Siemens 7SR224 Technical Manual page 158

Information
Function Description
Number
200 201 CB 1 Trip & Lockout
200 252 Mode A - 3PTrip3PLO
200 253 Mode B - 1PTrip3PLO
200 254 Mode C - 1PTrip1PLO
200 255 Blocked by Interlocking
255 0 Time Synchronisation
255 0 GI Initiation
255 0 End of GI
Measurand
Information
Function Description
Number
Measurand I
183 148
Measurand Vx, Bus Freq, Phase Diff, Diff
Volts and Slip Freq (1.2 x)
183 216
Note – Phase difference is stored as -1 to +1
as a multiple of 180deg nominal
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V P, Q, F, V
L1,2,3, L1,2,3, L1-2,L2-3,L3-1
I (2.4 x)
L1
I (2.4 x)
L2
I (2.4 x)
L3
V (1.2 x)
L1
V (1.2 x)
L2
V (1.2 x)
L3
P (2.4 x)
Q (2.4 x)
F (1.2 x)
V (1.2 x)
L1 -2
V (1.2 x)
L2 -3
V (1.2 x)
L3 -1
7SR224 Argus Data Comms
Function
Cause of Transmission
Type
20 Ack, Nak
1 SE
20 Ack, Nak
1 SE, GI
20 Ack, Nak
1 SE, GI
20 Ack, Nak
1 SE, GI
20 Ack, Nak
1 SE,GI
6 Time Synchronisation
7 End of GI
8 End of GI
Function
Cause of Transmission
Type
Cyclic – Refresh rate 5
seconds or value change
9
greater than 1%
Cyclic – Refresh rate 5
9 seconds or value change
greater than 1%
Chapter 4 Page 24 of 76