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6 INSPECTION AND MAINTENANCE
(g) Flowchart for when output load of output module is not turned
on.
The following shows the flowchart when the output load of the output
module is not turned on during operation.
Voltage measurement among the
modules input and COM terminals.
Check the external wiring and
external input devices.
Output load of output module is
not turned on.
Is voltage for the
power supply load
added?
What is the voltage
among the various output
COM terminals of the
output module?
YES
NO
NO
YES
0V
NG
NG
0V
OK
Input-signal
turned on.
OFF
Check the output condition, then
execute to the output programs.
NO
YES
Is the operation
indicator of output
module lit?
Check the output conditions with the
monitor mode of the GSV P.
Is the operation
indicator of input
module lit?
ON
Is it reaching the
supply voltage
value?
Confirm rush current when the load
is at the maximum simultaneous on.
Change the output relay number and
let the load maximum simultaneous
on current to within the specification.
Output module failure.
Replace the output module.
Check the wiring for power supply
load and recover the power supply.
Check the wiring for load and load,
and recover the power supply.
Confirm input-signal off to the
monitor mode of the GSV P.
S
u
p
p
l
y
v
o
l
t
a
g
e
v
a
l
u
e
(
M
o
n
i
t
o
r
s
i
g
n
a
l
o
f
f
)
Are the output
conditions completed or the output
programs executed?
Explain the error symptom and get
advice from our sales representative.
POINT
For information about input signal of the input module is not turned off, refer to
section 6.6.3 I/O modules troubleshooting.