ProSoft Technology MVI69-103M User Manual
Page 112
MVI69-103M ♦ CompactLogix or MicroLogix Platform
Reference
IEC 60870-5-103 Master Communication Module
Page 112 of 131
ProSoft Technology, Inc.
November 3, 2008
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 to 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.
5.7.7 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