Mitsubishi Electric M800VW Series Programming Manual page 564

M800V/M80V Series PLC Programming Manual (2/2)
13 Spindle Control
13.12 Guide Bushing Spindle Synchronization
Explanation of operation
[Timing chart of G/B spindle synchronization position error compensation 1]
(Compensation signal ON at chuck close, and the signal turns OFF at chuck open [Keep position error compensation amount
signal OFF])
Signal from PLC to CNC
(a) G/B spindle
synchronization valid
(GBON)
(b) G/B spindle synchronization:
position error compensation
(GBCMON)
(c) G/B spindle synchronization:
keep position error
compensation amount signal
(GBCMKP)
Signal from CNC to PLC
(d) G/B spindle synchronization:
position error compensating
(GBPCM)
Machine-specific signal
(e) Chuck close of
reference spindle
(f) G/B spindle
synchronization position
error compensation
amount
[Timing chart of G/B spindle synchronization position error compensation 2]
(Compensation signal ON at chuck close, and the signal turns OFF at chuck open [Keep position error compensation amount
signal ON])
Signal from PLC to CNC
(a) G/B spindle
synchronization valid
(GBON)
(b) G/B spindle synchronization:
position error compensation
(GBCMON)
(c) G/B spindle synchronization:
keep position error
compensation amount signal
(GBCMKP)
Signal from CNC to PLC
(d) G/B spindle synchronization:
position error compensating
(GBPCM)
Machine-specific signal
(e) Chuck close of
reference spindle
(f) G/B spindle
synchronization position
error compensation
amount
1 cycle
Position error compensation amount
1 cycle
Position error compensation amount
543
1 cycle
Turns OFF during measuring position
error compensation amount
1 cycle
Time
Time
IB-1501668-B