ProSoft Technology 5105-103M-PDPS - Manual (Page 108)

Reference 5105-103M-PDPS ♦ ProLinx Gateway
User Manual IEC 60870-5-103 Master to PROFIBUS Slave Gateway
Page 108 of 144 ProSoft Technology, Inc.
November 24, 2010
TYPE 9: Measurands II
Bytes Description Spec
1 Value of 9
1 I = 1 to 9 for number of values
1 COT
1 Common address of ASDU
1 Function Type
1 Information number
2 Current L
1
7.2.6.8
2 Current L
2
7.2.6.8
2 Current L
3
7.2.6.8
2 Voltage L
1-E
7.2.6.8
2 Voltage L
2-E
7.2.6.8
2 Voltage L
3-E
7.2.6.8
2 Active power P 7.2.6.8
2 Reactive power Q 7.2.6.8
2 Frequency f 7.2.6.8
Value of I determines number of parameters passed in the message with a range
of 1 to 9 but always starts with the L
1
value.
Definition and Presentation of ASDUs in Control Direction
TYPE 6: Time synchronization
Bytes Description Spec
1 Value of 6
1 0x81
1 COT
1 Common address of ASDU
1 Function Type = GLB (255)
1 Information number
7 7-Octet binary time 7.2.6.29
TYPE 7: Initiation of general interrogation
Bytes Description Spec
1 Value of 7
1 0x81
1 COT
1 Common address of ASDU
1 Function Type = GLB (255)
1 Information number
1 SCN (scan number 0 to 255) 7.2.6.21