Honeywell UDC1200 MICRO-PRO - Manual Control; Automatic Tuning Mode

UDC 1200 Start-Up Guide Rev 1
This mode is entered at power on. It can also be accessed from Select mode
(see section 3).
Note: All configuration mode and Setup mode parameters must be set as
required before starting normal operations.
Press to scroll through the parameters, then press or to set the
required value.
Note: All parameters in Display strategy 6 are read only, and can only be
adjusted via Setup mode.
Upper Display
Lower
Display
Display Strategy When
Visible
Description
PV Value
Active SP
Value
1 & 2 (initial screen)
PV and target value of selected SP
SP adjustable in Strategy 2
PV Value
Actual SP
Value
3 & 6 (initial screen)
PV and actual value of selected SP (e.g.
ramping SP value). Read only
PV Value
(Blank)
4 (initial screen)
Process variable only. Read only
Active SP Value
(Blank)
5 (initial screen)
Target value of selected setpoint only.
Read only
SP Value
SP
1, 3, 4, 5 & 6
if digital input is
not 
Target value of SP
Adjustable except in
Strategy 6
SP1 Value
_ SP1
“_ “lit if dig I/P = 
and active SP is SP1
Target value of SP1
Adjustable except in Strategy 6
SP2 Value
_ SP2
“_ “lit if dig I/P = 
and active SP is SP2
Target value of SP2
Adjustable except in Strategy 6
Actual SP Value
SPrP
 enabled and rP is
not zero
Actual (ramping) value of selected SP
Read only
Ramp Rate
rP
 enabled in Setup
mode
SP ramping rate, in units per hour.
Adjustable except in Strategy 6
Active Alarms
ALt
When one or more
alarms are active.
ALM indicator will
also flash
L Alarm 2 active
L21 Alarm 1 active
L Loop Alarm active
Manual Control
If  is set to  in Setup mode, manual control can be selected/de-selected by
pressing the key while in Operator mode, or by changing the status of the digital
input if  has been configured for  in Configuration mode. The indicator will
flash while in Manual Control mode and the lower display will show xxx (where xxx is
the current manual power level). Switching to/from manual mode is via Bumpless
Transfer.
Press or to set the required output power.
Caution: Not restricted by  limit.
7. AUTOMATIC TUNING MODE