Honeywell UDC2500 - Timer; Table 4-10 Procedure for Switching between Setpoints

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
FunctionFunctionFunction
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.