Rockwell Automation 9330-CC ControlGuardian User's Guide - Manual (Page 118)

Using Network Diagnostics
8-9
Table 8.F
PLC-5/11, -5/20, -5/30, -5/40, -5/40L, -5/60, -5/60L, -5/80 Diagnostic Counters
Counter: Tells you the number of:
Messages Sent Messages sent by the station
Messages Sent with Error Messages sent by the station with an error
Messages Received Messages received without error
Messages Received with Error Messages the station has received with error
Messages Unable to Receive Messages the station could not receive due to lack of memory
Send Data Acknowledged
Received SDA messages that the station received
Received but Full SDA messages the station could not receive due to lack of memory
Received
Retransmission
Retransmitted SDA messages
Received SAP Off SDA messages that the station received but could not process because the station’s service
access point was off
Received with Error SDA messages the station has received with error
Transmit NAK Misc Undefined NAKs that the station received
Transmit Failed SDA messages that the station failed to send
Transmit Timeout SDA messages that have to be retransmitted
Transmit NAK Full Times a message was not acknowledged because there was not enough memory to receive
it
Transmit NAKed SAP SDA messages that were successfully sent to but were not acknowledged by the addressed
station because its service access point was off
Transmit Confirm SDA messages that were successfully sent to and acknowledged by the addressed station
Transmit not ACKed SDA messages that were successfully sent to, but not acknowledged by, the
addressed station
Send Data Acknowledged
Received SDN messages received
Transmit Failed SDA messages the station failed to send
Transmit Confirm SDA messages successfully transmitted
SDA/SDN Retrans:
Duplicate Node
Times the station has detected a duplicate station address
Claims Lost Times the station has lost the network token
Network Dead Times the station has not heard activity on the network
Claims Won Times the station has won the network token
Dropped Token Times that no station on the network has the token
Linear Ccan Failed Times the station failed to find other stations on the link
Token Retry Times the station could not find a successor for the network token
Solicit Rotations Times the station relinquished (to a successor) the right to solicit for ring members
Started Linear Scan Time the station started to scan the network looking for another station
New Successor Times the station found a new successor for the token
Token Failed Times the station could not pass the token to a successor