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SMC Corporation PF2A20 Series Operation Manual

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No.PF##-OMH0003-B
PRODUCT NAME
Flow Monitor
MODEL / Series / Product Number
PF2A20#
PF2W20#
PF2D20#

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Summary of Contents for SMC Corporation PF2A20 Series

  • Page 1 No.PF##-OMH0003-B PRODUCT NAME Flow Monitor MODEL / Series / Product Number PF2A20# PF2W20# PF2D20#...

  • Page 2: Table Of Contents

    Table of Contents Safety Instructions Model Indication and How to Order Summary of Product parts Definition and terminology Mounting and Installation Installation Wiring Outline of setting List of outputs Initialize mode Setting procedure of Initialize mode Function selection mode F_1 Input procedure of the Set value of instantaneous output F_2 Input procedure of the Set value of accumulated output F_3 Copy function Other functions...

  • Page 3: Safety Instructions

    Safety Instructions 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 ∗1) standards (ISO/IEC) and other safety regulations.
  • Page 4 Caution The product is provided for use in manufacturing industries. The product herein described is basically provided for peaceful use in manufacturing industries. If considering using the product in other industries, consult SMC beforehand and exchange specifications or a contract if necessary. If anything is unclear, contact your nearest sales branch.
  • Page 5 Operator ♦This operation manual is intended for those who have knowledge of machinery using pneumatic equipment, and have sufficient knowledge of assembly, operation and maintenance of such equipment. Only those persons are allowed to perform assembly, operation and maintenance. ♦Read and understand this operation manual carefully before assembling, operating or providing maintenance to the product.
  • Page 6 ■NOTE ○Follow the instructions given below when designing, selecting and handling the product. ●The instructions on design and selection (installation, wiring, environment, adjustment, operation, described below must also be followed. maintenance, etc.) ∗Product specifications •Use the specified voltage. Otherwise failure or malfunction can result. Insufficient supply voltage may not drive a load due to a voltage drop inside the product.
  • Page 7 ●Product handling ∗Installation •Do not apply excessive stress to the product when it is panel mounted. Otherwise damage to the product and disconnection from the panel mount can result. •Ensure that the FG terminal is connected to ground when using a commercially available switch-mode power supply.
  • Page 8 ∗Environment •Do not use the product in an environment that is constantly exposed to the splash of water. Otherwise failure or malfunction can result. Take measures such as using a cover. •Do not use the product in an environment where corrosive gases or fluids could be splashed. Otherwise damage to the product and malfunction can result.
  • Page 9 ∗Adjustment and Operation •Connect load before turning on the power. Otherwise it can cause excess current causing instantaneous damage to the product. •Do not short-circuit the load. Although an error is displayed when the product load is short circuited, excess current may cause damage to the product.

  • Page 10: Model Indication And How To Order

    Model indication and How to Order No.PF##-OMH0003-B...
  • Page 11 Option 1 without panel mount adapter with panel mount adapter with panel mount adapter + front protective cover ∗: Each accessory is not assembled with the product, but shipped together. Option 2 without sensor connector with sensor connector (4 pcs.) ∗: Each accessory is not assembled with the product, but shipped together.
  • Page 12 Accessories / Part number If an accessory is required separately, order using the following part numbers. Part number Description Remarks Weight ZS-26-A Power and output cable Length: 2 m 65 g ZS-26-B Panel mount adapter with waterproof seal, with Mounting screw (3.0 x 8 L) 2 pcs. 10 g Panel mount adapter + ZS-26-C...

  • Page 13: Summary Of Product Parts

    Summary of Product parts Front Item Description Indicates the unit currently selected, and automatically displays instantaneous Unit display flow or accumulated flow units according to the display mode. LCD display Displays the flow value, setting mode, and error indication. Indicator LED (output) Indicates the switch output status.

  • Page 14: Definition And Terminology

    ■Definition and terminology Terms Meaning The total amount of fluid that has passed through the device. If an instantaneous flow of Accumulated flow 10 L/min continues for 5 minutes, the accumulated flow will be 5×10 = 50 L. Accumulated pulse A type of output where a pulse is generated every time a predefined accumulated flow output passes.
  • Page 15 Terms Meaning The range of ON/OFF threshold values that can be set for those products with a switch Setting flow range output. Flow display which is converted in atmospheric pressure at 20 °C, 65%R.H. Standard condition Output type that has only 2 conditions, ON or OFF. In the ON condition, an indicator Switch output light (output) will show, and any connected load will be powered.

  • Page 16: Mounting And Installation

    Mounting and Installation ■Installation •Never mount the product in a location that will be used as a foothold. ●Installing Mounting with the panel mount adapter □ •Install the product as shown below. The 48 mm conversion adapter is available if required. •The panel mount adapter and the front cover can be rotated 90 for mounting.

  • Page 17: Wiring

    ■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.
  • Page 18 Connecting / Disconnecting •When connecting, insert the connectors straight into the body until it clicks. •When removing the connector, press down the lever to release the hook from the housing and pull the connector straight out. Power and output connector pin numbers Sensor connector pin numbers (on the cable) (on the cable)
  • Page 19 ●Internal circuit and wiring example When the Power and output cable (ZS-26-A) is used, the wire colours will apply as shown in the diagram. NPN (4 outputs) type PF2A200- Max. 30 V, 80 mA Internal voltage drop: 1 V or less PNP (4 outputs) type PF2A201- Max.

  • Page 20: Outline Of Setting

    Outline of setting Power is supplied The output will not operate for 3 seconds after supplying power. The identification code of the product is displayed. Measurement mode The mode in which the flow is detected and displayed, and the switch output is operating. This is the basic operating mode;...

  • Page 21: List Of Outputs

    ■List of outputs Find the diagram of the output required in the table below. Perform settings following the Set value column on the right. Switch Switch output diagram Output mode Set value operation Set point 2 Set point 1 ∗ 2 ≦...

  • Page 22: Initialize Mode

    Initialize mode ■Default settings The default settings are as follows. If this condition is acceptable, then keep these settings. Refer to the relevant page for changing the settings. •PF2A20 series Item Default settings Page Selection of the connected sensor [10L] 1 to 10 L/min type (PF2A510)

  • Page 23: Setting Procedure Of Initialize Mode

    The sensor to be connected is selectable before using the product. If the select connected sensor is changed, the accumulated value and the peak (bottom) value display are return to default setting. Press the button to select. •PF2A20 series •[10L]: 1 to 10 L/min type (PF2A510) •[50L]:...
  • Page 24 Press the button. SI unit only Selection of unit selection function The display unit can only be selected for products with unit selection unction. Press the button to select. •PF2A20 series Display Instantaneous flow Accumulated flow [U_1] L/min ∗ [U_2]...
  • Page 25 Selection of switch operation Select the switch operation required referring to the list of outputs (page 20). Press the button to select. •[1_n]: Reverse output •[1_P]: Non-Reverse output Press the button. Reference condition selection Operate only the PF2A2 series. Select standard condition or normal condition for the display units. Press the button to select.
  • Page 26 Flow specification when [U_2] is selected by the unit selection function •PF2A20 series Model PF2A20 Applicable sensor PF2A510 PF2A550 PF2A511 PF2A521 PF2A551 3.5 to 35.5 18 to 176 3.5 to 35.5 7 to 71 18 to 176 Rated flow range...

  • Page 27: Function Selection Mode

    Function selection mode Function selection mode In measurement mode, press the button, to display [F_ ]. This [F_ ] indicates the mode for changing each functional setting. ∗: When the output mode is set to instantaneous output mode, [F_1] is displayed. When the output mode is set to accumulated output mode, [F_2] is displayed.

  • Page 28: F_1 Input Procedure Of The Set Value Of Instantaneous Output

    ■[F_1] Input procedure of the Set value of instantaneous output The Set point of the switch output can be set manually. <Operation> Press the button in function selection mode to display [F_1]. (When output mode is assigned to be instantaneous output mode, [F_1] is displayed. When the output mode is set to accumulated output mode, [F_2] is displayed.

  • Page 29: F_2 Input Procedure Of The Set Value Of Accumulated Output

    ■[F_2] Input procedure of the Set value of accumulated output Press the button in measurement mode to select the channel to be set. The Set point of the switch output can be manually set. Accumulated flow rate is displayed by the lower 3 digits and upper 3 digits separately.
  • Page 30 Starting of accumulation Check that the display of accumulated flow rate is selected as the display mode. Press the buttons simultaneously in measurement mode. [-] flashes and accumulation starts. Stop and restart of accumulation are performed the same way. Pressing the button displays the instantaneous flow rate while displaying the accumulated flow.

  • Page 31: F_3 Copy Function

    ■[F_3] Copy function The following set items can be copied to another channel •Connected sensor • Display mode • • Unit selection function (Operate only the product with unit selection function.) Output mode • • Reference condition (Operate only the PF2A2 series.) Switch operation •Set value...

  • Page 32: Other Functions

    Other functions ■Channel scan function The instantaneous flow and accumulate flow value will be displayed in turn for 2 seconds each repeatedly. <Operation> Press the button for 2 seconds or longer in measurement mode. Press the button again for 2 seconds or longer to release the function. ■Peak / Bottom value display This function can be only used when the display mode is set to instantaneous flow rate display.

  • Page 33: Key-Lock Function

    ■Key-lock function This function is used to prevent errors occurring due to unintentional changes of the Set values. <How to lock> 1. Press the button for 4 seconds or longer in measurement mode. The display will change from [F_ ] to [ L]([ d]) to [unL].

  • Page 34: Maintenance

    Maintenance How 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.

  • Page 35: Troubleshooting

    Troubleshooting Troubleshooting If an operation failure of the product occurs, please confirm the cause of the failure from the following table. If the cause of the failure cannot be identified and normal operation can be recovered by replacement with a new product, this indicates that the product itself is faulty.
  • Page 36 Fault Type Troubleshooting Incorrect wiring Correct the wiring. There is no output. Connector loose. Check the connector. Foreign matter inside. Refer to the operation manual of the sensor. The piping is connected in the Connect the product so that the fluid direction is the wrong direction.

  • Page 37: Error Indication

    ■Error indication Error Name Error Display Error Type Troubleshooting Method Excessive Flow has exceeded the upper limit of the Reduce the flow. instantaneous flow display flow range. Turn the power off and remove The switch output load current is more Over current error the cause of the over current.

  • Page 38: Specifications

    Specifications ■Specifications •PF2A20 Model PF2A20 Applicable sensor PF2A510 PF2A550 PF2A511 PF2A521 PF2A551 1 to 10 5 to 50 10 to 100 20 to 200 50 to 500 Rated flow range L/min L/min L/min L/min L/min Setting/display flow 0.5 to 10.5 2.5 to 52.5 5 to 105 10 to 210...
  • Page 39 •PF2W20 Model PF2W20 PF2W504(T) PF2W520(T) PF2W540(T) PF2W511(T) Applicable sensor PF3W504 PF3W520 PF3W540 PF3W511 0.5 to 4.0 2 to 16 5 to 40 10 to 100 Rated flow range L/min L/min L/min L/min Setting/display flow 0.35 to 4.50 1.7 to 17.0 3.5 to 45.0 7 to 110 ∗...
  • Page 40 •PF2D20 Model PF2D20 Applicable sensor PF2D504 PF2D520 PF2D540 0.4 to 4.0 1.8 to 20.0 4 to 20 Rated flow range L/min L/min L/min Setting/display flow 0.25 to 4.50 1.3 to 21.0 2.5 to 45.0 ∗ 1 range L/min L/min L/min 0.05 Min.
  • Page 41 •Common Specifications Model PF2 20 Display part Displayed digit: 4 digits 7 segments, Colour: Orange Channel display Displayed digit: 1 digit 7 segments, Colour: Red Indicator light (output) When ON, Red light is ON Supply voltage 24 VDC±10% Power consumption (no load) 55 mA or less Enclosure Front part: IP65 (at panel mounting), Other: IP40...

  • Page 42: Dimensions

    ■Dimensions (in mm) PF2 20 PF2 20 + panel mount adapter (ZS-26-B) + front protective cover (ZS-26-01) PF2 20 + panel mount adapter (ZS-26-B) + front protective cover (ZS-26-01) + □ 48 mm conversion adapter (ZS-26-D) -41- No.PF##-OMH0003-B...
  • Page 43 Cut-out dimensions for panel mounting ∗: Suitable for panel thickness of 0.5 to 8 mm. (When the waterproof seal is used, Suitable for panel thickness of 0.5 to 6 mm.) Power and output cable (ZS-26-A) Sensor connector •ZS-28-C •ZS-28-CA- -42- No.PF##-OMH0003-B...
  • Page 44 B: Content is changed due to the change of the format. Note: Specifications are subject to change without prior notice and any obligation on the part of the manufacturer. © 2011 SMC Corporation All Rights Reserved No.PF##-OMH0003-B...

This manual is also suitable for:

Pf2w20 seriesPf2d20 series

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