Toshiba LC531 Series Instruction Manual page 37

1.2 Names and Functions of the LC531/LC532
(8) ALARM display
Normally, the ALM display is off. ON display indicates a process alarm or error
state. For details, refer to "Chapter 7 Troubleshooting".
(9) CMP display
Normally, the CMP display is off. ON display indicates a computer intervention
state or error state. For details, refer to "Chapter 7 Troubleshooting".
(10) Numeric display and other numerical information display
The numeric display shows the PV value, SV value, and MV value alternately.
The PV values and SV values are in engineering value display, and MV values
are in % display (displayed digits: 5).
The current display can be checked with (16) Status display. The current loop
value can be checked with (13) Loop number display.
For other numerical information display, refer to "Appendix B.5 Special Display
in the Numerical Display Area".
(11) FAST/SEL pushbutton
If this button is used simultaneously with the MV manual operation pushbuttons
( , ) or SV setting pushbuttons ( , ), the rate-of-change (speed)
becomes FAST.
When it is used alone, the SELECT/NORMAL modes are switched.
For details on operation of the pushbutton, refer to "Appendix B Details of
Loop Display Panel".
(12) Remote manual display
The input state of R.M Terminal part is displayed. (LC532 only)
(13) Loop number display
The corresponding loop number is displayed.
(14) Mode display
The selected mode , , or is displayed.
(15) FAST/SEL display
Selection of is displayed.
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Unified Controller nv Series Single-Loop Controller LC531/LC532 Instruction Manual