.BodyOutput (OUT1) Lamp (Green):Lit when OUT1 is ON. Flickers when an overcurrent erroroccurs.Output (OUT2) Lamp (Red):Lit when OUT2 is ON. Flickers when an overcurrent erroroccurs.LED Display:Displays a flow rate, set mode status, selected display unitand error code.Button (UP): Selects a mode and increases a set ON/OFF value.Button (DOWN): Selects a mode and decreases a set ON/OFFvalue.Button (SET): Changes the mode and sets a set value. RESETPressing the and buttons simultaneously will activate the RESET function.Use this function to clear errors when a trouble occurs.Panel Mount Adapter type ZS-22-EPanel Mount Adapter APanel Mount Adapter BBracket are includedMounting•Install the Display Part on the panel, once the Panel Mount Adaptor Bremoves.•Insert Panel Mount Adapter B supplied as an accessory intoSection A of Panel Mount Adapter A.Push Panel Mount Adapter B from behind till the display is fixedonto the panel.The pin of Panel Mount Adapter B engages the notched part ofPanel Adapter A to fix the display.•The switch can be mounted on a panel with a thickness of 1.0 to3.2mm.•See the illustration below for panel cut dimensions.Panel Cut Dimensions Accessories LED DisplayLamp (Red)SETButton (UP)7 698++0.5Panel Thickness: 1 to 3.2mmPanel Cut DimensionsOutput SpecificationBe sure to select a sensor in SMC PF *5**series for accurate measurement of flow rates.The display outputs only switch output.Analog output is output directly by the sensor part. See theoperation manual of the sensor part for the complete information. Connection•Turn the power off before making connection.•Install the cable separately from the route for power cable or high-voltage cable. Otherwise, malfunction may potentially result due to noise.•Use compression terminals for connection to the terminal board.See the full view of dimensions diagram for details of the terminal board.–0NPN Open Collector Output 2OutputsMax. 30V, 80mAInternal Voltage Drop 1V or less–1PNP Open Collector Output 2Outputs Max 80mAInternal Voltage Drop 1.5V or lessPF ∗5 SeriesPF ∗5 SeriesSetting ProceduresKeep pressing the button longer than two seconds. Remove the finger off the button when one of the characters of LED display column of the following table is displayed.1. Flow Rate Range SettingPress the button and select the flow rate range.Press thebutton to set.2. Display Mode SettingSelect whether to display instantaneous flow rate orintegrated flow rate.To change the Display mode, press thedesired flow rate to display. Then press the button.[d_1] and [d_2] respectively indicate the instantaneous flow rate and integrating flow rate.11103. Selecting Display Unit(In case [-M] is not assigned to unit specification in model indication) Refer to page 14.4. Output Method SettingThree output methods are available, namely, instantaneous switch, integrating switch and integrating pulse. The method for output to OUT1 or OUT2 is set as follows.1)First, the output method for OUT1 is set.*Press the button and select the instantaneous switch,integrating switch or integrating pulse.*Press the button to set.[o10] [o11] and [o12] respectively indicate the2)Select one output method for OUT2 from three output methods by pressing the button, as in OUT1.*Press the button to set.[o20] [o21] and [o22] respectively indicate theinstantaneous switch, integrating switch and integrating pulse.5. Output Mode SettingTwo output modes are available, namely, the Reverse Output modeand Non-Reverse Output mode. An output mode for OUT1 andOUT2 is set.1)First, the output method for OUT1 is set.*Press the button and select the Reverse Output mode or Non-Reverse Output mode.*Press the button to set.[1_n] and [1_P] respectively indicate the Reverse Outputmode and Non-Reverse Output mode.mode and Non-Reverse Output mode by pressing the button,as in OUT1.*Press the button to set.[2_n] and [2_P] respectively indicate the Reverse Outputmode and Non-Reverse Output mode.13 1215•Press the button first, then the button, to press both buttons simultaneously. Integration starts when [–] flickers.•Lower three digits of an integrated value are always displayed.Press the button when wishing to check upper three digits.•Pressing the button enables to display an instantaneous flow rate even during integration.•To stop integration, press the button first, then the button,to press both buttons simultaneously.The display will keep the present integrated value.To clear display of an integrated value, press both the and buttons simultaneously longer than two seconds.To further continue integration from the saved value, repress thebutton first, then the button, to press both buttons simultaneously.1716Manually set an actuation value of the instantaneous-value switch in case the instantaneous switch is selected in initialization.The output method is also set in accordance with the value set manually. Set the output method while referring to the output method described below.1.Keep pressing the button and remove the finger off when [F-1] is displayed.2.Repress the button to set for input of a set value in [n_1] (P_1 in the Non-Reverse Output mode) for OUT1.In case the Reverse Output mode is selected in initialization, [n_1]and the set value will be displayed alternately.(In case the Non-Reverse Output mode is selected in initialization,[P_1] and the set value will be displayed alternately.) 3.Press the or buttons to select a desired set value.Press the button to increase the set value or the button to decrease the set value.4.Press the button to set the set value and to move to the setting mode for [n_2] (P_2 in the Non-Reverse Output mode).In case the Reverse Output mode is selected in initialization, [n_2]and the set value will be displayed alternately.(In case the Non-Reverse Output mode is selected in initialization,[P_2] and the set value will be displayed alternately.) 5.Press the or buttons to select a desired set value.Press the button to increase the set value or the button todecrease the set value.6.Press the button to set the set value and to move to the setting mode for OUT2.Set the set value as in OUT1.In case the Reverse Output mode is selected for the OUT2 setting in initialization, [n_3] or [n_4] and the set value will be displayed alternately.In case the Non-Reverse Output mode is selected in initialization,[P_3] or [P_4] and the set value will be displayed pleting settings for [n_1] to [n_4] ([P_1] to [P_4] in the Non-Reverse Output mode) will finish flow rate setting and the mode will return to the Measurement mode.Manual1918The flow rate flowing through the flow switch will be set as areference value and a Hysteresis (H) will be set automatically at a value 3digits lower when setting auto preset input.The output method for setting by auto presetting is only hysteresis mode.1.Keep pressing the button and remove the finger off when [F_1] is displayed.2.Press the button and change [F_1] in the display to [F_2].3.Press the button and set the auto preset state of OUT1.The display will change to show [AP1] .(In case OUT1 setting is not needed, press the and button simultaneously.)4.Prepare the equipment to set the flow rate of OUT1 and flow fluid of the required flow rate.5.Pressing the button will automatically read the flow rate. A value 3digits lower will be set automatically as a Hysteresis (H).The display will show [A1L] and the set value alternately.6.Press the button and set auto preset state of OUT2.The display will change to show [AP2].(In case OUT2 setting is not needed, press the and buttons simultaneously.)7.Prepare the equipment to set the flow rate of OUT2 and flow fluid of the required flow rate.8.Pressing the button will automatically read the flow rate. A value 3digits lower will be set automatically as a Hysteresis (H).The display will show [A2L] and the set value alternately.9.Press the button to finish the Auto Presetting mode and themode will return to the Measurement mode.Auto Presetting•The switch is set to an integrated flow rate.•Integrated flow rate is displayed by switchingdividing into lower three digits and upper three digits. 1.Keep pressing the button and remove the finger off when [F_1] or [F_3] is displayed.Proceed to Step 3. if [F_3] is displayed.([F_1] will be displayed in case the instantaneous switch is selected for any switch output in initialization. In other cases,[F_3] will be displayed.)2.When [F_1] is displayed, push the button till the display shows [F_3]. The subsequent setting operation will be the same as that when [F_3] is displayed. Set as follows.3.Set as follows if [F_3] is displayed.1)Press the button and display the lower three digits of the integrated flow rate of OUT1.2)Press the or buttons and adjust the set value to the desired value.3)Press the button to set. The upper three digits of OUT1 will be displayed.4)Press the or buttons and adjust the set value to the desired value.5)Press the button to set. The lower three digits of OUT2 will be displayed.6)Press the or buttons and adjust the set value to the desired value.7)Press the button to set. The upper three digits of OUT2 will be displayed.8)Press the or buttons and adjust the set value to the desired value.9)Press the button to finish setting of an integrated flow rate and the mode will return to the Measurement mode.Instantaneous Switch Output MethodFour output methods can be selected by selecting an output modeOne of these four output methods can be selected for each output.•OUT1 and OUT2 can be set independently.•1digit flow rate conversion will be a minimum set unit. See thespecification for the set flow rate units.•When setting in the Auto Presetting mode, the Hysteresis mode willbe set automatically. Hysteresis in this case will be 3digits fixed.•In the Window Comparator mode, leave between [P_1] and [P_2]or between [n_1] and [n_2] values more than seven digits.•The following is given using OUT1 as an example. Thedescriptions for OUT2 are the same as those for OUT1, under theconditions that [n_1] and [n_2] should be replaced by [n_3] and[n_4] and [P_1] and [P_2] should be replaced by [P_3] and [P_4].20212322To reset display of Error 1, 2 or 4, press theandbuttons simultaneously.Integrating Switch Output•Two output methods can be selected by selecting an output mode.One of these two output methods can be selected for each output.•OUT1 and OUT2 can be set independently.•The following is given using OUT1 as an example. Thedescriptions for OUT2 are the same as those for OUT1, under the conditions that 1nL and 1nH should be replaced by 2nL and 2nH and 1PL and 1PH should be replaced by 2PL and 2PH.Integrating Pulse Output•Pulse output for integrated flow rate measurement.Key Lock FunctionThis function prevents errors such as changing a set value by mistake.Lock•Keep pressing the button longer than three seconds.The display will change to show [F_1] Æ[***] Æ[unL.]Remove the finger off the button when [unL] is displayed.([***]:Refer to the LED display column in the table, Page11)•Press the button to set the display to [Loc]•Press the button and return to the Measurement mode.Unlock •Press the button longer than three seconds. Remove the finger off the button when [Loc] is displayed.•Press the button to change the display to [unL]•Press the button and return to the Measurement mode.Error Display and TroubleshootingIn case an error occurs, take the following actions:2524*1:The flow rate indication range is corresponding to the flow rate range set up bythe initialization.*2:With a unit selection function(Without a unit selection function, fixed to SI units(L/min or L))*3:Two units in normal condition (0˚C/ 101.3kPa) or standard condition (20˚C/101.3kPa/ 65%RH) can be selected.*4:This is an overall accuracy combined with PF2A 5**.*5:Select whether to switch output or pulse output of integrated flow rate by theinitialization.*6:Window Comparator mode. Hysteresis (H) will be in 3digits.Separate [P_1] and [P_2], as well as [n_1] and [n_2], more than 7digits.(In case of the output 2, n_1,2 becomes n_3,4 and P_1,2 becomes P_3,4)*7:The display part conforms entirely to the CE standard.2627。

Digital Flow SwitchOperation ManualPF2A7HInstallation•Never mount the product in a location that will be used as a foothold.•The rotation angle of the monitor is 270o , in steps of 90o . Rotating the display part with excessive force will damage the end stop.(IN side)BodyMonitor partConnector pin numbers(On the product)13241DC(+)2Analogue output 3DC(-)4OUT1Thank you for purchasing an SMC PF2A7H Series Digital Flow Switch.Please read this manual carefully before operating the product and make sure you understand its capabilities and limitations.Please keep this manual handy for future reference.To obtain more detailed information about operating this product, please refer to the SMC website (URL ) or contact SMC directly.These safety instructions are intended to prevent hazardous situations and/or equipment damage.These instructions indicate the level of potential hazard with the labels of"Caution", "Warning" or "Danger". They are all important notes for safety and must be followed in addition to International standards (ISO/IEC) and other safety regulations.OperatorSafety InstructionsMaintenanceHow to reset the product after a power cut or forcible de-energizing The setting of the product will be retained as it was before a power cut or de-energizing.The output condition is also basically recovered to that before a power cut or de-energizing, but may change depending on the operating environment.Therefore, check the safety of the whole installation before operating the product.Mounting and InstallationConnecting the piping•Ensure that the metal piping attachments are tightened to the required torque (refer to the table below).•If the tightening torque is exceeded, the product can be broken. If the tightening torque is insufficient, the fittings may become loose.∗3: Depend on the setting of switch operation in initialize mode.∗4: Displayed in turn.∗5: Setting is available when Set point 1 < Set point 2.List of outputsFind the diagram of the output required in the table below. Perform settings following the Set value column on the right.Wiring•Connections should only be made with the power supply turned off.•Use separate routes for the product wiring and any power or high voltage wiring. Otherwise, malfunction may result due to noise.•Ensure that the FG terminal is connected to ground when using a commercially available switch-mode power supply. When a switch-mode power supply is connected to the product, switching noise will be superimposed and theproduct specification can no longer be met. This can be prevented by inserting a noise filter, such as a line noise filter and ferrite core, between the switch-mode power supply and the product, or by using a series power supply instead of a switch-mode power supply.Connecting the wiring•Align the lead wire connector with the connector key groove, and insert vertically.•Connection is complete when the knurled part is fully tightened. Check that the connection is not loose.Connector Pin numbersWhen the lead wire with connector designated for the PF2A7 is used, the wire colours will apply as shown in the diagram.Power is suppliedFunction selection modeDefault settingsThe default settings are as follows.If this condition is acceptable, then keep these settings.This [F_Specifications / Outline with DimensionsRefer to the product catalogue or SMC website (URL ) for more information about the product specifications and outline dimensions.Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer.© 2011 SMC Corporation All Rights ReservedAkihabara UDX 15F , 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 101-0021, JAP AN Phone: +81 3-5207-8249 Fax: +81 3-5298-5362URL TroubleshootingRefer to the SMC website (URL ) for more information about troubleshooting.∗1: Operate only the product with unit selection function.∗2: Setting is available when Set point 1 Set point 2.Not displayed when Set point 1Set point 2.To set each of these functions, refer to the SMC website(URL ) for more information about other functions in detail.Other functionsReset of the accumulated flow Reset to the default settingPiping•Use the product within the specified operating pressure range and temperature range.•Proof pressure is 2.25 MPa.•Connect the piping to the fittings.•Mount the product so that the fluid direction is the same as the arrow indicated on the product.•Never mount the product upside down.•The piping on the IN side must have a straight section of piping whose length is 8 times the piping diameter or more.•Avoid sudden changes in the piping size on the IN side of the product.。

Instruction Manual Digital Flow Switch –Integrated typePF2M7## seriesThe intended use of the digital flow switch is to monitor and display flowinformation.1 Safety InstructionsThese safety instructions are intended to prevent hazardous situationsand/or equipment damage. These instructions indicate the level ofpotential hazard with the labels of “Caution,” “Warning” or “Danger.”They are all important notes for safety and must be followed in additionto International Standards (ISO/IEC) *1), and other safety regulations.*1) ISO 4414: Pneumatic fluid power - General rules relating to systems.ISO 4413: Hydraulic fluid power - General rules relating to systems.IEC 60204-1: Safety of machinery - Electrical equipment of machines.(Part 1: General requirements)ISO 10218-1: Manipulating industrial robots -Safety. etc.∙Refer to product catalogue, Operation Manual and HandlingPrecautions for SMC Products for additional information.∙ Keep this manual in a safe place for future reference.∙This product is class A equipment intended for use in an industrialenvironment. There may be potential difficulties in ensuringelectromagnetic compatibility in other environments due to conductedor radiated disturbances.not avoided, will result in death or serious injury.Warning∙Always ensure compliance with relevant safety laws andstandards.∙All work must be carried out in a safe manner by a qualified person incompliance with applicable national regulations.∙Do not disassemble, modify (including changing the printedcircuit board) or repair.An injury or failure can result.∙Do not operate the product outside of the specifications.Fire, malfunction or damage to the product can result.∙Do not operate in an atmosphere containing flammable, explosiveor corrosive gas.Fire or an explosion can result.∙Do not use the product for flammable fluids.Fire, explosion, damage or corrosion can result.∙If using the product in an interlocking circuit:Provide a double interlocking system, for example a mechanicalsystem.∙Check the product for correct operation.Otherwise malfunction can result, causing an accident.∙Do not use the product in a place where static electricity is aproblem.Product failure or system malfunction may result.Otherwise electric shock, malfunction or product damage can result.∙Refer to the operation manual on the SMC website(URL: https://) for more safety instructions.2 Specifications 2 Specifications (continued)3 Names of Individual parts3.1 PF2M7## (with flow adjustment valve)3.24 Installation4.1 InstallationWarning∙Do not install the product unless the safety instructions have been readand understood.∙Use the product within the specified operating pressure andtemperature range.∙Proof pressure could vary according to the fluid temperature. Checkthe characteristics data for operating pressure and proof pressure.4.2 EnvironmentWarning∙Do not use in an environment where corrosive gases, chemicals, saltwater or steam are present.∙Do not use in an explosive atmosphere.∙Do not expose to direct sunlight. Use a suitable protective cover.∙Do not install in a location subject to vibration or impact in excess ofthe product’s specifications.∙Do not mount in a location exposed to radiant heat that would result intemperatures in excess of the product’s specifications.∙Refer to the flow direction of the fluid indicated on the product forinstallation and piping.∙Do not mount the body with the bottom facing upwards.Retention of air can cause inability to measure accurately.∙Do not insert metal wires or other foreign matter into the piping port.This can damage the sensor causing failure or malfunction.∙Never mount a product in a location that will be used as a foothold.The product may be damaged if excessive force is applied by steppingor climbing onto it.∙If there is a risk of foreign matter entering the fluid, install and pipe afilter or mist separator at the inlet to avoid failure and malfunction.Otherwise damage or malfunction can result.ORIGINAL INSTRUCTIONSRefer to Declaration ofConformity for relevantDirectivesThe product code is displayed for approximately 3 seconds afterpower is supplied.Then measurement mode will be displayed and the switchoperation will start.4.3 Panel mounting∙ Insert panel mount adapter B (supplied as an accessory) into section A of the panel mount adapter.Push panel mount adapter B from behind until the display is fixed onto the panel.The bracket pin engages the notched part of panel adapter section C to fix the display.∙ The switch can be mounted on a panel with a thickness of 1 to 3.2 mm.4.4 Bracket mounting ∙ Mount the bracket using the mounting screws supplied. ∙ The required tightening torque is 0.42 ±0.04 Nm.∙ Install the product (with bracket) using the M3 screws (4 pcs.). ∙ Bracket thickness is approximately 1.2 mm.4.5 DIN rail mounting (using ZS-33-R#)∙ Mount the DIN rail mounting parts using the mounting screws and joint screws supplied.∙ The required tightening torque of the DIN rail mounting screws and joint screws is 0.4 ±0.05 Nm.∙ Refer to the operation manual on the SMC website (URL: https:// ) for all mounting dimensions.4.6 PipingCaution∙ Before connecting piping make sure to clean up chips, cutting oil, dust etc.∙ Ensure there is no leakage after piping.∙ Any dust left in the piping should be flushed out by air blow before connecting piping to the product.Otherwise damage or malfunction can result.4.7 WiringCaution∙ Do not perform wiring while the power is on. ∙ Confirm proper insulation of wiring.∙ Do not route wires and cables together with power or high voltage cables.Otherwise the product can malfunction due to interference of noise and surge voltage from power and high voltage cables to the signal line. ∙ Keep wiring as short as possible to prevent interference from electromagnetic noise and surge voltage. Do not use a cable longer than 30 m.∙ Ensure that the FG terminal is connected to ground when using a commercially available switch-mode power supply.∙ When the analogue output is used, install a noise filter (line noise filter, ferrite element, etc.) between the switch-mode power supply and this product.Connecting / Disconnecting∙ When mounting the connector, insert it straight into the socket, holding the lever and connector body, and push the connector until the lever hooks into the housing, and locks.∙ When removing the connector, press down the lever to release the hook from the housing and pull the connector straight out.Connector pin numbers (on the lead wire)Power is supplied*: The outputs will continue to operate during setting.*: Simple settingmode and function selection mode settings are reflected each other.6 Flow Setting6.1 Switch operationWhen the flow exceeds the set value, the switch will be turned ON.When the flow falls below the set value by the amount of hysteresis or more, the switch will be turned OFF.The default setting is to turn on the flow switch when the flow reaches the centre of the upper limit of the rated flow range.If the operation shown below is acceptable, keep this setting.*: For hysteresis refer to [F 1] Setting of OUT1 and [F 2] Setting of OUT2.[Simple setting mode (Hysteresis mode)]In the Simple setting mode, the set value and hysteresis can be changed.(1) Press the SET button once in measurement mode.[P_1] or [n_1] and the [current set value] are displayed alternately.(2) Change the set value using the UP or DOWN button and press the SET button to set the value. Then, the setting moves to hysteresis setting (The snap shot function can be used). ∙ Press the UP button continuously to keep increasing the set value.∙ Press the DOWN button continuously to keep decreasing the set value.(3) [H_1] and the current set value are displayed in turn.(4) Change the hysteresis by pressing the UP or DOWN button and press the SET button. Setting is completed and the product returns to measurement mode (The snap shot function can be used).* For models with switch outputs for both OUT1 and OUT2, [P_2] or [n_2] will be displayed. These are set simultaneously.* After enabling the setting by pressing the SET button, it is possible to return to measurement mode by pressing the SET button for 2 seconds or longer.* When hysteresis mode is not used, "Input set value” is displayed. * The set value and hysteresis settings limit each other.* For more detailed setting, set each function in function selection mode.8 Function Setting8.1 Function selection modeIn measurement mode, press the SET button for 2 to 5 seconds to display [F 0] on the display.Select to display the function to be change [F ].Press the SET button for 2 seconds or longer in function selection mode to return to measurement mode. *: Some products do not have all the functions. If a function is not available or selected due to configuration of other functions, [- - -] is displayed.Without flow adjustment valve (using ZS-33-M) With flow adjustment valve (using ZS-33-MS)Press the SETbutton for 5 seconds or longerPress the SET button between 2 to 5 secondsPress the SET button once8.2 Default settings* [Unit] setting is only possible for models with units selection function. * [F 2] only available for models with OUT1 and OUT2 switch outputs. *[F22] function is only available for models with analogue output. Analogue free span function can be selected. ∙Snap shot function∙Key-lock function∙Zero clear functionRefer to the operation manual on the SMC website (URL:https://) for setting these functions.10 Maintenance10.1 General MaintenanceCaution∙Not following proper maintenance procedures could cause the productto malfunction and lead to equipment damage.∙If handled improperly, compressed air can be dangerous.∙Maintenance of pneumatic systems should be performed only byqualified personnel.∙Before performing maintenance, turn off the power supply and be sureto cut off the supply pressure. Confirm that the air is released toatmosphere.∙After installation and maintenance, apply operating pressure andpower to the equipment and perform appropriate functional andleakage tests to make sure the equipment is installed correctly.∙If any electrical connections are disturbed during maintenance, ensurethey are reconnected correctly and safety checks are carried out asrequired to ensure continued compliance with applicable nationalregulations.∙Do not make any modification to the product.∙Do not disassemble the product, unless required by installation ormaintenance instructions.∙How to reset the product after a power cut or when the power hasbeen unexpectedly removedThe settings of the product are retained from before the power cut orde-energizing.The output condition also recovers to that before the power cut or de-energizing, but may change depending on the operating environment.Therefore, check the safety of the whole system before operating theproduct.11 How to OrderRefer to draw ings/catalogue for ‘How to Order’ information.12 Outline Dimensions (mm)Refer to the operation manual on the SMC website (URL:https://) for outline dimensions.13.1 Error indicationIf the error cannot be reset after the above measures are taken, or errorsother than the above are displayed, please contact SMC.Refer to the operation manual on the SMC website (URL:https://) for more detailed information abouttroubleshooting.14.1 Limited warranty and Disclaimer/Compliance RequirementsRefer to Handling Precautions for SMC Products.15 ContactsRefer to Declaration of Conformity and URL: https://for contacts.URL : https:// (Global) https:// (Europe)'SMC Corporation, Akihabara UDX15F, 4-14-1, Sotokanda, Chiyoda-ku, Tokyo 1010021Specifications are subject to change without prior notice from the manufacturer.© 2019 SMC Corporation All Rights Reserved.Template DKP50047-F-085H。

文件No．：AR ※-OMF0022-B○ 使用产品之前请务必阅读此使用说明书。

○ 请仔细阅读安全注意事项。

○ 为了今后方便使用，请妥善保管使用说明书。

AR25K-(F,N)02～(F,N)03(B,E,G,H)(-1,N,R,Y,Z)产品名称：带逆流功能的减压阀代表型号：AR20K-(F,N)01～(F,N)02(B,E,G,H)(-1,N,R,Y,Z)AR40K-(F,N)02～(F,N)04(B,E,G,H)(-1,N,R,Y,Z)AR40K-(F,N)06(B,E,G,H)(-1,N,R,Y,Z)使 用 说 明 书AR50K-(F,N)06～(F,N)10(B,E,G)(-1,N,R,Y,Z)AR30K-(F,N)02～(F,N)03(B,E,G,H)(-1,N,R,Y,Z)AR60K-(F,N)10(B,E,G)(-1,N,R,Y,Z)目录页1、安全注意事项 1—32、用途43、规格44、型号表示方法45、故障及对策56、构造图/零件清单67、更换操作要领 7—98、分解图 10—119、外观尺寸12SMC（中国）有限公司地址：北京市经济技术开发区兴盛街甲2号 （100176）网址：2、用途 本产品用于气路中的压力控制。

内部设有逆流功能，当入口压力与出口压力相比，下降到规定量时，出口压力将向入口侧开放。

3、型号AR20K AR25K AR30K AR40K AR40K-06AR50KAR60K 管连接口径1/8、1/41/4、3/81/4、3/81/4、3/8、1/23/43/4、11使用流体保证耐压力最高使用压力注1)设定压力范围注2)压力表连接口径环境温度及使用流体温度构造质量0.26kg 0.21kg 0.29kg 0.44kg0.47kg 1.17kg 1.22kg注1)　使1次侧压力比设定压力高0.05MPa以上。

注2） 带四方形埋入式压力计时，没有压力计连接用螺钉。

4、型号表示方法型式空气1.5MPa 1.0MPa -5～60℃（无冻结）溢流型0.05～0.85MPa1/81/4设定压力+0.05MPa｛只在溢流流量为0.1L/min (ANR)　时｝溢流压力５．故障与对策区分现象压力不能调整１．流向错误。