YOKOGAWA UT55A User Manual

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IM 05P01C31-01EN
6.7 SwitchingOperationModes
6.7.1 SwitchingbetweenAUTOandMAN
DirectOperationbyA/MKey
Operation
MAN lamp is lit in MAN mode.
Each time you press the key,
AUTO and MAN is switched alternately.
Description
AUTO/MAN switching can be performed by any of the following:
(1) A/M key
(2) Contact input (status or edge)
(3) Communication
(4) User function key
AUTO MAN
When the contact input (status) is ON, operation cannot be performed by keystroke or
communication.
When the contact input is OFF, and the setting is switched by keystroke or
communication, the last switching operation is performed.
► Switchbycontactinput:12.1SettingContactInputFunction
► Switchbyuserfunctionkey:13.2AssigningFunctiontoUserFunctionKeyandA/Mkey
Switch Outputaction
AUTO→MAN
Holds the control output value from AUTO mode.
The control output value can be bump to the manual preset output value by the
setting of parameter MPO.
The output value can be changed in manual mode.
MAN→AUTO
The control output value does not bump (bumpless). Does not work when
Integraltime(I)=OFF.
► SwitchfromAUTOto
MAN,andMPON:10.12.2SettingOutputValueWhenSwitchedtoMAN
Mode (Manual Preset Output)

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English