Technical data

Structure of the DP station list (ANR 202)
The DP station list has a length of 16 bytes (128 bits). Each bit of the DP
station list corresponds to one of the possible station addresses on the bus
of the DP slave stations.
Structure of the DP diagnostic list (ANR 209)
The DP diagnostic list has a length of 16 bytes (128 bits). Each bit of the
DP diagnostic list corresponds to one of the possible station addresses on
the bus of the DP slave stations.
15
76543210
120 127 *)
0
1
76543210
76543210
01234567
8 9 10 11 12 13 14 15
2 - 14
16 - 119
Byte
Bit
Station
address
*) The first and last two bits in the station list are not relevant, since the permitted
station address on the L2 bus must be in the range 1-125
124
Fig. 17.11 Structure of the DP Station List
15
76543210
120 127 *)
0
1
76543210
76543210
01234567
8 9 10 11 12 13 14 15
2 - 14
16 - 119
Byte
Bit
Station
address
124
*) The first and last two bits in the station list are not relevant, since the permitted
station address on the L2 bus must be in the range 1-125
Fig. 17.12 Structure of the DP Diagnostics List
B8976060/02 Appendix
17 - 19 Volume 1