Honeywell UDC2500 Auxiliary Output Calibration Procedure Numeric Code, Lower Display = Auxout

Output Calibration

Procedure

The procedure for calibrating the auxiliary output is listed in Table 6-4.The numeric codes are also listed.

Make sure “LOCK” in the Tuning Set Up group is set to “NONE” (see Subsection 3.4).

Table 6-4 Auxiliary Output Calibration Procedure

(Numeric Code 50000)

Step

Operation

Press

Result

1	Enter Calibration		Setup	Upper Display = CAL ( - - - - )
	Mode			Lower Display = AUXOUT (50000)
		until you see
2	Calibrate 0 %			You will see:
			Function
				Upper Display = A Value
				Lower Display = ZROVAL (50001)
			or	until the desired 0 % output is read on the milliammeter,

use the values shown below depending on the action of your controller. Normally, this will be the setting that produces 4 mA.

3	Calibrate 100 %	Function
		or
4	Exit the	Function
	Calibration Mode
		Lower
		Display

To store the 0 % value you will see:

Upper Display = A Value

Lower Display = SPNVAL (50002)

until the desired 100 % output is read on the milliammeter. . Normally, this will be the setting that produces 20 mA.

The controller stores the span value.

To exit the calibration mode.

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