Input Calibration
5.5 Input 1 or 2 Calibration Procedure
Preliminary Steps
•
•
•
•
Apply power and allow the controller to warm up for 30 minutes before you calibrate.
Please read
Up Wiring before beginning the
procedure.
Make sure you have LOCK set to NONE. See
See Table 5-1 for Voltage vs. Resistance equivalents or 0 % and 100 % range values.
CAUTION
For linear inputs, avoid step changes in inputs. Vary smoothly from initial value to final 100 % value.
Procedure
The calibration procedure for Input #1 or 2 is listed in Table 5-9.
Table 5-9 Input 1 or 2 Calibration Procedure
Step
Operation
Press
Result
1
Enter Calibration
Mode
Setup
Setup
until you see
Upper Display
=
CALIB
Lower Display
=
INPUTn [n=1 or 2]
You will see:
Upper Display
=
DISABLE
Lower Display
=
CAL INn [n=1 or 2]
or
The calibration sequence is enabled and you will see:
Upper Display
=
BEGIN
Lower Display
=
CAL INn [n=1 or 2]
At the completion of the sequence, the selection
automatically reverts to disable.
2
Calibrate 0 %
Function
Function
Function
You will see:
Upper Display
=
APPLY
Lower Display
=
INn ZERO [n=1 or 2]
Function
Function
Function
Adjust your calibration device to an output signal equal
to the 0 % range value for your particular input sensor.
See Table 5-1 for Voltage, Degrees, or Resistance
equivalents for 0 % range values.
•
•
Wait 15 seconds, then go to the next step.
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UDC3200 Universal Digital Controller Product Manual
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