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MELSEC-Q
12 CONTROL SUB FUNCTIONS
[4] Using the step operation
The following shows the procedure for checking positioning data using the step
operation.
(1) Turn ON the step valid flag before starting the positioning data.
(Write "1" (carry out step operation) in "
Cd.35
Step valid flag".)
(2) Set the step mode before starting the positioning data.
(Set in "
Cd.34
Step mode".)
(3) Turn ON the positioning start signal, and check that the
positioning control starts normally.
(4) The control will stop for the following reasons.
a) One step of positioning stopped normally. (Go to step (6))
b) Control stopped by a stop signal (Take appropriate measures, go to
step (5))
c) An error occurred and the control stopped. (Take appropriate
measures, go to step (3))
(5) Write "1" (restart) to "
Cd.6
Restart command", and check that
the positioning data where the control stopped operates
normally. (Go to (4)).
(6) Write "1" (step continue) to "
Cd.36
Step start information", and
check that the next positioning data operates normally.
a) One step of positioning stopped normally. (Go to step (6))
b) Control stopped by a stop signal (Take appropriate measures, go to
step (5))
c) An error occurred and the control stopped. (Take appropriate
measures, go to step (3))
d) All positioning data operated normally (Go to step (7))
(7) Turn OFF the step valid flag, and quit the "step function".
(Write "0" (do not carry out step operation) in "
Cd.35
Step valid flag".)