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12. Appendix E: Profibus-DP Data and Diagnostics
For the LUFP7 gateway default configuration, the following response is received from the TSX PBY 100 coupler:
Bytes Name Value Bytes Name Value
0 Configured
16#01
8 Diagnostic data size
16#06
1 Operating
16#01
9 Compact diagnostic
16#00
2-3 Number of %IW
16#0010
10 Diagnostic counter (1)
16#0A
4-5 Number of %QW
16#0010
11 Exchange counter (1)
16#02
6 Input data size
16#20
12 Unavailability counter (1)
16#03
7 Output data size
16#20
13 Invalid response counter (1)
16#02
(1) The values of all four counters vary while the coupler and gateway are operating. These are modulo 256 counters, i.e.
their values loop back from 255 to 0.