Rockwell Automation RECOMM-485 RS485 DFI Communications Module - Manual (Page 40)

6-6 RS485 DF1 Communications Module
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8
9
10
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14 Datalink A1 In
Datalink A2 In
Datalink B1 In
Datalink B2 In
Datalink C1 In
Datalink C2 In
Datalink D1 In
Datalink D2 In The current value of the specified Datalink In
being transmitted to the host by the module. If the
module has not enabled the Datalink, the value is
0.
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21
22 Datalink A1 Out
Datalink A2 Out
Datalink B1 Out
Datalink B2 Out
Datalink C1 Out
Datalink C2 Out
Datalink D1 Out
Datalink D2 Out The current value of the specified Datalink Out
being received from the host by the module.
23 Field Flash Cnt The current value of the Field Flash Counter (that
is, the number of times this device has been flash
updated).
24 DPI Rx Errors The current value of the DPI CAN Receive Error
Counter register.
25 DPI Tx Errors The current value of the DPI CAN Transmit Error
Counter register.
26 Clear DF1 Counts Ready = No action.
Enable = Clears all DF1 counter parameters.
27 DF1 Packets Sent The number of DF1 packets sent by the
peripheral.
28 DF1 Packets Rcvd The number of DF1 packets received by the
peripheral.
29 Undelivered Msgs Reports the number of DF1 packets that were
sent by the peripheral, but not acknowledged.
30 ENQs Received Reports the number of ENQ requests received by
the peripheral.
31 NAK Bak Packet The number of responses received (BCC or CRC
calculated by peripheral did not match that in the
packet).
32 NAK No Memory The number of requests received by the
peripheral that could not processed due to
insufficient memory available to buffer the
incoming packet.
33 Duplicate Msgs The number of duplicate messages received by
the peripheral. A duplicate message is detected
when the SRC, TNS, and CMD files of two
consecutive messages are identical.
Table 6.5 – Module Diagnostic Items (Continued)
No. Event Description