Siemens SINUMERIK 802S Start-Up page 129

Decoded M signals (M0 – M99)
2500
Data block
Byte Bit 7
25001000
M7
25001001
M15
25001002
M23
25001012
25001013
25001014
25001015
Notes:
+ Static M functions must be generated by the PLC user from the dynamic M functions.
+ Dynamic M functions are decoded by the basic program (M00 to M99).
Transferred T functions
2500
Data block
Byte Bit 7
25002000
SINUMERIK 802S
6FC5 597–2AA00–0BP2 (01.02)
M functions from NCK channel [r]
Bit 6 Bit 5
Dynamic M functions
M6 M5
Dynamic M functions
M14 M13
Dynamic M functions
M22 M21
Dynamic M functions
T functions from NCK channel [r]
Bit 6 Bit 5
T function 1 (DINT)
6.2
Interface NCK
Bit 4 Bit 3 Bit 2
M4 M3 M2
M12 M11 M10
M20 M19 M18
...
...
...
M99 M98
Interface PLC
Bit 4 Bit 3 Bit 2
Technical Appendix
PLC user interface signals
Bit 1 Bit 0
M1 M0
M9 M8
M17 M16
M97 M96
Bit 1 Bit 0
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