Mitsubishi Melsec-Q QD75D1, User Manual

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MELSEC-Q
8 OPR CONTROL
The following shows the external I/O signals used for machine OPR.
Signal required for control
Pr.43
OPR method
Near-point
dog
Zero signal
Upper/lower
limit switches
Deviation counter
clear output
Torque limit
Near-point dog mechod –
Stopper method 1)
–
Stopper method 2)
Stopper method 3)
–
Count method 1)
–
Count method 2)
– – –
: Necessary : Necessary as required -: Unnecessary
REMARK
Creep speed
The stopping accuracy is poor when the machine suddenly stops from fast speeds. To
improve the machine's stopping accuracy, its must change over to a slow speed before
stopping. This speed is set in the "
Pr.47 Creep speed".