Honeywell UDC2500, Product Manual

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Monitoring and Operating the Controller
102 UDC2500 Universal Digital Controller Product Manual 4/07
Switching between setpoints
You can switch Local and Remote setpoints or between two Local setpoints when
configured.
ATTENTION
The REMOTE SETPOINT value cannot be changed at the keyboard.
Table 4-10 Procedure for Switching Between Setpoints
Step Operation Press Result
1 Select the
Setpoint
Function Function Function
To alternately select Local Setpoint 1 (LSP) and the Remote
Setpoint (RSP) or switch between the 2 Local Setpoints
(LSP and 2L)
ATTENTION
“ KEY ERROR ” will appear in the
lower display, if:
•
the remote setpoint or 2
nd
local setpoint is not configured
as a setpoint source
•
you attempt to change the setpoint while a setpoint ramp
is enabled, or
•
if you attempt to change the setpoint with the setpoint
select function key disabled.
4.10 Timer
Introduction
The Timer provides a configurable Time-out period of from 0 to 99 hours:59 minutes or
0 to 99 minutes:99 seconds.
Timer “Start” is selectable as either the
RUN/HOLD
key or Alarm 2.
The Timer display can be either “Time Remaining” or “Elapsed Time”.
Configuration check
Make sure:
•
TIMER is enabled
•
A TIMEOUT period has been selected (in hours and minutes or minutes and
seconds)
•
A TIMER FUNCTION START has been selected (KEY or AL2)
•
A TIMER display has been selected (Time remaining or Elapsed time)
•
A timer increment selected
•
Timer reset selected
Refer to Subsection 3.7 Algorithm Set Up Group for details.