Siemens SINUMERIK 802C base line Technical Manual page 117

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