9
DEVICE EXPLANATION
9
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9.2 Internal User Devices
9.2.4 Latch relay (L)
(4) Procedure for external outputs
Outputs (Y) are used to output sequence program operation results to an external
destination.
POINT
1. Internal relays (M) should be used when a latch (memory backup) is not
required.( Section 9.2.3)
2. For latch clear, the latch clear disabled range can be set to each device in the
device setting of the PLC parameter dialog box.( Section 6.3)
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