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SM 04L01A01-01E
4-2
4.2 AD Board Offset and Gain Adjustment
4.2 AD Board Offset and Gain Adjustment
An EEPROM for saving calibrated values is located on every AD board, so you must
perform adjustments on each board.
4.2.1 Manual Adjustment
Connection
UUA
When DC range
DC Voltage
standard
DC Voltage
standard
DECADE
RESISTANCE
BOX
DECADE
RESISTANCE
BOX
GROUP 1
CH2 CH1
+
-
A
H
L
H
L
b
B
A
b
B
+
-
UUA
When RTD or Cu range
GROUP 1
CH2
CH1
Figure 4.1 Connection diagram.
The AD board may be shared by a number of channels. Connect the object channels to
the AD board you want to adjust using the table below as a reference.
Zero
CH1
CH1
CH1
CH1
CH1
CH1
CH1
CH1
CH1
Model
DX102
DX104
DX106
DX112
DX204
DX208
DX210
DX220
DX230
FS
CH2
CH2
CH2
CH2
CH2
CH2
CH2
CH2
CH2
Zero
-
CH3
-
-
CH3
CH3
-
CH11
CH11
FS
-
CH4
-
-
CH4
CH4
-
CH12
CH12
Zero
-
-
-
-
-
CH5
-
-
CH21
FS
-
-
-
-
-
CH6
-
-
CH22
Zero
-
-
-
-
-
CH7
-
-
-
FS
-
-
-
-
-
CH8
-
-
-
A/D No. 1
A/D No. 2
A/D No. 3
A/D No. 4
Procedure
1
Connect the equipment according to figure 4.1.
2
Turn on the power while pushing the
↑
key and DISP/ENTER key on the UUA (unit
under adjustment) to activate the adjustment mode. The Calibration Mode screen will
appear in the display.
Select the A/D number that you wish to adjust and press ENTER.
Figure 4.2 A/D No. selecting screen.