ABB REJ 523 Technical Reference Manual page 47

ABB Substation Automation
Products and Systems
1MRS750940-MUM
Technical Reference Manual
Input and output signals
The measured currents and the status of the binary input signal can be read (R) with
parameters I1...I4. When the value of parameter I4 is 1, the binary input is energized.
Table 4.1.9.3-9 Inputs
Information
Current measured on phase L1
Current measured on phase L2
Current measured on phase L3
Binary input signal BI
Each protection stage has its logical output signal. These signals can be read (R) with
parameters O1...O4. The state of the output contacts can be read (R) or changed (W)
with parameters O5...O8. Functions indicated by parameters O1...O8 are recorded
and they can be read with parameters O21...O28.
Table 4.1.9.3-10 Output signals
Status of the protection
stages
Starting of stage I>
Tripping of stage I>
Starting of stage I>>
Tripping of stage I>>
Table 4.1.9.3-11 Outputs
Operation of output
contacts
Output PO1
Output PO2
Output SO1
Output SO2
Enable of output contacts
PO1, PO2,
SO1 and SO2
Parameters (R)
I1
I2
I3
I4
State of stage Recorded
(R) functions (R)
O1
O2
O3
O4
State of output Recorded
(R,W,P) functions (R)
O5
O6
O7
O8
O41
REJ 523
Value
0...50 x I
0...50 x I
0...50 x I
0 or 1
Value
O21 0 or 1
O22 0 or 1
O23 0 or 1
O24 0 or 1
Value
O25 0 or 1
O26 0 or 1
O27 0 or 1
O28 0 or 1
- 0 or 1
n
n
n
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