Chapter 4 - Data Communications Definitions
© 2017 Siemens Protection Devices Limited Chapter 4 - Page 33 of 96
FUN INF Description ASDU COT
VAr
1
(2.4x) (Window 1%)
VAr
2
(2.4x) (Window 1%)
VAr
3
(2.4x) (Window 1%)
PF
1
(1.2x) (Window 1%)
PF
2
(1.2x) (Window 1%)
PF
3
(1.2x) (Window 1%)
than
Window x
%.
183 216
Measurand Vx, Bus Freq, Phase Diff, Diff Volts and Slip Freq
---
Vx (1.2x) (Window 0%)
Bus Freq (1.2x) (Window 0%)
Phase Diff (1.2x) (Window 0%)
Diff Volts (1.2x) (Window 0%)
Slip Freq (1.2x) (Window 0%)
---
Note - Phase difference is stored as -1
to +1 as a multiple of 180deg nominal
9
Cyclic -
Refresh
rate 5
seconds
or value
change
greater
than
Window x
%.
183 236
Measurand Max I
a,b,c,
V
an,bn,cn,
P, Q, V
ab,bc,ca
---
Ia Max (2.4x) (Window 1%)
Ib Max (2.4x) (Window 1%)
Ic Max (2.4x) (Window 1%)
Van Max
1
(1.2x) (Window 1%)
Vbn Max
2
(1.2x) (Window 1%)
Vcn Max
3
(1.2x) (Window 1%)
P Max (2.4x) (Window 1%)
Q Max (2.4x) (Window 1%)
Vab Max (1.2x) (Window 1%)
Vbc Max (1.2x) (Window 1%)
Vca Max (1.2x) (Window 1%)
---
Voltages only supported on 7SR1915/6
9
Cyclic -
Refresh
rate 5
seconds
or value
change
greater
than
Window x
%.
3.4.3 Disturbance Recorder Actual Channel (ACC) Numbers
The following Disturbance Recorder channel numbers apply to this device.
FUN ACC Description
182
1
V1
182
2
V2
182
3
V3
182
4
Vx
182
5
Ia
182
6
Ib
182
7
Ic
182
8
Ig1
182
9
Ig2
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