YOKOGAWA UT55A - 8.2 Setting Control Type (CNT)

8-68
IM 05P01C31-01EN
8.2 SettingControlType(CNT)
The following table shows combination of Standard type, Heating/cooling type, Position
proportional type and control type (CNT).
Control type
Sufxcode:Type1
Standard type
Heating/cooling
type
Position
proportional type
PID control √ √ √
ON/OFF control
(1 point of hysteresis)
√ √ N/A
ON/OFF control
(2 points of hysteresis)
√ √ N/A
Two-position two-level control N/A √ N/A
Heating/cooling control N/A √ N/A
Sample PI control √ √ √
Batch PID control √ √ √
Feedforward control √ √ √
√:
Available,N/A:
Notavailable
The following table shows combination of control type (CNT) and control mode (CTLM).
Control type
Controlmode(CTLM)
SGL CAS1 CAS2 CAS BUA PVSW PVSEL PVHD
PID control √ √*1 √ √ √ √ √ √
ON/OFF control
(1 point of hysteresis)
√*1 N/A N/A N/A N/A N/A N/A N/A
ON/OFF control
(2 points of hysteresis)
√*1 N/A N/A N/A N/A N/A N/A N/A
Two-position two-level control √*2 N/A N/A N/A N/A N/A N/A N/A
Heating/cooling control √*2 N/A √*2 √*2 √*2 √*2 √*2 √*2
Sample PI control √ N/A N/A N/A N/A √ √ √
Batch PID control √ N/A N/A N/A N/A √ √ √
Feedforward control √ N/A N/A N/A N/A N/A N/A √
√:
Available,N/A:
Notavailable
*1: Cannot be selected for Position proportional type.
*2: Can be selected only for Heating/cooling type.
The following table shows combination of control type (CNT) and output type.
Control type
Outputtype
Current
output
T
ime

proportional
output
ON/OFF
output
Position
proportional
output
PID control √ √ N/A √
ON/OFF control
(1 point of hysteresis)
√ N/A √ N/A
ON/OFF control
(2 points of hysteresis)
√ N/A √ N/A
Two-position two-level control √ N/A √ N/A
Heating/cooling control √ √ √ N/A
Sample PI control √ √ N/A √
Batch PID control √ √ N/A √
Feedforward control √ √ N/A √
√:
Available,N/A:
Notavailable
► Output type: 10.1 Setting Control Output Type