Honeywell UDC2800 Product Manual page 245

Chapter 7 - Output Calibration
Table 7-3: Set Up Wiring Procedure for Auxiliary Output
Step Action
1 Apply power and allow the controller to warm up 30 minutes before you
calibrate.
2 Set Lockout in the Security set up group to None.
3 Tag and disconnect the field wiring, at the rear of the controller, from terminals
12 (+) and 13 (–). See figure below.
4 Connect a milliammeter across these terminals.
Table 7-4: Auxiliary Output Calibration Procedure
Step Operation
1 Enter
Calibration
Mode
2 Calibrate 0 %
245
Procedure
The procedure for calibrating the auxiliary output is listed in table
below.
Make sure Lockout in the Security set up group is set to None. See
Security Set Up Group for more information.
Press
Setup key
Setup key or
Increment
key or
Decrement
key
Function
key
Increment
key or
Decrement
key
Result
Enter into the Setup mode.
Until you see Auxiliary Calib.
Enter into the first function prompt Zero Value
of the Auxiliary Calib set up group. Press the
Function key again to enter the configuration
prompt of Zero Value.
Until the desired 0 % output is read on the
milliammeter. Normally, this will be the setting
that produces 4 mA.
If tuning Zero Value of 0-20 mA output type,
the output should be tuned to non-zero value
first, and then tuned back to the edge. The
edge means that the output will be greater