Output Calibration

Procedure

The procedure for calibrating the Current Output is listed in Table 6-2.The numeric codes are also listed. Make sure LOCK in the Tuning Set Up group is set to NONE. (See Subsection 3.4 Tuning Set Up Group.)

Table 6-2 Current Output Calibration Procedure

(Numeric Code 30000)

Step

Operation

Press

Result

1

Enter Calibration

Setup

Upper Display = CAL ( - - - - )

 

Mode

 

Lower Display = CURENT (30000)

until you see

2

Calibrate 0 %

Function

 

 

or

You will see:

Upper Display = A Value

Lower Display = ZROVAL (30001)

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

This stores the 0 % value and you will see:

Upper Display = A Value

Lower Display = SPNVAL (30002)

Until the desired 100 % 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 20 mA.

4Exit the Calibration Mode

Function

Lower

Display

The controller stores the span value.

To exit the calibration mode.

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Image 167
Honeywell UDC2500 manual Current Output Calibration Procedure Numeric Code, Calibrate 0 %, Calibrate 100 %