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4 SETUP AND PREPARATION BEFORE OPERATION
4.5 Offset/Gain Setting
Set the mode select switch as indicated below.
Ver. 1 remote device station: "1" or "2"
Ver. 2 remote device station: "4" or "5"
A
Make sure that the "RUN" LED is off.
Every time the SELECT/SET switch is moved to
"SELECT", the offset/gain adjusting LEDs lit change
as shown below.
CH1 offset value setting
CH1 gain value setting
CH2 offset value setting
CH2 gain value setting
CH3 offset value setting
CH3 gain value setting
CH4 offset value setting
CH4 gain value setting
CH5 offset value setting
CH5 gain value setting
CH6 offset value setting
CH6 gain value setting
CH7 offset value setting
CH7 gain value setting
CH8 offset value setting
CH8 gain value setting
Using the "UP/DOWN switch", set to the voltage
B
which will be the offset value.
If the "RUN" LED is not lit, E PRON may have failed. For details, refer to Section 3.5.2.
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When changing the I/O conversion characteristics, follow the procedure below.
START
Power ON
1
2
4
8
OFFSET GAIN
Off
On
2
Move the SELECT/SET switch to "SET". Release
your hand after making sure that the "RUN" LED has
turned on .
RUN
On
Does the "RUN" LED flicker
at intervals of 0.5s?
Change the lit offset/gain adjusting LEDs with the
SELECT/SET switch, and make sure that the LED of
the channel whose offset/gain will be set and the
"GAIN" LED are lit.
C
Using the "UP/DOWN switch", set to the voltage
which will be the gain value.
Move the SELECT/SET switch to "SET". Release
your hand after making sure that the "RUN" LED has
turned on .
RUN
On
Does the "RUN" LED flicker
at intervals of 0.5s?
Adjust other channels?
Power OFF
MELSEC-A
SELECT
SET
NO
Correct the offset value to a
normal value.
SELECT
SET
NO
Correct the gain value to a
normal value.
NO
END
YES
B
YES
C
A
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Troubleshooting
