SMC Networks LFE0 Series User manual

Doc.No.LFE****-OMZ0013
Product Name
Flow Monitor
Model/ Series/ Product Number
LFE0###
SMC Corporation

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No.LFE****-OMZ0013
Contents
Safety Instructions 2
Model Indication and How to Order 9
Summary of Product Parts 10
Definition and Terminology 11
Mounting and Installation 13
Installation 13
Wiring 14
Setting the Detected Flow Rate 17
Function Setting 19
Default Setting 19
F 0 Selection of sensor 21
F 1 Setting of OUT1 22
F 2 Setting of OUT2 30
F 3 Response Time 36
F10 Sub screen display 37
F20 External input 41
F22 Analogue Output in free range 42
F30 Accumulated flow value hold 44
F80 Power saving mode 45
F81 Security Code Request 46
F82 Input of line names 47
F90 Setting of all functions 48
F96 Input value check 49
F97 Selection of copy function 50
F98 Output check 53
F99 Reset to the default settings 54
Other Settings 55
Maintenance and Inspection 58
Troubleshooting 59
Specifications 62
Analogue Output 64
Dimensions 65

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No.LFE****-OMZ0013
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.LFE****-OMZ0013
Safety Instructions
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.
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.
Measurement instruments that SMC manufactures or sells have not been qualified by type approval tests
relevant to the metrology (measurement) laws of each country.
Therefore, SMC products cannot be used for business or certification ordained by the metrology
(measurement) laws of each country.

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No.LFE****-OMZ0013
■Explanation of Symbols
Symbol
Definition
Things you must not do.
Actual instructions are provided as a drawing or sentence close to this mark.
Things you must do
Actual instructions are provided as a drawing or sentence close to this mark.
■Operator
(1) 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.
(2) Read and understand this Operation Manual carefully before assembling, operating or providing
maintenance to the product.
■Safety Instructions
Warning
Disassembly
prohibited
Do not disassemble, modify (including the replacement of board) or repair.
Otherwise, an injury or failure can result.
Do not
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.
Please check the specifications before use.
Do not
Do not use in an atmosphere containing flammable or explosive gases.
Fire or an explosion can result.
The product is not designed to be explosion proof.
Do not
Do not use the product for flammable or highly permeable fluids.
Fire, explosion, breakage or corrosion can result.
Do not
Do not use the product in a place where static electricity is a problem.
Otherwise failure or malfunction of the system can result.
Instruction
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.
Instruction
The following instructions must be followed during maintenance:
- Turn off the power supply
- Stop supplying fluid before maintenance.
It may cause an injury.

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No.LFE****-OMZ0013
Caution
Do not touch
Do not touch the terminals and connectors while the power is on.
Otherwise electric shock, malfunction or damage to the switch can result.
Do not touch
Do not touch the piping joint or piping when hot fluid is used.
It may lead to burn.
Check that the piping is cooled down before touching it.
Instruction
■After maintenance is complete, perform appropriate functional inspections and 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 itself may be damaged.
Cut off the power supply and stop the fluid supply.
Do not apply fluid if the system is leaking.
Safety cannot be assured in the case of unexpected malfunction.
■ Handling Precautions
- Follow the instructions given below for selecting and handling.
● The instructions on design and selection (installation, wiring, environment, adjustment, operation,
maintenance, etc.) described below must be followed.
*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.
Check the operating voltage of the load before use.
- Do not exceed the specified maximum allowable load.
This may 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.
(Write limit:1000000 cycles,Dataduration: 20 yearsafterpoweroff.)
- Reserve a space for maintenance.
When designing an application, allow sufficient clearance for maintenance and inspection.

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No.LFE****-OMZ0013
● Product handling
* Installation
- Tighten to the specified tightening torque.
If the tightening torque is exceeded, the mounting screws, brackets and product may be damaged. Insufficient
torque can cause displacement of the product from its proper position and the looseness of the mounting screws.
- If a commercially available switching power supply is used, be sure to ground the frame ground (FG)
terminal.
- Do not use where the product is subjected to vibration or impact.
Otherwise damage to the internal components may result, causing malfunction.
- Never mount the product in a place that will be used as a scaffold during piping.
The product may be damaged if excessive force is applied by stepping or climbing onto it.
* Wiring (Including connecting/disconnecting of the connectors)
- Do not pull the lead wire forcefully, or lift the product by the lead wire (Tensile strength 49 N or less).
Hold the product body when handling.
The lead wire will be damaged, leading to failure and malfunction.
Damage to the connector, cover or internal components may result, causing failure or malfunction.
- Avoid repeatedly bending, stretching or applying a heavy object or force 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 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 insulation material, whichever is larger.
Replace the damaged lead wire with a new one.
- Wire correctly.
Incorrect wiring can cause malfunction or damage 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 from
entering the product.
- Confirm proper 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.
- Design the system to prevent reverse current when the product is performing an operational check.
Depending on the circuit used, which can cause malfunction and damage to the product.
- Keep wiring as short as possible to prevent interference from electromagnetic noise and surge voltage.
Do not use a cable longer than 10 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 the product.

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No.LFE****-OMZ0013
Operating environment
- Do not use the product in an environment where the product is constantly exposed to water splashes.
Otherwise failure or malfunction can result. Take measures such as using a cover.
- Do not use in an environment where the product could be exposed to corrosive gas or liquids.
Otherwise damage to the internal parts can result, causing 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 oily 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 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 elements. Take
measures against the surge sources, and prevent the lines from coming into close contact.
- Do not use a load which generates surge voltage.
When a surge-generating load such as a relay or solenoid is directly driven, use the product with a surge
absorbing element built-in.
- The product is CE marked, but 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.
Failure or malfunction may result.
- Do not use the product in the presence of a magnetic field.
Malfunction can result.
- Do not let foreign matter, such as wire debris, get inside the product.
Failure or malfunction may result.
- Do not use the product in an environment that is exposed to temperature cycle.
Heat 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, protect the product from the sunlight.
Failure or malfunction may result.
- Keep within the specified operating temperature range.
The operating temperature range is 0 to 50°C.
Avoid abrupt temperature changes even within the specified temperature range.
Failure or malfunction may result.
- Do not use close to a heat source, or in a location exposed to radiant heat.
The heat may cause operation failure.

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No.LFE****-OMZ0013
* Adjustment and Operation
- Check the load status before turning the power supply on.
- Do not short-circuit the load.
Although error is displayed when the product load has a short circuit, generated over current may lead to the
damage of 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 product doesn’t produce and output signal for 3 seconds after the power is supplied.
- Perform settings suitable for the operating conditions.
Incorrect setting can cause operation failure.
- Before the initial setting and flow setting, be sure to check for the influence on the other components.
Stop the control system for setting, if necessary.
- Do not touch the LCD during operation.
The display can vary due to static electricity.
* Maintenance
- Confirm safety by turning off the power supply and stopping the flow before performing maintenance.
There is a risk of unexpected malfunction.
- Perform regular maintenance and inspections.
There is a risk of unexpected failure of components due to the malfunction of equipment and machinery.
- 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 cloth soaked with diluted neutral detergent and fully squeezed, then wipe up the stains
again with a dry cloth.

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No.LFE****-OMZ0013
Model Indication and How to Order
*: When using the remote type, select LFE□J□□□(Z) with an analogue output of 1 to 5V.
Does not support the close proximity setting / zero-reset functions.
Accessories/ Part numbers
If an accessory is required, order using the following part number.
Accessories
Part No.
Note
Panel mount adapter
ZS-26-B
Waterproof seal with screw
Front protective cover
Panel mount adapter
ZS-26-C
Waterproof seal with screw
Protective cover only
ZS-26-01
Please order panel mount adapters etc. separately
Power supply/output lead wire
ZS-40-W
Lead wire length: 2 m
Sensor connector (e-con)
ZS-28-C-5
1 pcs
Copy lead wire
ZS-40-Y
Connect up to 10 copy destination units
Remote type monitor
Option1(Panel type)
Option2(Connector)
Display unit
Symbol
Instantaneous
flow
Accumulated
flow
M
L/min
L
G
gal/min
gal
*G: Made to order
Reference:
1[L/min]
0.2642[gal/min]
1[gal/min]
3.785[L/min]
Lead wire
Output Specifications
Symbol
OUT1
OUT2
A
NPN
NPN
B
PNP
PNP
C
NPN
Analogue 1 to 5V
D
NPN
Analogue 4 to 20mA
LFE0□□ □□□

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No.LFE****-OMZ0013
Summary of Product Parts
Front
Description
Function
Main screen (2 color display)
Displays the flow value, setting mode and error codes.
Output display (Indicator light)
Displays the output status of OUT1 and OUT2. LED is ON (Orange) when
OUT1 is ON.
Sub screen
Displays the accumulated flow, set value, peak/bottom value and more.
Units indication
Indicates the unit currently selected.
UP/DOWN button
Selects the mode and the display shown on the Sub display, or increases
/decreases the ON/OFF set value.
SET button
Press this button to change the mode and to set a value.
Back
Units indication

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No.LFE****-OMZ0013
■Definition and Terminology
Term
Meaning
A
Accumulated flow
The total amount of fluid that has passed through the device. If an instantaneous flow of
10 L/min lasts for 5 minutes, the accumulated flow will be 10 x 5=50 L.
Accumulated pulse
output
A type of output where a pulse is generated every time a predefined accumulated flow
passes.It is possible to calculate the total accumulated flow by counting the pulses.
Accumulated value
hold
A function to store the cumulative flow value in the product’s internal memory at certain
time intervals.
The time interval for memory data storage is selectable from 2 or 5 minutes.
Analogue output
Outputs a value proportional to the flow rate. When the analogue output is in the range 1
to 5V, it will vary between 1 to 5V according to the rate of flow.
The same for analogue output of 4 to -20 mA.
C
Chattering
A phenomenon of the switch output turning ON and OFF repeatedly around the set value
at high frequency due to the effect of pulsation.
Copy function
A function to copy flow rate setting values and function settings.
D
Display flow range
The range of flow rates that can be displayed to satisfy the specifications.
F
F.S. (full span /
full scale)
This means "full span" or "full scale", and indicates maximum variation width at rated
value. For example, when analogue output is 1 to 5 V, F.S.=5[V] –1[V]=4[V].
(Reference: 1%F.S. = 4[V] × 1% = 0.04[V])
H
Hysteresis
The difference between ON and OFF points used to prevent chattering.
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 by the amount of hysteresis or
more.
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
Voltage reduction across an internal device when the switch output is in the ON
condition.
K
Key-lock function
Function that prevents changes to the settings of the product (disables button operation).
M
Minimum setting unit
The resolution of set and display values.
If the minimum setting unit is 1 L/min, the display will change in 1 L/min steps, e.g.
10…..11…..12 L/min.
O
Operating fluid
temperature
Range of fluid temperature that can be used by the product.
Operating
temperature range
Ambient temperature range in which the product can operate.

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No.LFE****-OMZ0013
Term
Meaning
P
Power saving mode
Number display is turned off to reduce power consumption.
R
Repeatability
Reproducibility of the display or analogue output value, when the measured quantity is
repeatedly increased and decreased.
Response time
The delay time until the set value reaches 63% in relation to the step input.
S
Set point 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.
In the ON condition any connected load will be powered.
In the OFF condition, there will be no power supplied to the load.
An output showing such behavior is called switch output.
T
Temperature
characteristics
Indicates the change in the display value and analogue output caused by ambient
temperature or fluid temperature changes.
W
Water hammer
Water hammer or impact pressure is a pressure surge due to pressure spread when a
fluid in motion is forced to stop or change direction when equipment such as valve, is
opened/closed.
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.LFE****-OMZ0013
Mounting and Installation
■Installation
Mounting by panel mount adapter
Fix the panel mount adapter to the controller by the mounting screws M3 x 8L (2 pcs.).
Panel mount adapter (Part number: ZS-26-B)
Front protective cover (Part number: ZS-26-01)
*1: The panel mount adapter can be rotated through 90 degrees for mounting.
*2: The panel mount adapter should be fixed firmly with screws. Otherwise, fluids such as water may enter
After the product makes contact with the panel, the screws should be further tightened 1/4 to 1/2 turn.
Cut-out dimensions for panel mounting
*: See page 66 for panel cut-out dimensions.
How to remove the panel mount adapter
The product with panel mount adapter can be removed from the panel after removing the two screws, and by
disconnecting the hooks on both sides.
This can be done by inserting a suitable piece of thin card (as shown in the figure).
Pull the panel mount adapter to the front, and remove the flow monitor.
If the panel mount adapter is pulled forward with the hook caught, the product and the adapter may be
damaged.

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No.LFE****-OMZ0013
■ Wiring
Connecting and disconnecting of the sensor connector and power supply/output connector
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.
Sensor connector
1
DC (＋): Brown
2
N.C.: Unused
Do not connect to Black.
3
DC (－): Blue
4
INPUT：White
(flow sensor 1 to 5 V)
Power supply / output connector
COPY: Grey
OUT2: White
OUT1: Black
DC (－): Blue
DC (＋): Brown

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No.LFE****-OMZ0013
Wiring of connector
Attaching/detaching of the connector should be done while the power supply is turned off.
Power lines and high-voltage lines can cause noise. Keep the wiring away from them.
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.
If you have problems with the switch-mode power supply, consider using a noise filter.
Connection of the sensor lead wire and connector
•Strip the sensor lead wire as shown in the figure on the right.
(Refer to the following table for the connector and applicable wire size.)
Applicable wire
SMC product No. (1 pcs.)
Colour of cover
Insulator outside diameter
ZS-28-C-5 (Included in the product)
Grey
ø 1.6～ø 2.0
•Do not cut the insulator.
•The core of the corresponding colour shown in the table below is put into the pin of the number stamped
on the connector for sensor connection to the back.
Number stamped on
connector
Lead wire core
colour *
1
Brown
2
Not used
3
Blue
4
White
*: When using the lead wire with M12 connector included with the LFE series.
•It checks that the above-mentioned preparation work has been performed correctly, and "A" part shown in
the left figure is pushed by hand and makes temporary connection.
•"A" part’s center is straightly pushed in by tools, such as pliers.
•The connector for sensor cannot be reused once crimped.
•For the connection failure such as incorrect order of wire and incomplete insertion, please use the new
connector for sensor connection.
•When the sensor is not connected correctly, "LLL" can be displayed.

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No.LFE****-OMZ0013
Internal Circuit and Wiring examples
NPN 2 output type
LFE0A
PNP 2 output type
LFE0B
Max.28 V, 80 mA
Internal voltage drop 1 V max.
Max.80 mA
Internal voltage drop 1.5 V max.
NPN + Analogue voltage output type
LFE0C
NPN + Analogue current output type
LFE0D
Max.28 V, 80 mA
Internal voltage drop 1 V max.
Analogue output 1 to 5 V
Output impedance 1kΩ
Max.28 V, 80 mA
Internal voltage drop 1 V max.
Analogue output 4 to 20mA
Load impedance 50 to 600 Ω
Precautions before use of the accumulated pulse output
1) The minimum pulse width is set to 50 ms when the accumulated pulse output has been selected.
2) When accumulated pulse output is selected, the indicator light will be turned OFF.
or

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No.LFE****-OMZ0013
Setting the Detected Flow Rate
Measurement mode
Measurement mode is the condition where the flow is detected and displayed, and the switch function is
operating.
This basic mode is the beginning from which you can proceed with changing the setting or setting other
functions.
Be sure to select the correct sensor to be connected. (Page 21)
Detected flow rate and switch operation (hysteresis mode)
Set ON and OFF points of the switch output.
When the flow exceeds the set value (P_1), the switch will be turned on.
When the flow falls below the set value (P_1) by the amount of hysteresis (H_1) or more, the switch will be
turned off.
Flow rate [L/min]
Time [sec.]
Switch ON
Switch OFF
Set value
P_1
Hysteresis H_1

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No.LFE****-OMZ0013
<Simple setting>
(1) Press the button once in measurement mode.
[P_1] or [n_1] and the set value are displayed alternately.
(2) Press the or button to change the set value (P_1/n_1).
The button is to increase and the button is to decrease the set value.
- Press the button once to increase the value by one digit, press and hold to continuously increase.
- Press the button once to reduce the value by one digit, press and hold to continuously reduce.
(3) Press the button to completed the setting.
The Flow switch turns on within a set flow range (from P1L to P1H) during window comparator mode.
Set P1L, the lower limit of the switch operation, and P1H, the upper limit of the switch operation, following
the instructions given above. (When reversed output is selected, the main screen displays [n1L] and
[n1H].)
When 2 output specification(LFE0A/LFE0B) is used, [P_2] or [n_2] is displayed. Continue with setting the
parameter.
(When reversed output is selected, the main screen displays [n_2]).
*: If a button operation is not performed for 30 seconds during the change of setting, the set value will
start flashing.
Displayed in turn
Normal output
Reversed output

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No.LFE****-OMZ0013
Function Setting
Function selection mode
In measurement mode, press the button for 2 seconds or longer to display [F 0] on the main screen.
In this mode, you can change the function settings. Display the function number [F□□].
Press and hold the button for 2 seconds or longer in the function selection mode to return to measurement
mode.
*: The sub screen
displays the
content of the
function and
the function
setting in turn.
The function number is
increased and decreased
by the and
button.
Display the required
function number and
press the button.
■Default Setting
The default settings are as follows.
If these settings are acceptable, retain for use.
To change a setting, enter function selection mode (Refer to the table below).
■[F 0] Selection of sensor See page 21
Item
Description
Default setting
Range selection of
the sensor to be
connected
The flow rate range of the sensor to be connected is set.
Rated flow rate
20 L/min type
■[F 1] Setting of OUT1 Page 22
Item
Description
Default setting
Output mode
Selects the switch output type from: Instantaneous flow (either
hysteresis or window comparator mode), accumulated flow,
accumulated pulse.
Hysteresis mode
Reverse output
Selects which type of switch output is to be used, normal or
reversed.
Normal output
Set value
Sets the ON and OFF point of the switch output
50% of rated flow
Hysteresis
Appropriate setting of the hysteresis prevents the switch
output from chattering.
5% of rated flow
Display color
Select the color of the main screen.
Output ON: Green
Output OFF: Red
■[F 2] Setting of OUT2 Page 30
Item
Description
Default setting
Output mode
Selects the switch output type from: Instantaneous flow (either
hysteresis or window comparator mode), accumulated flow,
accumulated pulse.
Hysteresis mode
Reverse output
Selects which type of switch output is to be used, normal or
reversed.
Normal output
Set value
Sets the ON and OFF point of the switch output
50% of rated flow
Hysteresis
Setting of hysteresis can prevent chattering.
5% of rated flow
*: Display color is linked to the setting of OUT1, and can not be selected.