YOKOGAWA UTAdvanced UT55A, Руководство пользователя

Страница: 105 / 476

6-40
IM 05P01C31-01EN
6.8 Manipulating Control Output during Manual Operation
Operation
Press the Up arrow key to increase
control output.
Press the Down arrow key to decrease
control output.
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.
Description
In MAN mode, the control output is manipulated by direct key operation. (The value
changed using the Up or Down arrow key is output as is.)
Manipulation of the control output is not possible in STOP mode (the STOP 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.
Sub-setting-side OUT Display in Two-position two-level control.
In Two-position two-level control, main setting-side output can be manipulated
individually. Control output limiter is disabled as well as a case of ON/OFF 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)