YOKOGAWA UT55A User Manual

17-19
IM 05P01C31-01EN
Installation and Wiring
17
The following table shows the initial status for each control mode and control type. No
function is assigned to contact inputs other than those listed below.
► Contactinputfunctionregistration:12.1SettingContactInputFunction
Controlmodeandcontroltype DI1 DI2 DI3 DI16
Single-loop Control
Single-loop Heating/cooling Control
Single-loop Position Proportional Control
Single-loop Two-position Two-level Control
LoopControlwithPVAuto-selector(4inputs)
Heating/coolingLoopControlwithPV
Auto-selector (4 inputs)
Position Proportional Loop Control with
PVAuto-selector(4inputs)
LoopControlwithPV-holdFunction
Heating/coolingLoopControlwithPV-hold
Function
Position Proportional Loop Control with
PV-holdFunction
AUTO (ON)/
MAN (OFF)
switch
STOP (ON)/
RUN (OFF)
switch
None
Remote (ON)/
Local (OFF)
switch
Cascade Primary-loop Control
Loop Control for Backup
Heating/cooling Loop Control for Backup
Position Proportional Loop Control for Backup
AUTO (ON)/
MAN (OFF)
switch
STOP (ON)/
RUN (OFF)
switch
None
Output
tracking switch
(tracking in ON
sate)
Cascade Secondary-loop Control
Cascade Secondary-loop Heating/cooling
Control
Cascade Secondary-loop Position
Proportional Control
Cascade
(OFF→ON)
switch
AUTO
(OFF→ON)
switch
MAN
(OFF→ON)
switch
Cascade
switches to
AUT
O in the
event of FAIL
of Loop 1
controller
Cascade Control
Cascade Heating/cooling Control
Cascade Position Proportional Control
Cascade
(OFF→ON)
switch
AUTO
(OFF→ON)
switch
MAN
(OFF→ON)
switch
ST
OP (ON)/
RUN (OFF)
switch
LoopControlwithPVSwitching
Heating/coolingLoopControlwithPV
Switching
Position Proportional Loop Control with
PVSwitching
AUTO (ON)/
MAN (OFF)
switch
STOP
(ON)/
RUN (OFF)
switch
None
RSP terminal
Input(ON)/PV
terminal input
(OFF) switch
LoopControlwithPVAuto-selector(2
inputs)
Heating/coolingLoopControl
withPV
Auto-selector (2 inputs)
Position Proportional Loop Control with
PVAuto-selector(2inputs)
AUTO (ON)/
MAN (OFF)
switch
STOP (ON)/
RUN (OFF)
switch
None None
Note
If the /DR option is additionally specified to the remote input, the remote Input with direct input
can be used as remote input.
However, DI16 is to be deleted. (See 17.4.3 Remote (Auxiliary Analog) Input Wiring)
17.4 Wiring

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English