ProSoft Technology 5105-103M-PDPS - Manual (Page 100)

Reference 5105-103M-PDPS ♦ ProLinx Gateway
User Manual IEC 60870-5-103 Master to PROFIBUS Slave Gateway
Page 100 of 144 ProSoft Technology, Inc.
November 24, 2010
In Control Direction
Type Description
6 time synchronization
7 general interrogation
10 generic data
20 general command
21 generic command
24 order for disturbance data transmission
25 ack for disturbance data transmission
List of Cause of Transmission Codes
In Monitor Direction
COT Description
1 spontaneous
2 cyclic
3 reset frame count bit (FCB)
4 reset communication unit (CU)
5 start/restart
6 power on
7 test mode
8 time synchronization
9 general interrogation
10 termination of general interrogation
11 local operation
12 remote operation
20 positive ack of command
21 negative ack of command
31 transmission of disturbance data
40 positive ack of generic write command
41 negative ack of generic write command
42 valid data response to generic read command
43 invalid data response to generic read command
44 generic write confirmation
In Control Direction
COT Description
8 time synchronization
9 initiation of general interrogation
20 general command
31 transmission of disturbance data
40 generic write command
42 generic read command