8 OPR CONTROL
Machine OPR start
(Positioning start signal)
OPR request flag
[ Md.31 Status : b3]
OPR complete flag
[ Md.31 Status : b4]
Deviation counter clear output
Md.26 Axis operation status Standing by
Md.34 Movement amount
after near-point dog ON
Md.20 Current feed value
Md.21 Machine feed value
Fig. 8.9 Operation when the zero signal is input before the stop at the stopper
(3) If the zero signal is input before the workpiece stops at the stopper, the workpiece
will stop at that position, and that position will be regarded as the OP.
V
Pr. 46 OPR speed
Zero signal
Torque limit
Near-point dog OFF
ON
OFF
ON
OFF
OFF
In OPR
Inconsistent
0
Inconsistent
Value the machine moved is stored
(4) Machine OPR started while the near-point dog is ON will start at the "
speed".
(5) When a machine OPR is stopped with the stop signal, perform a machine OPR again.
If the restart command is turned ON after a stop with the stop signal, an error "OPR
restart not possible" (error code: 209) occurs.
Pr. 47 Creep speed
Valid torque limit range
ON
8 - 13
MELSEC-Q
Stops at stopper
t
ON
Pr.55 Deviation counter clear signal
output time
Standing by
OP address
Pr.47
Creep