Decoded M Signals (M0 To M99); Transferred T Functions; Transferred M Functions - Siemens SINUMERIK 808D ADVANCED Commissioning Manual

17.7.2

Decoded M signals (M0 to M99)

Note
The signals are output for the duration of a PLC cycle.
DB2500 M functions from NCK channel [r]
NCK -> PLC interface
Byte Bit 7
1000
M7
1001
M15
1002
M23
...
1012
1013
1014
1015
As the PLC user, you must generate basic functions yourself from the dynamic M functions.
1)
The basic program decodes dynamic M functions (M0 to M99).
2)
17.7.3

Transferred T functions

DB2500 T functions from NCK channel [r]
NCK -> PLC interface
Byte Bit 7
2000
2004
2005
2006
2007
17.7.4

Transferred M functions

DB2500 M functions from NCK channel [r]
NCK -> PLC interface
Byte Bit 7
3000
3004
3008
3012
3016
3020
3024
3028
3032
Commissioning Manual
01/2017
1) 2)
Bit 6 Bit 5
M6 M5
M14 M13
M22 M21
Bit 6 Bit 5
Bit 6 Bit 5
Extended address M function 1 (byte)
Extended address M function 2 (byte)
Extended address M function 3 (byte)
Extended address M function 4 (byte)
Bit 4 Bit 3
Dynamic M functions
M4 M3
Dynamic M functions
M12 M11
Dynamic M functions
M20 M19
...
Dynamic M functions
M99
Bit 4 Bit 3
T function 1 (DINT)
Bit 4 Bit 3
M function 1 (DINT)
M function 2 (DINT)
M function 3 (DINT)
M function 4 (DINT)
M function 5 (DINT)
Bit 2 Bit 1
M2 M1
M10 M9
M18 M17
M98 M97
Bit 2 Bit 1
Bit 2 Bit 1
Bit 0
M0
M8
M16
M96
Bit 0
Bit 0
441