SMC Networks PFCA7 Series User manual

No.PF※※-OMA1002

PRODUCT NAME

Flow Controller for Air

MODEL / Series / Product Number

PFCA7##

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 No.PF※※-OMA1002 
 Contents 
 Safety Instructions 3
Model Indication and How to Order 11 
Names and Functions of Product Parts 13 
Definition and Terminology 16 
Mounting and Installation 18 
Installation 18 
Piping 18 
Wiring Method 19 
Outline of Settings [Measurement Mode] 21 
[Function Selection Mode] to Change Settings 22 
Factory default setting 23 
F0 System: System settings 24 
F1 Switch1: OUT1 settings 28 
F10 Measure: Measurement settings 32 
F22 Analog out: Analogue output settings 33 
F30 Accumulate: Accumulated flow (rate) settings 35 
F80 Display: Display settings 37 
F81 PIN code: PIN code settings 41 
F91 Device info: Checking device information 42 
F96 Input check: Checking input signal 43 
F98 Output check: Checking output signal 44 
F99 Reset setting: Resetting to factory default settings 47 
[Control Selection Setting Mode] to Change the Flow Rate Control Command Method 48 
[Key-Lock Setting Mode] to Limit Button Operations 51 
Other Settings 53 
Maintenance 54 
IO-Link Specifications 54 
IO-Link function overview 54 
Communication specifications 54 
Process data 55 
IO-Link parameter settings 59 
Troubleshooting 66 
Warning/Error display 70 
Specifications 74 
Characteristics data 77 
Dimensions 79 
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No.PF※※-OMA1002

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 Standards (ISO/IEC)*1), and other

safety regulations.

1) ISO 4414: Pneumatic fluid power - General rules and safety requirements for systems and their components

ISO 4413: Hydraulic fluid power - General rules and safety requirements for systems and their components

IEC 60204-1: Safety of machinery - Electrical equipment of machines - Part 1: General requirements

ISO 10218-1: Robots and robotic devices - Safety requirements for industrial robots - Part 1:Robots

etc.

Danger

Danger indicates a hazard with a high level of risk which, if not avoided, will result

in death or serious injury.

Warning

Warning indicates a hazard with a medium level of risk which, if not avoided, could

result in death or serious injury.

Caution

Caution indicates a hazard with a low level of risk which, if not avoided, could result

in minor or moderate injury.

Warning

1. The compatibility of the product is the responsibility of the person who designs the equipment or

decides its specifications.

Since the product specified here is used under various operating conditions, its compatibility with specific

equipment must be decided by the person who designs the equipment or decides its specifications based on

necessary analysis and test results. The expected performance and safety assurance of the equipment will be

the responsibility of the person who has determined its compatibility with the product. This person should also

continuously review all specifications of the product referring to its latest catalog information, with a view to

giving due consideration to any possibility of equipment failure when configuring the equipment.

2. Only personnel with appropriate training should operate machinery and equipment.

The product specified here may become unsafe if handled incorrectly. The assembly, operation and

maintenance of machines or equipment including our products must be performed by an operator who is

appropriately trained and experienced.

3. Do not service or attempt to remove product and machinery/equipment until safety is confirmed.

1. The inspection and maintenance of machinery/equipment should only be performed after measures to

prevent falling or runaway of the driven objects have been confirmed.

2. When the product is to be removed, confirm that the safety measures as mentioned above are implemented

and the power from any appropriate source is cut, and read and understand the specific product precautions

of all relevant products carefully.

3. Before machinery/equipment is restarted, take measures to prevent unexpected operation and malfunction.

4. Our products cannot be used beyond their specifications. Our products are not developed,

designed, and manufactured to be used under the following conditions or environments. Use

under such conditions or environments is not covered.

1. Conditions and environments outside of the given specifications, or use outdoors or in a place exposed to

direct sunlight.

2. Use for nuclear power, railways, aviation, space equipment, ships, vehicles, military application, equipment

affecting human life, body, and property, fuel equipment, entertainment equipment, emergency shut-off

circuits, press clutches, brake circuits, safety equipment, etc., and use for applications that do not conform

to standard specifications such as catalogs and operation manuals.

3. Use for interlock circuits, except for use with double interlock such as installing a mechanical protection

function in case of failure. Please periodically inspect the product to confirm that the product is operating

properly.

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No.PF※※-OMA1002

Safety Instructions

Caution

We develop, design, and manufacture our products to be used for automatic control equipment, and

provide them for peaceful use in manufacturing business.

Use in non-manufacturing business is not covered.

Products we manufacture and sell cannot be used for the purpose of transactions or certification specified in the

Measurement Act.

The new Measurement Act prohibits use of any unit other than SI units in Japan.

Limited warranty and Disclaimer/Compliance Requirements

The product used is subject to the following “Limited warranty and Disclaimer” and “Compliance

Requirements”.

Read and accept them before using the product.

Limited warranty and Disclaimer

1. The warranty period of the product is 1 year in service or 1.5 years after the product is delivered, whichever is

first.∗2)

Also, the product may have specified durability, running distance or replacement parts. Please consult your

nearest sales branch.

2. For any failure or damage reported within the warranty period which is clearly our responsibility, a replacement

product or necessary parts will be provided.

This limited warranty applies only to our product independently, and not to any other damage incurred due to

the failure of the product.

3. Prior to using SMC products, please read and understand the warranty terms and disclaimers noted in the

specified catalog for the particular products.

*2) Vacuum pads are excluded from this 1 year warranty.

A vacuum pad is a consumable part, so it is warranted for a year after it is delivered.

Also, even within the warranty period, the wear of a product due to the use of the vacuum pad or failure due to

the deterioration of rubber material are not covered by the limited warranty

Compliance Requirements

1. The use of SMC products with production equipment for the manufacture of weapons of mass destruction

(WMD) or any other weapon is strictly prohibited.

2. The exports of SMC products or technology from one country to another are governed by the relevant security

laws and regulations of the countries involved in the transaction. Prior to the shipment of a SMC product to

another country, assure that all local rules governing that export are known and followed.

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■About operators

(1) This Operation Manual is intended for those who have knowledge and experience of machinery

using pneumatic equipment, and have sufficient knowledge and experience of assembly, operation

and maintenance of such equipment.

Only those persons are allowed to perform assembly, operation and maintenance.

(2) Read and understand this Operation Manual carefully before assembling, operating or providing

maintenance to the product.

■Safety Instructions

Warning

■Do not disassemble, modify (including replacing the circuit board) or repair.

Otherwise, an injury or failure can result.

■Do not use the product outside of the specifications.

Do not use the product with flammable or harmful gases or fluids.

Fire, malfunction, or damage to the product may result.

Check the specifications before use.

■Do not use in an environment where flammable, explosive or corrosive gases are present.

Fire or an explosion may result.

The product is not designed to be explosion proof.

■Do not use the product with flammable fluid.

Fire or an explosion may result.

■Do not use the product in a place where static electricity is a problem.

Otherwise failure or malfunction of the system can result.

■If using the product in an interlocking circuit:

•Provide a double interlocking system, for example a mechanical system.

•Check the product for proper operation.

Otherwise malfunction can result, causing an accident.

■The following instructions must be followed during maintenance:

•Turn off the power supply.

•Stop the air supply, exhaust the residual pressure in the piping and verify that the air is released before performing

maintenance work.

Otherwise an injury can result.

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Caution

■Do not touch the terminals and connectors while the power is on.

Otherwise electric shock, malfunction and damage to the product can result.

■After maintenance is complete, perform appropriate functional inspections and a leak test.

Stop operation if the equipment does not function properly or there is leakage of fluid.

When leakage occurs from parts other than the piping, the product might be faulty.

Cut off the power supply and stop the fluid supply.

Do not apply fluid if the system is leaking.

Otherwise, an unexpected malfunction may occur and safety cannot be assured.

■Precautions for Handling

○Follow the instructions given below for the selection and handling of the product.

●The instructions on selection (installation, wiring, environment, adjustment, operation, maintenance, etc.)

described below must be followed.

Product specifications

•This product is not suitable for applications to shut off the flow rate completely.

If it is necessary to shut off the flow rate completely, install a stop valve, etc. separately.

•Use within the specified voltage.

Otherwise failure or malfunction can result.

•For details of the compressed air quality, refer to JIS B 8392-1 1.6.2.

•Use within the specified flow rate and pressure range.

•Reserve a space for maintenance.

Design the system to allow the required space for maintenance.

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No.PF※※-OMA1002

●Product Handling

Mounting

•If a commercially available switching power supply is used, be sure to ground the frame ground (FG)

terminal.

•Do not drop, hit or apply excessive shock to the product.

Otherwise damage to the internal components may result, causing malfunction.

•Do not pull the lead wire forcefully, or lift the product by the lead wire.

The product will be damaged, leading to failure and malfunction.

•The product should be flushed out by air blow to remove any dust left in the piping before connecting the

piping to the product.

Otherwise it can cause damage or malfunction.

•Refer to the flow direction of the fluid indicated on the product label during installation and piping.

•Do not mount the product with the display facing downward.

•Do not insert metal wires or other foreign matter into the piping ports.

This can damage the sensor causing failure or malfunction.

•Never mount the product in a place that will be used as a foothold during piping.

The product may be damaged if excessive force is applied by stepping or climbing onto it.

•If there is a risk of foreign matter entering the fluid, install a filter or mist separator on the IN side (entry

side) to avoid failure and malfunction.

Otherwise it can cause damage or malfunction. The product will be unable to measure accurately or control the flow

rate.

Refer to the figure below for the recommended pneumatic circuit.

•If the fluid flow on the IN side (entry side) of the product is unstable, correct measurement and flow rate

control will not be possible.

If a valve is used on the IN side (entry side) of the product, the flow may be disturbed due to the change of the

effective area.

•Do not install a restrictor immediately on the product OUT side (outlet).

Otherwise, the flow control action may be unstable.

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Wiring (Including connecting/disconnecting of the connectors)

•Do not pull hard on the lead wire.

Especially never lift the product equipped with fitting and piping by holding the lead wires.

Otherwise damage to the internal components may result, causing malfunction or connectors dropping off.

•Avoid repeatedly bending, stretching or applying a heavy object to the lead wire.

Repetitive bending stress or tensile stress can cause the sheath of the wire to peel off, or breakage of the wire.

If the lead wire can move, fix it near the product.

The recommended bend radius of the lead wire is 6 times the outside diameter of the sheath, or 33 times the

outside diameter of the insulation material, whichever is larger.

Replace the damaged lead wire with a new one.

•Wire correctly.

Incorrect wiring may cause malfunction or damage to the product.

•Do not perform wiring while the power is on.

Otherwise damage to the internal components may result, causing malfunction.

•Do not route wires and cables together with power or high voltage cables.

Route the wires of the product separately from power or high voltage cables to prevent noise and surge of signal

lines from entering the product.

•Confirm correct insulation of wiring.

Poor insulation (interference with other circuits, poor insulation between terminals, etc.) can apply excessive voltage

or current to the product causing damage.

•Keep wiring as short as possible to prevent interference from noise and surge voltage.

Wire the DC(

) line(blue) as close as possible to the 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 the product.

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Operating environment

•Do not use in an atmosphere containing corrosive gases, chemicals, sea water, water, water steam, or

where there is direct contact with any of these.

These may cause failure or malfunction.

•Do not use the product in a place where the product could be splashed by oil or chemicals.

If the product is to be used in an environment containing oils or chemicals such as coolant or cleaning solvent, even

for a short time, it may be adversely affected (damage, malfunction, or hardening of the lead wires).

•Do not use in an area where electrical surges are generated.

When there are machines or equipment that generate large surges near the product (magnetic type lifter, high

frequency inductive furnace, motor, etc.), this can result in deterioration and damage of the internal circuit elements.

Take protective measures to isolate the surge sources and prevent the lines from coming into close contact.

•Do not use a load which generates a surge voltage.

When a surge voltage-generating load such as a relay or solenoid valve is directly driven, use the product with a

surge absorbing element built-in.

•The product is CE/UKCA marked but is not immune to lightning strikes. Take measures against lightning

strikes in the system.

•Mount the product in a location that is not affected by vibration or impact.

Otherwise, a failure or malfunction may be caused.

•Do not use the product in the presence of a magnetic field.

Otherwise, a malfunction of the product may be caused.

•Do not let foreign matter, such as wire debris, get inside the product.

Otherwise, a failure or malfunction may be caused.

•Do not use the product in an environment that is exposed to temperature cycles.

Temperature cycles other than ordinary changes in temperature can adversely affect the internal components of the

product.

•Do not expose the product to direct sunlight.

If using in a location directly exposed to sunlight, shade the product from the sunlight.

Otherwise, a malfunction may be caused.

•Keep within the specified temperature range.

Operation under low temperature may lead to damage or operation failure due to frozen moisture in the air.

Protection against freezing is necessary.

The installation of an air dryer is recommended for elimination of drainage and water.

Avoid abrupt temperature changes even within the specified temperature range.

•Do not operate close to a heat source, or in a location exposed to radiant heat.

Otherwise malfunction can result.

•Do not install the products close to each other or do not close the vent hole when installing the product.

Otherwise, the temperature of the product may rise, resulting in a failure or malfunction.

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Adjustment and operation

•Connect the load before turning the power supply on.

•Do not short-circuit the load.

•Confirm that the fluid is flowing in the pipe when controlling the flow rate.

If there is no supply pressure, a current beyond the product specifications may flow in the event of an error in control

action.

•If the controlled flow rate does not continuously reach the commanded flow rate for at least 5 seconds, it

will result in a control error and the flow control will stop.

•Do not touch the LCD during operation.

The display can vary due to static electricity.

•When the product is not energized, the valve is fully closed (normally closed (N.C.)).

•Do not supply a pressure that is higher than that in the IN side to the OUT side.

Otherwise, the control valve will open, causing the fluid to flow backward.

Maintenance

•Perform regular maintenance and inspections.

There is a risk of unexpected failure of components due to the malfunction of equipment and machinery.

•Before performing maintenance, turn off the power supply, stop the air supply, exhaust the residual

compressed air in the piping, and verify the release of air.

Otherwise, unintended malfunction of system components can result.

•Remove the condensate periodically.

If condensate enters the OUT side, it can cause operating failure of pneumatic equipment.

•Do not use solvents such as benzene, thinner, etc. to clean the product.

This may damage the surface of the body or erase the markings on the body.

Use a soft cloth to remove stains.

For heavy stains, use a damp cloth soaked with diluted neutral detergent and fully squeezed, then wipe up the

stains again with a dry cloth.

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