YOKOGAWA UTAdvanced UP55A, User Manual

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6-61
IM 05P02C41-01EN
Monitoring and Control of Regular Operations
6
6.11 Manipulating Control Output during Manual Operation
Operation
In Heating/cooling control,
press the Up arrow key to decrease cooling-side control output and to increase heating-side control output;
press the Down arrow key to increase cooling-side control output and to decrease heating-side control output.
MAN lamp is lit.
Direct key method
The value specified by the Up and
Down arrow keys is output as is.
Press the Up arrow key to increase
the control output.
Press the Down arrow key to
decrease the control output.
SET/ENT key method
Set the control output on the setting
display and press the SET/ENT key to
confirm the value to output it.
Description
In manual operation mode, you can use the direct key method or the SET/ENT key
method to control the output value.
Manipulation of the control output is not possible in RESET mode (the RST lamp is lit).
Output manipulation differs depending on the ON or OFF setting of the control output
limiter (OH, OL).
► 10.4 Disabling Output Limiter in MAN mode
OUT Display
Feedback input value is displayed in Position proportional control.
Heating/cooling OUT Display
The heating/cooling control output is manipulated simultaneously on both the heating
and cooling sides.
In MAN mode, the display is as follows. The symbol “C” represents the cooling side, and
“H” the heating side. The value on the right of each symbol is the output value.
When the control output low limit is set to “SD” while the control output type is 4 to 20
mA, the control output value can be lowered down to 0 mA.
► 10.6 Reducing 4-20 mA Current Output to 0 mA (Tight Shut Function)