ABB RELION 620 Series Operation Manual page 132

Section 8
Commissioning
124
Depending on the communication protocol, the serial driver software receives single
characters or complete protocol frames, based on the frame start/stop characters or on
timing.
Monitoring data for a COM channel can be divided into basic and detailed diagnostic
counters.
Table 24: Monitoring data for a COM channel
Parameter Range
Characters 0...2147483646
received
Frames received 0...2147483646
Frames discarded 0...2147483646
Frames transmitted 0...2147483646
CD Lost 0...2147483646
Collision 0...2147483646
CTS Timeout 0...2147483646
Transmission 0...2147483646
timeout
Parity errors 0...2147483646
Overrun errors 0...2147483646
Framing errors 0...2147483646
Link status 1
Whether all diagnostic counters are relevant depends on the communication hardware and
communication protocol.
Type Description
Basic Number of separate characters received.
Basic Number of successfully received complete
frames.
Basic Number of frames discarded.
Basic Number of frames transmitted.
Detailed Number of carrier-detect signal lost during
receive.
Detailed Number of collisions detected.
Detailed Number of clear-to-send signal timeout
errors.
Detailed Number of transmission timeout errors.
Detailed Number of character parity errors detected.
Detailed Number of character overrun errors detected.
Detailed Number of character overrun errors detected.
1 = Reset counters (by entering 1 the
diagnostic counters are reset)
1MAC456939-IB D
620 series ANSI
Operation Manual