Toshiba LC531 Series Instruction Manual page 36

Chapter 1 Overview of Single-Loop Controller LC531/LC532
(2) MV Manual operation pushbutton
Manipulated variable output can be changed by this switch in the M mode.
If
(speed) becomes FAST.
(3) SV setting pushbutton
At the time of
If
(speed) becomes FAST.
If "SV setting prohibited in
changed. For SV setting prohibition, refer to "Appendix E.2 Tag Variables (PV,
LP, PB) ".
(4) PV bar graph
This bar-graph indicates PV[%] with 1% resolution. Underflow and overflow
indication points are provided.
To change the speed of this operation, refer to (11) FAST/SEL pushbutton.
(5) SV bar graph
This bar graph indicates SV[%] with 1% resolution. Like the PV indicator bar
graph, this bar graph can indicate SV value for loops 1 to 8.
If a process high/low alarm occurs, the normal bar graph range blinks. In
addition, using
and high/low alarm set points (PH/PL) can be displayed. For details, refer to
Item (11) FAST/SEL pushbutton.
(6) MV bar graph
This bar graph indicates the manipulated variable 0 to 100% with 2% resolution.
Underflow and overflow indication points are provided. Regardless of the type of
the valve used (valve direct/reverse action), the valve position, whether the
valve is open.
(7) HALT display
Normally, the HLT display is off. ON display or blinking display indicates an error.
For details, refer to "Chapter 7 Troubleshooting".
16
6F8C1388
means OPEN, means CLOSE operation.
and or and
mode operation without SV change prohibition, or in the
mode operation, the SV set point value can be changed by this pushbutton.
and or and
switch, this blinking can be stopped (alarm confirmation)
are pressed together, the rate-of-change
are pressed together, the rate-of-change
mode" is set, the SV setting value cannot be