User`s manual

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MELSEC-Q
8 I/O CONTROL INSTRUCTIONS
(3) Loop stop processing
(a) Setting 1 in SPA of the alarm detection (ALM) selects a loop stop.
A loop stop performs the following processing and terminates the S.MOUT instruction.
1) BW retains the last value.
2) The operation mode (MODE) is changed to MAN.
(b) Setting 0 in SPA of the alarm detection (ALM) selects a loop run.
A loop run performs "(1) Mode judgment".
ERROR
• When an operation error occurs Error code: 4100