Thank you very much for purchasing our Digital Indicator F372A.
For good performance, and proper and safe use of the F372A, be sure to read this operation manual and
properly understand the contents of it before use. Also, carefully keep this operation manual so that it can
be referred to at any time.
BE SURE TO READ FOR SAFETY
Installation, maintenance and inspection of the F372A should be performed by personnel having technical
knowledge of electricity.
In order to have an F372A used safely, notes I would like you to surely follow divide into ""
and "", and are indicated by the following documents. Notes indicated here are the serious
contents related to safely. Please use F372A after understanding the contents well.
WARNING
This sign forewarns the presence of hazards that could result in serious injury or
fatality when incorrectly handled.
CAUTION
This sign forewarns the presence of hazards that could result in personnel injury or
property damage when incorrectly handled.
1
1
WARNING
This sign forewarns the presence of hazards
that could result in serious injury or fatality
when incorrectly handled.
Warning on design
Warning on installation
Warning on wiring
WARNING
WARNING
● For the entire system to function safely when the F372A becomes faulty or malfunctions,
provide a safety circuit outside the F372A.
● Before using the F372A as described below, make sure to consult with our sales personnel.
- Use in environments not described in the operation manual.
- Use greatly impacting human lives and assets, such as medical devices, transport devices
entertainment devices, and safety devices.
● Do not modify the F372A. Doing so may cause fire or electric shocks.
● Do not install in the following environments.
- Places containing corrosive gas or flammable gas.
- Where the product may be splashed with water, oil or chemicals.
● Do not connect a commercial power source directly to the signal input/output terminals.
● Be sure to ground the protective ground terminal.
● The attached AC cable is designed for domestic use in Japan, and its rating is 125V AC, 7A.
For use at voltages exceeding the rating and for overseas use, have a separate AC cable
prepared.
● Before performing the following, make sure that no power is applied.
- Attachment/detachment of connectors of options, etc.
- Wiring/connection of cables to the terminal blocks.
- Connection of the earth cable.
● For connection to the signal input/output terminals, check the signal names and pin
assignment numbers, and then carry out wiring properly.
● Be sure to use crimp contacts for connection to the terminal blocks, and do not to connect
bare wires as they are.
● Be sure to install the attached terminal block cover after wiring to the power input terminals.
Otherwise, electric shocks may result.
● Before applying power, carefully check the wiring, etc.
2
2
WARNING
This sign forewarns the presence of hazards
that could result in serious injury or fatality
when incorrectly handled.
Warning during startup and maintenance
This sign forewarns the presence of hazards
that could result in personnel injury or property damage
when incorrectly handled.
Caution on installation
WARNING
WARNING
● Use at a proper power supply voltage.
● Do not damage the power cord. Doing so may cause fire or electric shocks.
● Do not touch any terminal while applying power. Doing so may cause electric shocks or
malfunctions.
● If the cover of the main body is opened, it may cause an electric shock internally. Even if the
power is off, the internal capacitor is charged. Contact us for internal inspection or repair.
● In the case of smoke, an abnormal smell or strange sound, immediately turn off the power,
and disconnect the power cable.
● As for the batteries used in F372A, do not at any time dismantle the batteries, change the
batteries shape by subjecting it to pressure or throw the batteries into fires as these may
cause the batteries to explode, catch fire or leak.
CAUTION
● Use the F372A as it is incorporated in a control panel, etc.
● Do not install in the following environments:
- Locations where temperature or humidity exceeds specifications;
- Locations subjected to drastic temperature fluctuations or icing and condensing;
- Outdoors or locations above 2,000m;
- Locations exposed to direct sunlight;
- Locations subject to dust accumulation;
- Locations with poor ventilation;
- Locations with a lot of salt and metal powder;
- Locations where the main unit is subject to direct vibration and shock.
● Take adequate shielding measures when using at the following locations.
- Near a power line.
- Where a strong electric field or magnetic field is formed.
- Where static electricity, relay noise or the like is generated.
● Install the F372A as far away from devices generating high frequency, high voltage, large
current, surge, etc., as possible. Also, carry out wiring separately from their power lines. Do
not carry out parallel wiring and common wiring.
● Do not use it, broken down.
3
3
CAUTION
This sign forewarns the presence of hazards
that could result in personnel injury or property damage
when incorrectly handled.
Caution on wiring
Caution during startup and maintenance
Caution during transportation
Caution during disposal
CAUTION
CAUTION
● Tighten the screws for the signal input/output terminals at the specified torque.
If they are loose, shorts, fire or malfunctions may occur.
Tightening torque: 0.5N• m
● For sensors, external inputs/outputs, RS-232C and options, use shielded cables.
● The temporary overvoltage applied to the power should not exceed 1500V.
● Set the correct Excitation Voltage for the sensor. (2.5V is set when F372A is dispatched
from us.)
● For turning on/off the power, be sure to keep intervals of 5 seconds or more.
● After power-on, make sure to warm up the F372A for at least 30 minutes or more before use.
● If the F372A is not used by the specified method, its protective performance may be
impaired.
● Maintenance
- When performing maintenance, disconnect the power.
- Do not wipe with a wet rag, or with benzine, thinner, alcohol, etc. Doing so may cause
discoloration or deformation of the F372A. In the case of heavy contamination, wipe off
the contamination with a cloth after dipping it into a diluted neutral detergent and wringing
it well, and then wipe with a soft, dry cloth.
● When the F372A is shipped, spacers made of corrugated cardboard are used as cushioning
materials.
Though it is factory-designed so that shocks can sufficiently be absorbed, breakage may
result if shocks are applied when the spacers are reused for transportation. If you send the
F372A to us for repair, etc., take adequate measures against shocks by using polyurethane
materials, etc., separately.
● If you dispose of the product, handle it as industrial waste.
● Remove the lithium batteries used in the F372A and make sure to dispose them according
Writing into internal NOVRAM. Do not turn off the power of
the F372A.
Yellow blink
The voltage of the lithium battery for internal memory backup
has dropped. The battery needs to be replaced. Ask us for
replacement of the battery.
Chapter
1
OUTLINE
1-3.Appearance Description
■Front panel
Touch panel display
This is the touch panel display for displaying an indicated value and graph set value and for setting
various setting items of the F372A. During measurement, a comparison display, hold display and
graph display can be selected according to the function in use.
Status indicator lamp
16
16
■Rear panel
Signal input / output
Protective ground
Option board
DC power input
RS-232C connector
Analog input / output
connector
connector
terminal block
mounting slot
Frame ground
7
- MONITOR
6
+ MONITOR
5SHIELD
4
+ SIG
3
- EXC
2
- SIG
1
+ EXC
A1
*
COM1B1
*
COM2
A2outHHB2inWORK0
A3outHIB3inWORK1
A4outOKB4inWORK2
A5outLOB5inWORK3(LOCK)
A6outLLB6inT/H
A7
*
COM1B7inCOM2
A8outHOLD END(H/E)B8inSECTION
A9outRUNB9inD/Z
A10outEVENTB10inGRAPH TRIG
A11outSI/FB11inCAL0
A12outSI/FB12inCAL1
Analog input / output connector
1 OUTLINE
Chapter
1
OUTLINE
Adaptable plug (ETB42-07P) (manufactured by OSADA or equivalent)
(Connector optional type: CN80)
Signal input / output connector
17
Adaptable plug (FCN-361J024-AU) (manufactured by FUJITSU COMPONENT or equivalent)
Connector cover (FCN-360C024-B (manufactured by FUJITSU COMPONENT or equivalent)
(Connector & Cover optional type: CN50)
17
1 OUTLINE
→ page44 "Comparison
Functions"
→ page68 "RUN Output"
The input for controlling the hold signal.
→ page48 "Hold Functions"
Chapter
1
OUTLINE
+ EXC
- EXC
+ SIG
- SIG
SHIELD
See the section on "Load cell connection" page 23 for connection.
+ MONITOR
- MONITOR
See the section on "Voltage output connection" page 27 for connection.
COM1The terminal common to output signals.
OK
HI
LO
HH
LL
RUN
The terminal for connecting to a strain-gage sensor.
The voltage output terminal for sensor input monitor.
→ page67 "Voltage Output"
Outputs the OK signal.
Outputs the HI signal.
Outputs the LO signal.
Outputs the HH signal.
Outputs the LL signal.
Outputs the RUN signal.
HOLD END
(H/E)
EVENTOutputs the event signal when graph plotting ends.
See the section on "External I/O connection" page 25 for connection.
COM2The terminal common to input signals.
WORK0
WORK1
WORK2
WORK3(LOCK)
T/H
SECTION
D/ZThe input for digital zero (making the indicated value zero).
GRAPH
TRIG
CAL0
CAL1
Outputs the hold end signal.
→ page48 "Hold Functions"
Selects the work No. for the multi-hold function.
→ page59 "Multi-hold Function"
WORK3 is also usable as a LOCK terminal.
→
page67 "Screen Lock / Key Lock (B5 terminal function selection)"
→ page40 "Digital Zero"
The input for controlling the drawing of graphic display.
→ page63 "Graph plotting"
Selects the CAL No. for calibration value selection function.
→ page35 "Calibration value selection by external signal input"
See the section on "External I/O connection" page 25 for connection.
SI/FThe 2-wire serial interface for coupling a UNIPULSE printer,
See the section on "SI/F connection" page 24 for connection.
18
18
external display, etc.
DC power input terminal block
Connect the DC power cord. The power supply voltage is 24V DC (±15%).
Adaptable crimp terminal [TMEV1.25-3S]
Frame ground
Please ground the frame ground terminal to prevent failures due to static electricity.
(The frame and the frame ground terminal are conducted.)
It may be better to remove depending on the environment of the installation location.
Protective ground
Be sure to ground the protective ground terminal to prevent electric shocks.
Optional slot
Any one of the following optional boards can be mounted.
- BCD data output
- D/A converter (voltage or current output)
- CC-Link interface (CC-Link is an abbreviation for "Control & Communication Link".)
- DeviceNet interface
1 OUTLINE
Chapter
1
OUTLINE
RS-232C connector
RS-232C connector to transmit / receive measurement data and status information, etc.
The adaptable plug is HOSIDEN-manufactured TCP8080-015267 or equivalent.
Optionally available RS-232C cable (cross) [CA81-232X] is connectable.
19
19
2 INSTALLATION & CONNECTION
2INSTALLATION & CONNECTION
92mm
Panel-cut
+1
0
–
Panel thickness
1.6 to 3.2mm
dimensions
92mm
+1
0
–
Chapter
2
INSTALLATION & CONNECTION
2-1.Installation
To install the F372A into a control panel, use the following procedure.
1. Make a hole in the panel according
to the panel-cut dimensions.
2. Remove the screws (two), and
remove the guide rails from both
sides.
* Do not use other screws than
those installed to the F372A body.
3. Fit in the F372A from the front of
the panel.
4. Install from the rear the guide rails
having been removed from both
sides in Step 2, and fix them with
the screws (two).
20
20
2-2.Connection
Black screw
Red screw
Within 6mm
CAUTION
Be aware that the voltage drops depending on the wire thickness and length.
Also, never input an AC power source. Doing so will cause a failure.
Protective
M4
ground
■Power input connection
Connect the positive (+) side of the power source to
the red screw side of the terminal block on the back
of the F372A, and its negative (-) side to the black
screw side. The input voltage is 24V DC(±15%).
■Protective Ground Connection
2 INSTALLATION & CONNECTION
Chapter
2
The grounding terminal is for prevention of electric shocks.
Use an approx. 0.75mm
2
thick wire, and be sure to ground.
1. Make sure that no power is applied.
2. Remove the screws(M4) at the protective
ground.
3. Align the solderless terminals(M4) with the
screw holes, and then tighten the screws.
WARNING
- Connect with no power applied because it may cause an electric shock.
- Since the F372A has no power switch, install a breaker.
INSTALLATION & CONNECTION
- Be sure to ground the protective ground terminal to prevent electric shocks.
Do not use other screws than that attached to the main body.
21
21
Chapter
5mm
Adaptable plug ETB42-07P (attachment)
Tighten.
(Turn clockwise.)
Pin No. 1
We sell it as CN80 (optional).
Pin No. 7
(Turn counterclockwise.)
Loosen.
Pin No. 7
Pin No. 1
Tighten.
(Turn clockwise.)
Tighten.
(Turn clockwise.)
Loosen.
(Turn
counterclockwise.
.)
Loosen.
(Turn
counterclockwise.
.)
When installing the terminal block to the F372A body,
check its orientation. (See the illustration at the right.)
Attention
Insert side
Right side
2 INSTALLATION & CONNECTION
■Analog input / output terminals connection
How to connect
1. Strip 5mm of the covering of the wire to be
connected.The size of connectable wires is
from 0.21 to 3.31mm
2
(AWG12 to 24).
2
2. Twist the tip to such an extent that it will not
spread out.
INSTALLATION & CONNECTION
3. Loosen the screw with a screwdriver to open
the connection hole.
A Phillips screwdriver 3 to 3.5mm #1 in shaft
diameter is recommended.
(Precision screwdriver, etc.)
4. Insert the wire into the connection hole so as
not to let the tip spread out.
5. Tighten the screw with the screwdriver.
0.5Nm of tightening torque is recommended.
6. Lightly pull the wire to make sure that it is securely clamped.
7. Insert the wire-connected plug into the
F372A body, and tighten the screws (two).
How to remove the terminal block
1. Loosen the screws (two) with a screwdriver.
2. Remove the terminal block by giving it
a strong pull.
22
22
■Load cell connection
( + EXC)
( - EXC)
( + SIG)
( - SIG)
(SHIELD)
+
IN
-
OUT
-
IN
+
OUT
1
2
3
4
F372A
5
( + EXC)
( - EXC)
( + SIG)
( - SIG)
+
IN
-
OUT
-
IN
+
OUT
F372A
1
2
3
4
(SHIELD)
5
- 4-wire sensor
- 6-wire sensor
2 INSTALLATION & CONNECTION
Chapter
2
Short-circuit +EXC with +S and -EXC with -S for connecting a 6-wire strain-gage sensor.
Cable colors of sensors
Cable colors of sensors may differ from one manufacturer to another (it may even differ from one
model to another for some products). Refer to the sensor manual (or data sheet) and check signal
names and colors in order to connect the cables correctly.
INSTALLATION & CONNECTION
23
23
Chapter
Converter
Display
Printer
SI/F
A12
A11
←
Inside Outside
→
F372A
2
INSTALLATION & CONNECTION
2 INSTALLATION & CONNECTION
■SI/F connection
The 2-wire serial interface has connective ability for coupling a UNIPULSE printer, external
display, etc.
Connect from A11 and A12 of the external input/output connector.
The interface is nonpolarized and up to three external instruments may be connected.
A two-core parallel cable or a cabtyre cable (Wire with covering thickened for construction) may be
used for connection.
When a two-core parallel cable or a cabtyre cable is used, the transmitting distance is
approximately 30m. When a two-core shielded twisted pair cable is used, the transmitting distance
is approximately 300m.
Do not parallel it with AC lines and high-voltage lines. It may cause of malfunction.
24
24
2 INSTALLATION & CONNECTION
The Source type (ISC) for external output signal can be selected at the time of the
purchase, as an option. The method to connect external input/output signal is also
different when source type is installed. Refer to "6-3.External I/O (Source type (ISC)
option)" on page 81. for details of source type (ISC).
CAUTION
COM1
Spark Killer
F372A Inside
DC
Relay
Vext
Supply an external power source for a relay drive
Output DataTr
OFFOFF
ONON
● Output Transistor Status
A1
A7
A2~6
A8~10
Vext
PLC etc.
Power
Supply
Plus common connection
Load
power source (Vext).
COM2
Relay
+12V
F372A Inside
IN
IN
Open → OFF
Short → ON
B2~6
B8~12
B7
B1
Push
Switch
Toggle
Switch
TTL Open Collector
(ON when IN is HI)
- The external element is required to withstand Ic=10mA.
- Leakage from the external element is required to be
100μA or below.
■External I/O connection
How to connect external output (Sink type)
The external output circuit is operated through an open collector. A1(A7) COM1 is the common
terminal. The open collector output capacity is 30mA and the withstand voltage is up to 30V.
- Equivalent circuit
Chapter
2
25
How to connect external input
(minus common connection of no-voltage contact input type)
A signal is inputted to the signal input circuit by short-circuiting or opening the input terminal and
the COM2 terminal. Short-circuiting is effected by means of a contact (such as a relay or a switch)
or a noncontact (such as a transistor or an open-collector TTL).
INSTALLATION & CONNECTION
25
Chapter
Connector
Pan-head machine screw
M2×8 (short) (two)
Nut M2 (four)
Pan-head machine screw
M2×10 (long) (two)
Washer (two)
Case (two)
Screw (two)
Pin No.Signal name
1DCD
2RXD
3TXD
4DTR
5GND
6DSR
7RTS
8CTS
CaseF.G
Example of cabling
The following shows an example of connection between DTE-DTE terminals.
This will require modification depending on the equipment to be connected.
For details, see the operation manual of the equipment to be connected.
Adaptable plug TCP8080-015267
(manufactured by HOSIDEN or equivalent)
(Connector optional type: CN60)
Insert
6
7
8
5
4
2
1
3
Wire connection surface
Side view
Metal case
Plastic cover
Secure with
Fit the metal cases into the Din connector,
and cap with the plastic covers.
hardware
DCD
DSR
RXD
TXD
DTR
GND
RTS
CTS
1
6
2
3
4
5
7
8
4
3
2
1
6
5
8
7
9
DTR
TXD
RXD
DCD
DSR
GND
CTS
RTS
RI
TCP8080-015267 or equivalentD-Sub 9pin
F372APC etc.
Cabling diagram CA81-232X(optional)
* This connection diagram shows cabling
applicable to the case where your PC is DTE
(data terminal equipment).
For connection with DCE (data circuitterminating equipment), such as a modem,
use straight type cabling.
* Prepare cabling after reconfirmation of the
connector shape and signal lines (pin
assignments) of the equipment you use.
2
INSTALLATION & CONNECTION
2 INSTALLATION & CONNECTION
How to assemble the connector
1. Set the connector and screws (two) into the grooves of the case (one side).
2. Cover with the other case, and fit the cases.
3. Tighten the M2×8 pan-head machine screws (two). Tighten the M2×10 pan-head
machine screws (two). Be aware that washers should be set to the M2×10 panhead machine screws (two).
■RS-232C interface connection
This connector connects the RS-232C.
26
26
2 INSTALLATION & CONNECTION
+
-
6
7
+
MONITOR
← F372A InsideOutside →
F.G, shield, etc.
-
MONITOR
External
equipment
5 to 6mm
CAUTION
- Cable can be from 24 to 14AWG (0.2 to 2.5mm2)
- It is not necessary to solder the cable wires or to fix a solderless terminal.
- If several cables to be inserted to the same hole, twist those cable wires
together and insert.
- If you connect a cable (load cell(s), SI/F, external input and output),
please turn off and be sure to perform the power supply of a main part.
■Voltage output connection
The monitor output terminal is an interface to extract analog voltage proportional to sensor signal
inputs.
- Since the ±MONITOR terminals are not insulated from the internal circuit, use two-core shielded
twisted pair wires for connection with external equipment, and carry out with as short a wiring as
possible.
- Do not short-circuit. Doing so will cause a failure.
- Do not apply voltage from the outside. Doing so will cause breakage.
Chapter
2
■Connecting to cage clamp terminal block
The output terminal D/A option is using the cage clamp system terminal stand. Please connect in
the following procedure.
1. Strip the casing 5 - 6mm on the cable to be
connected.
2. Twist the bare wire to fit the terminal hole.
3. Insert the supplied screwdriver into the
upper hole and lift upward.
4. Insert the twisted wires into the lower hole.
5. Make sure cable is clamped securely and
does not come out with a slight tug.
INSTALLATION & CONNECTION
27
27
3 SETTING PROCEDURE
3SETTING PROCEDURE
Ordinary display screen
Setting menu screen
PAGE1
HH Limit(P45)
HI Limit(P45)
LO Limit(P45)
LL Limit(P45)
Hysteresis(P45)
PAGE2
Alarm HI Limit(P48)
Alarm LO Limit (P48)
Near Zero(P46)
Comp. Timing(P46)
Comp.Output Sel.
(P47)
PAGE1
Graph Mode(P65)
Y(LD) Start Point(P66)
Y(LD) End Point (P66)
X(TM) End Point (P66)
Graph Start Level
(P65)
PAGE2
Interval Time(P65)
Level detection conditions
(P65
)
PAGE1
Hold Mode(P48)
Hold Start Level (P49)
Section Time(P49)
Level detection Condition
(P50)
Operation
Hold Setting
Graph Setting
PAGE2
Motion Detect(P41)
Zero Tracking(P42)
Vol. Out Filter(P67)
Indicate Color(P44)
B5 Func. Select (P67)
PAGE1
Digital Filter(P41)
Analog Filter(P41)
Backlight(P42)
Language(P43)
SI/F Print Out(P43)
PAGE3
B6 OFF Det. Wait
(P61)
B8 OFF Det. Wait
(P62)
Meas. Work Select
(P61)
Contr. Input Sel. (P61)
Password(P91)
PAGE2
Delimiter(P70)
Flow Control(P70)
PAGE1
Com. Mode(P70)
Baudrate(P70)
Data Bit(P70)
Stop Bit(P70)
Parity Bit(P70)
PAGE2
<Sample hold>
Samp.Removal Val.
(P50)
<Inflection point hold>
Inf. Minimum Slope
(P51)
Inf. F Slope Time (P51)
Inf. R Slope Time (P51)
Inf. Removal Val. (P50)
Det. Start Cond. (P49)
<Relative (Maximum /
Minimum / Difference) hold>
Rel. Minimum Count
(P51)
Rel. magnification (P51)
Det. Start Cond. (P49)
<Peak hold or Valley hold,
and Section setting; Level>
Hold Stop Level (P49)
<Average hold>
Ave. Sample Num.(P53)
Work Setting
Comp. Setting
RS-232C Setting
System Setting
3-1.Screens And Operations
■Setting modes tree
Chapter
3
SETTING PROCEDURE
28
28
3 SETTING PROCEDURE
Exp. SettingProtect / Init
PAGE1
Work Protect (P89)
System Protect (P89)
Cal. Protect(P34)
Exp. Protect(P89)
Initialization(P89)
Self Check
PAGE1
LCD Check (P90)
KEY Check(P90)
MEM Check(P90)
I/O Check(P90)
DSP Check(P90)
COM Check(P91
)
Calibration
PAGE2
Unit(P35)
Increment(P38)
Digital Offset(P38)
DZ Limit(P39)
PAGE1
Exc. Voltage(P35)
Zero Cal.(P36)
Equiv. Cal.(P37)
Actual Cal(P38)
Cal. Select(P33)
Option Setting
Setting functions vary
with options.
See the Expansion of
this manual.
(P99)
PAGE1
Output Select
(P76)
Output Rate(P76)
Self Check(P78)
See the DeviceNet
operation manual.
See the CC-Link
operation manual.
BCD OUTPUT
CC-LinkDeviceNet
PAGE1
Output Select(P80)
Zero Scale(P79)
Full Scale(P79)
Scale Set. Select (P79)
D/A OUTPUT
Chapter
3
SETTING PROCEDURE
29
29
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