34
memory (V-data), and some other data. Fur-
ther, part of the data can be altered by com-
mands given over the SPA bus.
Data
Channel Code
Data
Values
direction
Current on phase L
1
(x I
n
)
0
I1
R
0.00…1.50 x I
n
(opt. 1, 2 or 3)
Current on phase L
2
(x I
n
)
0
I2
R
0.00…1.50 x I
n
(opt. 1, 2 or 3)
Current on phase L
3
(x I
n
)
0
I3
R
0.00…1.50 x I
n
(opt. 1, 2 or 3)
Voltage U
12
(x U
n
)
0
I4
R
0.00…1.50 x U
n
(opt. 1, 2 or 3)
Voltage U
23
(x U
n
)
0
I5
R
0.00…1.50 x U
n
(opt. 1, 2 or 3)
Voltage U
31
(x U
n
)
0
I6
R
0.00…1.50 x U
n
(opt. 1, 2 or 3)
Active power (bits)
0
I7
R
-1023…1023 bits (opt. 1, 2 or 3)
Reactive power (bits)
0
I8
R
-1023…1023 bits (opt. 1, 2 or 3)
Current on phase L
1
(A)
0
I11
R
0…9999 A (opt. 1, 2 or 3)
Current on phase L
2
(A)
0
I12
R
0…9999 A (opt. 1, 2 or 3)
Current on phase L
3
(A)
0
I13
R
0…9999 A (opt. 1, 2 or 3)
Voltage U
12
(kV)
0
I14
R
0.00…999.99 kV (opt. 1, 2 or 3)
Voltage U
23
(kV)
0
I15
R
0.00…999.99 kV (opt. 1, 2 or 3)
Voltage U
31
(kV)
0
I16
R
0.00…999.99 kV (opt. 1, 2 or 3)
AR start signal AR1
0
I21
R
0=not active
1=active
AR start signal AR2
0
I22
R
0=not active
1=active
AR start signal AR3
0
I23
R
0=not active
1=active
Internal ARINH signal
0
I24
R
0=not active
1=active
Object status
1…7
I1
R
0=undefined (inputs 00)
1=closed
2=open
3=undefined (inputs 11)
Closed status of an object
1…7
I2
R
0=not closed
1=closed
Open status of an object
1…7
I3
R
0=not open
1=open
Status of inputs 8…17
8…17
I1
R
0=not active
1=active
AR cycle1 in progress
0
O1
R
0=not in progress
1=in progress
AR cycle 2 in progress
0
O2
R
0=not in progress
1=in progress
AR cycle 3 in progress
0
O3
R
0=not in progress
1=in progress
AR cycle 4 in progress
0
O4
R
0=not in progress
1=in progress
AR cycle 5 in progress
0
O5
R
0=not in progress
1=in progress
AR in progress
0
O10
R
0=AR not in progress
1=AR cycle 1 in progress
2=AR cycle 2 in progress
3=AR cycle 3 in progress
4=AR cycle 4 in progress
5=AR cycle 5 in progress
Serial communica-
tion parameters
(modified 96-12)
Apart from the event codes the substation level
data communicator is able to read, over the SPA
bus, all input data (I-data) of the module, setting
values (S-data), information recorded in the
