Execution Condition Switching; Loop Run/Stop; Chapter 5 Execution Condition Switching And Functions - Mitsubishi MELSEC-Q series Programming Manual

CHAPTER 5
5.1

Execution Condition Switching

5.1.1

Loop RUN/STOP

If any loop component such as a detector or operation end other than the programmable controller fails, each loop can be run/
stopped to perform the maintenance of the corresponding loop.
The "SPA" bit of the alarm detection (ALM) is used to run/stop the corresponding loop.
(1) Basic operation during loop STOP
(a) Output status hold (The S.2PID instruction is output = 0)
(b) Alarm No detection (Process alarm)
(c) Make the control mode MAN.
EXECUTION CONDITION SWITCHING
AND FUNCTIONS
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