14
1MRS750881-MUM
Remote Monitoring and Control Unit
Technical Reference Manual
REC 523
3.2.
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
REC 523
03
2/037
AAA
, CAA
03
3/038
AAA
, CAA
03
4/039
AAA
, CAA
05
4/059
AAA
, CAA
a
a. The HW versions 054/059 AAA, CAA is only included in REC 523 revision F.
06
0/065
AAC
, CAC
b
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.
06
1/066
AAA
, CAA
b
06
2/067
AAA
, CAA
b
Analogue interface
Sensor channels
Current sensor
-
-
-
-
9
-
-
Voltage divider
-
-
-
-
-
-
Transformers
Current Transformer 0.2/1 A
-
-
-
1
-
-
-
Current Transformer 1/5 A
3
3
4
4
-
6
3
Voltage Transformer 100 V
-
3
-
4
-
3
6
Voltage Transformer 230 V
-
-
3
-
-
-
-
Digital inputs
15
15
15
15
15
15
15
Power outputs, double-pole
2
2
2
2
2
2
2
Signal outputs (NO)
3
3
3
3
3
3
3
Signal outputs (NO/NC)
4
4
4
4
4
4
4
IRF outputs
1
1
1
1
1
1
1
