Siemens SINUMERIK 802S Technical Manual page 114

Technical Appendix
3000
Data block
Byte Bit 7
30000000 Reset
30000001
30000002
30000003
3100
Data block
Byte Bit 7
31000000
31000001
6-20
Mode signals to CNC [r/w]
Interface PLC -----> CNC
Bit 6 Bit 5
Mode
Change
lock
Mode signals from CNC [r]
Interface CNC -----> PLC
Bit 6 Bit 5
Bit 4 Bit 3
Bit 4 Bit 3
READY
Active machine function
Bit 2 Bit 1
Mode
JOG MDA AUTOM.
Machine function
REF TEACH
IN
Bit 2 Bit 1
Active mode
JOG MDA AUTOM.
REF TEACH
IN
SINUMERIK 802S base line
Bit 0
Bit 0
Start-Up