Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual User Manual
Page 189
Error Reporting
Chapter 7
7Ć34
41. Number of messages with incorrect network address.
42. 16-bit count of messages sent by command initiator.
43. Not used.
44. 16-bit count of commands received by command executor.
45. Not used.
46. 16-bit count of replies sent by command executor.
47. Not used.
48. 16-bit count of replies received by command initiator.
49. Not used.
50. Number of breaks sent to IT.
51. Number of resynchs sent to PC.
1775ĆKA Diagnostic Counters
DATA HIGHWAY PORT
0.
Bad CRC on acknowledgment.
1.
No acknowledgment before timeout occurred.
2.
Contention (while master, detected message transmission by another
station).
3.
Acknowledgment contained an error.
4.
Returned message (local errors and lost replies).
5.
Waits (no “receive” buffer space at destination station).
6.
Poll timeout (master failed).