Honeywell UDC2500 User Manual

Monitoring and Operating the Controller
108 UDC2500 Universal Digital Controller Product Manual 4/07
Step Operation Press Result
5
Initiate Tuning
Select “DoSLOW” or “DoFAST” in
lower display.
6
Tuning in operation
Lower
Display
Lower
Display
Lower
Display
Upper display will flash “TUNE” as
long as ACCUTUNE process is
operating. When process
completes, tuning parameters are
calculated and lower display will
show “NoTune” prompt.
Table 4-15 Procedure for Using MANUAL TUNE for Cool side of Duplex Control
Step Operation Press Result
1
Configure LSP2
Lower
Display
Lower
Display
Lower
Display
Until 2SP (Local Setpoint 2) shows
in the lower display.
2
or
Until LSP2 is a value within the
Cool Zone (output below 50%).
3
Switch to
“Automatic” Mode
M-A
Reset
M-A
Reset
M-A
Reset
Until the “A” indicator is lighted (on
controllers with Manual option).
4
Show Tuning
Prompt
Lower
Display
Lower
Display
Lower
Display
Until “NoTUNE” is shown on lower
display.
5
Initiate Tuning
Select “DoSLOW” or “DoFAST” in
lower display.
6
Tuning in operation
Lower
Display
Lower
Display
Lower
Display
Upper display will flash “TUNE” as
long as ACCUTUNE process is
operating. When process
completes, tuning parameters are
calculated and lower display will
show “NoTune” prompt.

Honeywell UDC2500 Specifications

General

Type	Universal Digital Controller
Alarm Relays	Up to 2 alarm relays
Communication	RS485 Modbus RTU
Mounting	Panel Mount
Display	Dual 4-digit LED
Input Types	Thermocouple, RTD, mA, V
Control Modes	On/Off, PID
Output Types	Relay, mA, V
Power Supply	100-240 VAC, 24V DC
Dimensions	96x96x132 mm