Cause Of Transmission - Siemens Argus 7SR21 Technical Manual

7SR220 Technical Manual

3.2 Cause of Transmission

The cause of transmission (COT) column of the
transmission for these frames. The following abbreviations are used:
Abbreviation Description
SE spontaneous event
T test mode
GI general interrogation
Loc local operation
Rem remote operation
Ack command acknowledge
Nak Negative command acknowledge
Note: Events listing a GI cause of transmission can be raised and cleared; other events are raised only.
Chapter 4 - Page 20 of 96
"Information Number and Function"
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table lists possible causes of