SMC Networks PFMV301 User manual

No.PF※※-OMN0005-E
PRODUCT NAME
Voltage Monitor for PFMV5
MODEL / Series / Product Number
PFMV3##

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No.PF※※-OMN0005-E
Table of Contents
Safety Instructions 2
Model Indication and How to Order 9
Summary of Product parts 12
Definition and terminology 13
Mounting and Installation 15
Installation 15
Wiring 17
Flow Setting 21
Function Setting 23
Default settings 23
F0 Auto-preset 24
F1 Setting of OUT1 26
F2 Setting of OUT2 29
F3 Response time 30
F4 External input 31
F5 Power saving mode 36
F6 Security code 37
F95 Selection of flow indication 38
F99 Reset to the default setting 40
Other Setting 41
Maintenance 45
Troubleshooting 46
Error Indication 49
Specifications 50
Specifications 50
Characteristics data 52
Dimensions 54

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No.PF※※-OMN0005-E
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 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: Manipulating industrial robots -Safety.
etc.
Caution
Caution indicates a hazard with a low level of risk which, if not avoided, could
result in minor or moderate injury.
Warning
Warning indicates a hazard with a medium level of risk which, if not avoided,
could result in death or serious injury.
Danger
Danger indicates a hazard with a high level of risk which, if not avoided, will
result in death or serious 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. Contact SMC beforehand and take special consideration of safety measures if the
product is to be used in any of the following conditions.
1. Conditions and environments outside of the given specifications, or use outdoors or in a place
exposed to direct sunlight.
2. Installation on equipment in conjunction with atomic energy, railways, air navigation, space, shipping,
vehicles, military, medical treatment, combustion and recreation, or equipment in contact with food and
beverages, emergency stop circuits, clutch and brake circuits in press applications, safety equipment or
other applications unsuitable for the standard specifications described in the product catalog.
3. An application which could have negative effects on people, property, or animals requiring special
safety analysis.
4. Use in an interlock circuit, which requires the provision of double interlock for possible failure by using
a mechanical protective function, and periodical checks to confirm proper operation.

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No.PF※※-OMN0005-E
Safety Instructions
Caution
1.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.
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 regulation 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.
Caution
SMC products are not intended for use as instruments for legal metrology.
Products that SMC manufactures or sells are not measurement instruments that are qualified by pattern
approval tests relating to the measurement laws of each country.
Therefore, SMC products cannot be used for business or certification ordained by the measurement laws of
each country.

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No.PF※※-OMN0005-E
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.
■Safety Instructions
Warning
■Do not disassemble, modify (including changing the printed circuit board) or repair.
An injury or failure can result.
■Do not operate the product outside of the specifications.
Do not use for flammable or harmful fluids.
Fire, malfunction, or damage to the product can result.
Verify the specifications before use.
■Do not operate in an atmosphere containing flammable or explosive gases.
Fire or an explosion can result.
This product is not designed to be explosion proof.
■Do not use the product in a place where static electricity is a problem.
Otherwise it can cause failure or malfunction of the system.
■If using the product in an interlocking circuit:
Provide a double interlocking system, for example a mechanical system
Check the product regularly 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 and verify that the air is released before performing
maintenance
Otherwise an injury can result.

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No.PF※※-OMN0005-E
Caution
■Do not touch the terminals and connectors while the power is on.
Otherwise electric shock, malfunction or damage to the product can result.
■After maintenance is complete, perform appropriate functional inspections and leak tests.
Stop operation if the equipment does not function properly or there is a leakage of fluid.
■NOTE
○Follow the instructions given below when designing, selecting and handling the product.
●The instructions on design and selection (installation, wiring, environment, adjustment, operation,
maintenance, etc.) described below must also be followed.
Product specifications
The direct current power supply used should be UL approved as follows.
Circuit (Class 2) of maximum 30 Vrms (42.4 V peak) or less, with UL1310 Class 2 power supply unit or UL1585
Class 2 transformer.
The product is a UL approved product only if it has a mark on the body.
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.
Verify the operating voltage of the load before use.
Do not exceed the specified maximum allowable load.
Otherwise it can cause damage or shorten the lifetime of the product.
Data stored by the product is not deleted, even if the power supply is cut off.
(Writing time: 1000000 cycles, Data duration: 20 years after power off.)
Reserve a space for maintenance.
Allow sufficient space for maintenance when designing the system.

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No.PF※※-OMN0005-E
●Product handling
Installation
Tighten to the specified tightening torque.
If the tightening torque is exceeded the mounting screws and brackets may damaged.
If the tightening torque is insufficient, the product may be displaced and the mounting screws may come loose
(Refer to page 15 "Mounting and 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.
Do not drop, hit or apply excessive shock to the product.
Otherwise damage to the internal parts can result, causing malfunction.
Do not pull the lead wire forcefully, not lift the product by pulling the lead wire. (Tensile force 49 N or less)
Hold the product body when handling, to prevent damage, 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 stepping or climbing onto it.
Wiring
Do not pull the lead wires.
In particular, never lift a product equipped with fitting and piping by holding the lead wires.
Otherwise damage to the internal parts can result, causing malfunction or disconnection of the connector.
Avoid repeatedly bending or stretching the lead wire, or placing heavy loads on it
Repeated bending stress or tensile stress can cause damage to the sheath, or breakage of the wires.
If the lead wire can move, fix it near the body of 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 wire insulation material, whichever is larger.
Replace any damaged lead wire with a new one.
Wire correctly.
Incorrect wiring can damage the product.
Do not perform wiring while the power is on.
Otherwise damage to the internal parts can result, causing malfunction.
Do not route wires and cables together with power or high voltage cables.
Otherwise the product can malfunction due to interference or noise and surge voltage from power and high voltage
cables.
Confirm proper insulation of wiring.
Poor insulation (interference from another circuit, poor insulation between terminals, etc.) can lead to excess
voltage or current being applied to the product, causing damage.
Keep wiring as short as possible to prevent interference from electromagnetic noise and surge voltage.
Do not use a cable longer than 30 m.
Wire the DC (-) line (blue) as close as possible to the power supply.
When analogue output is used, install a noise filter (line noise filter, ferrite element, etc.) between the
switch-mode power supply and this product.

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No.PF※※-OMN0005-E
Environment
Do not use the product in area that is exposed to corrosive gases, chemicals, sea water, water or steam.
Otherwise failure or malfunction can result.
Do not use 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.
If there is equipment generates large electrical surges (solenoid type lifter, high frequency induction furnace, motor,
etc.) close to the product, damage or failure of the internal circuit may occur. Take measures against the surge
sources, and prevent the wires from coming into close contact.
Do not use a load which generates a surge voltage.
When a surge-generating load such as a relay or solenoid is driven directly, use a product with a built-in surge
absorbing element.
The product is CE marked, but not immune to lightning strikes. Take measures against lightning strikes
in the system.
Do not use the product in areas that are exposed to vibration or impact.
Otherwise failure or malfunction can result.
Do not use the product in the presence of a magnetic field.
This may lead to the malfunction of the product.
Prevent foreign matter such as wire debris from entering the product.
Otherwise failure or malfunction can result.
Do not use the product in areas subject to large temperature cycle.
Heating/cooling cycles other than ordinary changes in temperature can adversely affect the internal structure of the
product
Do not expose the product to direct sunlight.
If using in a location directly exposed to sunlight, use a suitable protective cover.
Otherwise failure or malfunction can result.
Keep within the operating temperatures range.
Operating temperature range is 0 to 50 °C.
Operation below the minimum temperature limit may cause damage or operation failure due to frozen moisture in
the fluid or air.
Avoid sudden 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.

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No.PF※※-OMN0005-E
Adjustment and Operation
Connect load before turning on the power.
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.
Do not press the setting buttons with a sharp pointed object.
This may damage the setting buttons.
Supply the power when there is no flow.
The output is off for 3 seconds after power is supplied.
Use settings suitable for the operating conditions.
Incorrect settings can cause operational failure.
(Refer to page 21 " Flow setting ".)
During the initial setting and any subsequent flow rate setting, the product will switch the output
according to the existing settings until the changes are complete.
Confirm the output has no adverse effect on machinery and equipment before setting.
Stop the control system before setting if necessary.
Do not touch the LCD during operation.
The display can vary due to static electricity.
Maintenance
Perform regular maintenance and inspections.
There is a risk of unexpected malfunction of components due to the malfunction of equipment and machinery.
Turn off the power supply, stop the supplied air, exhaust the residual pressure and verify the release of
air before performing maintenance.
There is a risk of unexpected malfunction.
Do not use solvents such as benzene, thinner etc. to clean the product.
They could damage the surface of the body and erase the markings on the body.
Use a soft cloth to remove stains.
For heavy stains, use a cloth lightly dampened with diluted neutral detergent, then wipe up any residue with a dry
cloth.

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No.PF※※-OMN0005-E
Model Indication and How to order

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No.PF※※-OMN0005-E
Option 1
Nil
L
without lead wire
with power and output lead wire and connector
Option 2
Nil
E
without bracket
with bracket
B
D
with panel mount adapter
with panel mount adapter + front protective cover
: Each accessory is not assembled with the product, but shipped together.

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No.PF※※-OMN0005-E
Option 3
Nil
G
without connector for sensor
with sensor connector (1pc)
: Each accessory is not assembled with the product, but shipped together.
Accessories/Part number
If an accessory is required separately, order using the following part numbers.
Part number
Description
Remarks
ZS-28-A
Power and output lead wire and connector
Length: 2 m
ZS-28-B
Bracket
Mounting screw (M3 x 5 L) 2 pcs.
ZS-28-C
Sensor connector
1 pc.
ZS-27-C
Panel mount adapter
Mounting screw (M3 x 8 L) 2 pcs.
ZS-27-D
Panel mount adapter + Front protective cover
Mounting screw (M3 x 8 L) 2 pcs.
ZS-27-01
Front protective cover

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No.PF※※-OMN0005-E
Summary of Product parts
Front
Item
Description
LCD Display
Displays the flow value, setting mode, and error indication.
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).
Indicator LED (OUT1)
Indicates the output status of OUT1. LED is ON (Green) when OUT1 is ON.
Indicator LED (OUT2)
Indicates the output status of OUT2. LED is ON (Red) when OUT2 is ON.
button (UP)
Selects the mode or increases the ON/OFF set value.
Press this button to change to the peak display mode.
button (SET)
Press this button to change to another mode and to set a value.
button (DOWN)
Selects the mode or decreases the ON/OFF set value.
Press this button to change to the bottom display mode.
Back
Item
Description
Power and output lead wire and
connector
Cable to supply power and transmit output signals.
Sensor connector
Connector for sensor lead wire.

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No.PF※※-OMN0005-E
■Definition and terminology
Terminology
Definition
A
Analogue output
A type of variable output that has a value proportional to the
measured quantity. When the analogue output is in the range of 1 to
5 V or 4 to 20 mA, it will vary continuously, following the change of
flow.
Auto-preset
This function calculates and sets an approximate set value
automatically based on the on-going operation.
Auto-shift
A function where the switch output state is determined by the change
in instantaneous flow rate, relative to a reference value set when an
external signal is input.
Auto-shift zero
As the auto-shift function, but in addition the display is also set to
zero when the external signal is input, and so the display shows the
change of instantaneous flow from the reference value.
C
Chattering
The problem of the switch output turning ON and OFF repeatedly
around the set value at high frequency due to the effect of pulsation.
D
Display voltage (flow) range
The range that which can be displayed by the product with a digital
display.
F
F.S. (Full span, Full scale)
Stands for "full span" or "full scale", and indicates varied analogue
output range at rated value. For example, when analogue output is 1
to 5 V, F.S. = 5[V] - 1[V] = 4[V], (ref. 1%F.S. = 4[V]x1% = 0.04[V])
The maximum measuring range or change in analogue output over
the maximum measurement range.
H
Hysteresis
The difference between ON and OFF points used to prevent
chattering. Hysteresis can be effective in avoiding the effects of
pulsation.
Hysteresis mode
Mode where the switch output will turn ON when the flow is greater
than the set value, and will turn off when the flow falls below the set
value –hysteresis value.
I
Instantaneous flow
The flow passing per unit of time. If it is 10 L/min, there is a flow of 10
L passing through the device in 1 minute.
Internal voltage drop
The voltage drop across the product (and therefore not applied to the
load), when the switch output is ON. The voltage drop will vary with
load current, and ideally should be 0 V.
K
Key-lock function
A function that locks the set buttons so that no accidental setting
changes can be made.
M
Minimum. setting unit
The resolution of set and display values.
If the minimum setting unit is 1 L/min, the flow can be displayed in
1 L/min units, i.e. 10, 11, 12.
O
Operating hamidity range
The ambient hamidity range within which the product will meet all
published specifications.
Operating temperature range
The ambient temperature range within which the product will meet all
published specifications.

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No.PF※※-OMN0005-E
Terminology
Definition
P
Power saving mode
The condition in which the digital display turns off and current
consumption is reduced.
R
Rated flow range
The flow range within which the product will meet all published
specifications.
Repeatability
Reproducibility of the display or analogue output value, when the
measured quantity is repeatedly increased and decreased
Response time (Analogue output)
The time from when the flow is applied as a step input (when the flow
rate changes from 0% to 100% instantaneously) until the analogue
output (voltage or current) reaches 90% of the actual flow rate.
Response time (Switch output)
The time from when the flow is applied as a step input (when the flow
rate changes from 0% to 100% instantaneously) until the switch
output turns ON (OFF) at 90% of the rated flow rate.
S
Set voltage (flow) range
The range of ON/OFF threshold values that can be set for those
products with a switch output.
Switch output
Output type that has only 2 conditions, ON or OFF. When in the ON
condition an indicator light will show, and any connected load will be
powered. When in the OFF condition, there will be no indicator light
and no power is supplied to the load.
T
Temperature characteristic
The amount of variation in the analogue output or display value when
ambient temperature is changed.
U
Unit selection function
A function to select display units other than the international unit (SI
unit) specified in the new Japanese measurement law. Flow can only
be displayed using SI units in Japan.
W
Window comparator mode
An operating mode in which the switch output is turned on and off
depending on whether the flow is inside or outside the range of two
set values.

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No.PF※※-OMN0005-E
Mounting and Installation
■Installation
Panel mounting
Fix the panel mount adapter to the monitor with the mounting screws (M3x8 L) supplied.
The monitor can be mounted on a panel with a thickness of 0.5 to 6.0 mm.
Refer to the dimension drawing (page 54) for panel cut-out dimensions.
Note when removing the monitor
The flow monitor with panel mount adapter can be removed from the installation by removing 2 screws and
releasing the hooks at the sides, as illustrated.
Take care not to damage the product and panel mount adapter.

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No.PF※※-OMN0005-E
Bracket mounting
Mount the bracket using the mounting screws (M3 x 5 L) supplied.
The required tightening torque is 0.5 to 0.7 Nm.
Install the product (with bracket) using the M4 screws (2 pcs.).
Bracket thickness is approximately 1.6 mm.
Refer to the dimension drawing of the bracket (page 55) for mounting hole dimensions.

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No.PF※※-OMN0005-E
■Wiring
Wiring of connector
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 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.
Attaching the connector to the sensor wire
Strip the sensor wire as shown.
Do not cut the insulator.
Insert the corresponding wire colour shown in the table into
the pin number printed on the sensor connector, to the
bottom.
Pin no.
Wire colour
Description
1
Brown
DC+
2
NC
NC
3
Blue
DC-
4
Black
IN (1 to 5 V)
Check that the above preparation has been performed correctly, then part A shown should be pressed in
by hand to make temporary connection.
Part A should then be pressed in using a suitable tool, such as pliers.
The sensor connector cannot be re-used once it has been fully crimped.
In cases of connection failure such as incorrect order of wires or incomplete insertion, please use a new
connector.
If the sensor is not connected correctly “LLL” or “HHH” will be displayed.

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No.PF※※-OMN0005-E
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.
Power and output connector pin numbers (on the lead wire)
Wire cable
Description
Brown
DC(+)
Black
OUT1
White
OUT2
Grey
Analogue output/External input
Blue
DC(-)

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No.PF※※-OMN0005-E
Internal circuit and wiring example
PFMV300
NPN (2 outputs) + Analogue (1 to 5 V) output type
Max. 30 V, 80 mA
Internal voltage drop: 1 V or less
Analogue output: 1 to 5 V
Output impedance: approx. 1 kΩ
PFMV301
NPN (2 outputs) + Analogue (4 to 20 mA) output type
Max. 30 V, 80 mA
Internal voltage drop: 1 V or less
Analogue output: 4 to 20 mA
Max. load impedance: 600 Ω(24 VDC)
PFMV302
NPN (2 outputs) + External input type
Max. 30 V, 80 mA
Internal voltage drop: 1 V or less
External input: No voltage input (reed switch or solid state), 5 ms or more