Mitsubishi Electric MELSEC iQ-R-RD75P4 User Manual page 276

Step start request
The control stopped by a step operation can be continued by using Step start request. (Step start request is set in the control
data [Cd.36] Step start request.) Once accepted, the setting of [Cd.36] Step start request is automatically cleared.
The following table shows the results of starts using the step start request during the step operation.
Stop state in the step operation
The positioning of the step operation has
normally stopped.
The positioning of the step operation has
not normally stopped.
(due to stop signal or an error)
Step not possible (Warning code: 0996H) will occur and the step operation will not be continued if [Md.26] Axis operation
status is other than Step standby or Step valid flag is off when the step start request is set.
Using the step operation
The following figure shows the procedure for checking positioning data in the step operation.
Start
Turn on Step valid flag.
Set step mode.
Start positioning.
The operation
stopped with an error.
YES
One step of
the positioning is normally
YES
completed.
Restart positioning.
All positioning is completed.
YES
Continue the step operation.
Turn off Step valid flag.
7 CONTROL SUB FUNCTIONS
274
7.8 Function Related to Stop
[Md.26] Axis operation
status
Step standby
Stopped
Error
Write "1: Carry out step operation" in Cd.35 Step valid flag.
Set Cd.34 Step mode.
NO
NO
Write "1: Restart" in Cd.6 Restart command, and check that the stopped
positioning data operates properly.
NO
Write "1: Step continue" in Cd.36 Step start request, and check that
the next positioning data operates properly.
Write "0: Not carry out step operation" in Cd.35 Step valid flag.
End
[Cd.36] Step start request
1: Step continue
1: Step continue
Result of step starts
The next positioning data No. is
performed.
Step not possible (Warning code: 0996H)