9
DEVICE EXPLANATION
9.2 Internal User Devices
9.2.9 Step relay (S)
9
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9
Device Explanation
10
CPU Module Processing
Time
11
Procedure for Writing
Program to CPU Module
AppendicesIndex
9.2.9 Step relay (S)
Step relays are devices for SFC programs.
Refer to the following manual for how to use the step relays.
QCPU (Q Mode)/QnACPU Programming Manual (SFC)
POINT
Because the step relay is a device exclusively for the SFC program, it cannot be
used as an internal relay in the sequence program.
If used in this manner a SFC error will occur, and system operation will be stopped
(system down).
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