Honeywell UDC2500 User Manual

Page 128

Advertising
background image

Monitoring and Operating the Controller

114

UDC2500 Universal Digital Controller Product Manual

4/07

4.16 Setting a Failsafe Output Value for Restart After a Power Loss

Introduction

If the power to the controller fails and power is reapplied, the controller goes through the
power up tests, then goes to a user configured FAILSAFE OUTPUT VALUE.

Set a Failsafe Value

Table 4-22 Procedure for Setting a Failsafe Value

Step

Operation

Press

Result

1

Select Control

Set-up Group

Setup

Setup

Until you see:
Upper Display
= SET

Lower Display = CONTRL

2

Select Failsafe

Function Prompt

Function

Function

Function

You will see:
Upper Display = (range)
within the range of the Output 0 to 100 for all output types
except 3 Position Step
3 Position Step
0 = motor goes to closed position
100 = motor goes to open position

Lower Display = FAILSF

3

Select a value

or

To select a failsafe output value in the upper display

4

Return to Normal

Display

Lower

Display

Lower

Display

Lower

Display

At power up, the output will go to the value set.

Advertising