214
Adjusting Offset and Gain Section 5-7
Clearing Offset and Gain
Adjusted Values
Follow the procedure outlined below to return the offset and gain adjusted val-
ues to their default settings.
The following example uses output number 1 adjustment for illustration. (The
unit number is 0.)
1,2,3... 1. Turn ON bit 05 (the Clear Bit) of CIO word n+1. (Hold the ON status.) Re-
gardless of the set value, 0000 will be monitored in CIO word n+8.
2. Turn bit 04 of CIO word n+1 ON and then OFF again.
While the Clear Bit is ON, the adjusted value will be cleared and reset to
the default offset and gain values when the Set Bit turns ON.
3. To finish the clearing of adjusted values, turn OFF bit 05 (the Clear Bit) of
CIO word n+1.
!Caution Do not turn OFF the power supply or restart the Unit while the Set Bit is ON
(data is being written to the EEPROM). Otherwise, illegal data may be written
in the Unit’s EEPROM and “EEPROM Errors” may occur when the power sup-
ply is turned ON or when the Unit is restarted, causing a malfunction.
Note The EEPROM can be overwritten 50,000 times.
SHIFT
CONT
#
2
C
0
A
0
A
1
B
0
A
5
F
MON
200105 ^ OFF
SET
200105 ^ ON
SHIFT
CONT
#
2
C
0
A
0
A
1
B
0
A
4
E
MON
200104 ^ OFF
SET
200104 ^ ON
RESET
200104 ^ OFF
SHIFT
CONT
#
2
C
0
A
0
A
1
B
0
A
5
F
MON
200105 ^ ON
RESET
200105 ^ OFF
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