Run/Monitor The Program; Table 4-26 Run/Monitor Functions - Honeywell UDC2500 Product Manual

Run/Monitor the program

Prior to running the program, make sure all the "SP PROG" function prompts under the
Set Up group "SP RAMP" have been configured with the required data.
"HOLD" appears periodically in the upper display indicating that the program is in the
HOLD state.
ATTENTION
in HOLD state).
Run/Monitor functions
Table 4-26 lists all the functions required to run and monitor the program.
Function
Set the Local
Setpoint
Run State
Hold State
External Hold
To Begin
4/07
SP Programmer parameter cannot be changed during RUN state (must be

Table 4-26 Run/Monitor Functions

Press
Lower Lower Lower
Display Display Display
or
Run Run Run
Hold Hold Hold
Run Run Run
Hold Hold Hold
or
UDC2500 Universal Digital Controller Product Manual
Monitoring and Operating the Controller
Result
Upper Display = PV value
Lower Display = SP
To set the Local Setpoint value to where you
want the program to start out.
Initiates the setpoint program.
"RUN" appears in the upper display indicating
that the program is running.
Holds the setpoint program.
"HOLD" appears in the upper display
indicating that the program is in the HOLD
state.
The setpoint holds at the current setpoint.
If one of the Digital Inputs is programmed for
the HOLD function, then contact closure
places the controller in the HOLD state, if the
setpoint program is running.
The upper display will periodically show
"HOLD" while the switch is closed.
ATTENTION The keyboard takes priority
over the external switch for the RUN/HOLD
function.
Reopening the HOLD switch runs the
program.
To go back to the beginning of the program.
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