4 - 8 4 - 8
MELSEC-A
4 SETUP AND PREPARATION BEFORE OPERATION
4.5 Offset/Gain Setting
When changing the I/O conversion characteristics, follow the procedure below.
Correct the gain value to a
normal value.
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· ƒX ƒC ƒb ƒ` ‚ð g 1h org 2h ‚É Ý ’è ‚· ‚é B
RUN
SELECT
On
SET
START
Every time the SELECT/SET switch is moved to
"SELECT", the offset/gain adjusting LEDs lit change
as shown below.
1 2 4 8 OFFSETGAIN
A
Make sure that the "RUN" LED is off.
Power ON
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
On
Off
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· ƒX ƒC ƒb ƒ` ‚ð g 1h org 2h ‚É Ý ’è ‚· ‚é B
Add the voltage or current that will be the offset value.
B
YES
NO
B
RUN
SELECT
On
SET
YES
NO
C
Adjust other channels?
NO
A
Power OFF
END
Move the SELECT/SET switch to "SET". Release
your hand after making sure that the "RUN" LED has
turned on .
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.
Add the voltage or current that 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 .
Ver. 1 remote device station: Set to "1" or "2".
Ver. 2 remote device station: Set to "4" or "5".
Does the "RUN" LED flicker
at intervals of 0.5s?
Correct the offset value to a
normal value.
Does the "RUN" LED flicker
at intervals of 0.5s?
C
If the "RUN" LED is not lit, E
2
PROM may have failed. For details, refer to Section 3.5.2.
