Technical Appendix
SINUMERIK 802C base line
6-29
Start-Up
Signals from axis
3900...3903
Data block
Signals from axis [r]
Interface CNC -----> PLC
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
390x1000
(axis)
390x1001
(axis)
390x1002
(axis)
Lubrica-
tion pulse
390x1003
(axis)
Signals from spindle
3903
Data block
Signals from spindle [r]
Interface CNC -----> PLC
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Set gear stage
39032000 Change
gear
(spindle) C B A
Actual
direc-
tion
Spindle Set Set Speed
39032001 of
rotation
within set speed speed limit
(spindle) CW range increased limited exceeded
Active spindle mode Tapping
39032002 Control Recipro-
cating
Position-
ing
without
compen-
sating
(spindle) mode mode mode chuck
39032003
(spindle)