YOKOGAWA UT55A User Manual

6-35
IM 05P01C31-01EN
MonitoringandControlofRegularOperations
6
OutputActioninCAS/AUTO/MANSwitch
Switch Outputaction
CAS→AUTO The control output value does not bump (bumpless).
CAS→MAN
The control output value bumps to the manual preset output value.
Or holds the control output value from CAS mode.
AUTO→CAS The control output value does not bump (bumpless).
AUTO→MAN
The control output value bumps to the manual preset output value.
Or holds the control output from AUTO mode.
MAN→AUTO The control output value does not bump (bumpless).
MAN→CAS The control output value does not bump (bumpless).
► Switchf
romAU
TOtoMAN:10.12.2SettingOutputValueWhenSwitchedtoMANMode(Manual
Preset Output)
Secondary-sideSPinCAS/AUTO/MANSwitch
Switch SecondarySPafterswitching
CAS→AUTO
SetsthetargetsetpointspeciedinSPnumberselection(SPNO.).
CAS→MAN
AUTO→CAS Sets the primary-side control output value as target setpoint.
AUTO→MAN
SetsthetargetsetpointspeciedinSPnumberselection(SPNO.).
MAN→AUTO
MAN→CAS Sets the primary-side control output as target setpoint.
OutputspecificationafterswitchingfromCASorAUTOtoMAN
The control output can be manipulated by keystroke or via communication in MAN mode.
LampStatus
Status MANlamp CASlamp
Cascade (CAS) Unlit Lit
Automatic operation (AUTO) Unlit Unlit
Manual operation (MAN) Lit Unlit
6.7SwitchingOperationModes

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English