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REC 523
3.2.
14
Remote Monitoring and Control Unit
Technical Reference Manual
Hardware versions
The REC 523 unit is available in several versions with varying hardware equipment
corresponding to different uses in the distribution network (such as branch, normal
open point, and so on) of the REC 523 unit. See the following table.
Table 3.2.-1
REC 523 hardware versions
HW versions
Analogue interface
Sensor channels
Current sensor
Voltage divider
Transformers
Current Transformer 0.2/1 A
Current Transformer 1/5 A
Voltage Transformer 100 V
Voltage Transformer 230 V
Digital inputs
Power outputs, double-pole
Signal outputs (NO)
Signal outputs (NO/NC)
IRF outputs
a. The HW versions 054/059 AAA, CAA is only included in REC 523 revision F.
b.
Not included in REC 523 revisions A and B. Note also that the HW versions 031/036 AAC, CAC
were only included in REC 523 revisions A and B.
REC 523
-
-
-
-
-
-
-
-
-
-
-
1
3
3
4
4
-
3
-
4
-
-
3
-
15
15
15
15
2
2
2
2
3
3
3
3
4
4
4
4
1
1
1
1
1MRS750881-MUM
-
-
9
-
-
-
-
-
-
6
3
-
3
6
-
-
-
15
15
15
2
2
2
3
3
3
4
4
4
1
1
1
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