Technical Appendix
6.2 PLC user interface signals
6-122
SINUMERIK 802S
6FC5 597–2AA00–0BP2 (01.02)
6.2.3 NCK signals
2600 General signals to NCK [r/w]
Data block
Interface PLC –––––> NCK
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Protection level
26000000 Acknowl.
EMER-
EMER-
GENCY
4 5 6 7
GENCY
STOP
STOP
26000001 Request
remaining
distances
to go by
the axes
Request re-
maining ac-
tual dis-
tances to
go by the
axes
26000002
26000003
2700 General signals from NCK [r]
Data block
Interface NCK –––––> PLC
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
EMER-
27000000
GENCY
STOP
STOP
active
27000001
27000002 Drive
ready
Ambient NCK
27000003
tempera-
ture
alarm
present
ture
alarm
present