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3-6SectionOffset and Gain Adjustment
61
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 IR word n+1. (Hold the ON status.) Regard-
less of the set value, 0000 will be monitored in IR word n+8.
SHIFT
CONT
#
1
B
0
A
1
B
0
A
5
F
MONTR
10105
^OFF
PLAY
SET
10105
ON
2. Turn bit 04 of IR word n+1 ON and then OFF again.
SHIFT
CONT
#
1
B
0
A
1
B
0
A
4
E
MONTR
10104 10105
^OFF ^ ON
PLAY
SET
10104 10105
ON ^ ON
REC
RESET
10104 10105
OFF ^ ON
While the Clear Bit is ON, the default offset and gain values will be saved to
the Unit’s EEPROM when the Set Bit turns ON.
3. To finish the clearing of adjusted values, turn OFF bit 05 (the Clear Bit) of IR
word n+1.
SHIFT
CONT
#
1
B
0
A
1
B
0
A
5
F
MONTR
10105 10104
^ ON ^OFF
REC
RESET
10105 10104
OFF ^OFF
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 “Special I/O Unit Errors” may occur when the power supply
is turned ON or when the Unit is restarted, causing a malfunction.
Note The EEPROM can be overwritten 50,000 times.
Clearing Offset and Gain
Adjusted Values
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