Table 5-4 Using Contact Input Option - Honeywell UDC2300 Product Manual

How to Reset the Latching Relay
The latching relay cannot be reset until the PV input signal drops below the high set
point (High Limit) or rises above the low set point (Low Limit) value.
Press the
[MAN-AUTO RESET]
External Reset option is present.
Using the Digital Input Option (External Reset)
The Contact Input option detects the state of external contacts. On contact closure, the
controller will reset the latching relay if the controller has External Reset enabled. To
allow External Reset (contact input) use the procedure in Table 5-4.
Step Operation
1 Select Options
Set-up Group
Access the
2
External Reset
Prompt
Change a value
3
1/01
key or make contact closure of an external switch if the

Table 5-4 Using Contact Input Option

Press
Until you see:
SET UP
Upper Display = SET
Lower Display = OPTIONS
Until you see:
FUNCTION
Upper Display = ENAB
Lower Display = EXTRST
[ ] [ ]
To select ENAB in the upper display
UDC2300 Limit Controller Product Manual
Result
DIS
Operation
41