Honeywell UDC 3300 manual Procedure #2, Currnt

Procedure #2

Table 9-9 explains how to troubleshoot Current Proportional Output failure symptoms.

Table 9-9 Troubleshooting Current Proportional Output Failure

Step

1

2

3

4

What to do

Make sure the controller is configured for Current output.

Check the field wiring.

Make sure all the configurable tuning constants, limits, and configuration data stored in the controller are correct. Reconfigure, if necessary.

Check the output.

How to do it

Make Algorithm Set Up group function prompt OUT ALG or OUT2 ALG =

CURRNT.

Refer to Section 3 - Configuration.

Output impedance must be less than or equal to 1000 ohms.

Refer to Section 3 - Configuration to check all this data and how to reconfigure.

Put the controller into Manual mode and change the output from 0 % to

100% (4-20 mA). Use a DC milliammeter at the rear terminals to verify the output.

5

6

Recalibrate the Current Proportional	Refer to Section 8 - Output Calibration
output.	for details.
Change MCU/Output board.	Refer to Table 9-23.

254 UDC 3300 Controller Product Manual 4/00