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Edition 3
Rev G
Section 11
11-5
Step 8
Repeat steps 1 through 8 for each input to be calibrated.
11.2 COLD JUNCTION CALIBRATION
Step 1
With INPUT CALIBRATION on the lower display line, press the to enter the Input Calibration. The upper
display will display CALIBRATE INPUT and the lower display line will display IV1. If other than IV1 or IV2 is to be
calibrated, depress and select the input number for which it is desired to calibrate.
Note: There exists only one CJC sensor per input board or for every two input channels.
Step 2
Depress and the upper display line will display IVx CAL BOARD TYPE (x=input number selected) and the
lower display line will display TC/VOLT or RTD. Select TC/VOLT.
Step 3
Depress and IVx CAL WHAT RANGE should appear in the upper display line. Depress ,
then until TC NARROW TC WIDE are displayed in the lower display line. Select which type
of TC used by depress- ing to alternately select TC NARROW or TC WIDE (see Table 11-2, page 11-2),
then depress the when the TC Range used is blinking.
Step 4
Be sure that the jumpers on the Input Board for the input being calibrated are positioned as shown in Table 11-3,
Page 11-3.
Step 5
Depress the and IVx CAL CJC OR TC will appear in the upper display line, and TC or CJC will appear in
the lower display line. Select CJC by depressing the , then the until CJC is blinking, then depress
the .
Step 6
IVx CJC TC TYPE will appear in the upper display line and J will appear in the lower display line. Depress the
, then UP, DOWN, LEFT and SCROLL as required to select the type of TC being used , then
depress the .