YOKOGAWA UTAdvanced UT55A, User Manual

Page: 299 / 476

12-2
IM 05P01C31-01EN
Switch to MAN (MAN)
The mode can be switched to MAN using contact input. (Switch by the rising edge)
Contact status Operation Remark
OFF→ON Switch to MAN –
ON→OFF Maintains the current operation status –
Switch to REMOTE (REM)
The mode can be switched to REMOTE using contact input. (Switch by the rising edge)
Contact status Operation Remark
OFF→ON Switch to REMOTE –
ON→OFF Maintains the current operation status –
In Cascade control, the LP2 lamp is lit while the Loop-2 parameter is displayed.
Switch to LOCAL (LCL)
The mode can be switched to LOCAL using contact input. (Switch by the rising edge)
Contact status Operation Remark
OFF→ON Switch to LOCAL –
ON→OFF Maintains the current operation status –
In Cascade control, the LP2 lamp is lit while the Loop-2 parameter is displayed.
Auto-tuning START/STOP Switch (AT)
Auto-tuning START/STOP can be switched using contact input.
Auto-tuning is executed to the PID group currently specified. (Switch by the rising edge
and the falling edge)
Contact status Operation Remark
OFF→ON Starts auto-tuning –
ON→OFF Stops auto-tuning –
Output Tracking Switch (TRK)
Output tracking can be switched using contact input. (Status switch)
Contact status Operation Remark
ON Turns the output tracking on –
OFF Turns the output tracking off –
Can be used in Cascade primary-loop control or Loop control for backup.
PV Switch (SW)
Two PV inputs can be switched using contact input. (Status switch)
Contact status Operation Remark
ON Switches to input 2 –
OFF Switches to input 1 –
Can be used in Loop control with PV switching.
12.1 Setting Contact Input Function