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Diagnostics
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Figure 5.5. - Status monitoring - Transactions
The Transactions tab displays the statistics associated with the following:
o
DF1 messages
o
PCCC messages (Bridge and Scheduled Tag Mode)
o
Logix Tag Mapping (DF1 Slave and Scheduled Tag Mode)
Statistic
Description
Tx Packet Count
The number of DF1 packets sent by the module.
Rx Packet Count
The number of DF1 packets received by the module.
Checksum errors
The number of corrupted DF1 packets received by the module.
STX count
The number of DF1 STX (Start of Text) delimiters received by the module.
SOH count
The number of DF1 SOH (Start of Header) delimiters received by the module.
NAK count
The number of NAK (Negative Acknowledge) DF1 packets received by the module.
ACK count
The number of ACK (Acknowledge) DF1 packets received by the module.
ENQ count
The number of ENQ (Enquiry) DF1 packets received by the module.
Unknown count
The number of unknown packets received by the module.
Parity errors
The number of bytes with parity errors received by the module.
Duplicate packet count
The number of duplicate packets received by the module.
Table 5.3 – DF1 statistics