Type 8 - termination of general interrogation, Type 9 - measurands ii, Type 6 - time synchronization – ProSoft Technology MVI46-103M User Manual
Page 171
Reference MVI46-103M
♦ SLC Platform
IEC 60870-5-103 Master Communication Module
ProSoft Technology, Inc.
Page 171 of 187
September 12, 2006
Bytes Description
Spec
7 7-Octet
binary
time
7.2.6.29
Type 8 - Termination of general interrogation
Bytes Description
Spec
1
Value of 8
1 0x81
1 COT
1
Common address of ASDU
1 Function
Type
1 Information
number
1
SCN (scan number 0-255) 7.2.6.21
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.
7.8.7 Definition
and
Presentation Of ASDU'S In Control
Direction
Type 6 - Time synchronization
Bytes Description
Spec
1
Value of 6
1 0x81
1 COT