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70
1MRS750881-MUM
Remote Monitoring and Control Unit
Technical Reference Manual
REC 523
7.3.2.
REC 523 with three current transformers
1
2
3
4
5
6
X7.3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
X3.1
1
2
X3.2
X7.1
1
2
Ch 2, CT1
Ch 3, CT2
Ch 4, CT3
1A
5A
1A
5A
1A
5A
X1.1
8
7
6
5
4
3
2
1
9
BIO1_3_BI1
BIO1_3_BI2
BIO1_3_BI3
BIO1_3_BI4
BIO1_3_BI5
BIO1_3_BI6
BIO1_3_BI7
BIO1_3_BI8
BIO1_3_BI9
BIO1_3_BI10
BIO1_3_BI11
BIO1_3_BI12
PSC_7_BI1
PSC_7_BI2
PSC_7_BI3
5
6
7
9
8
10
12
11
13
15
14
16
18
17
X3.2
3
4
BIO1_3_SO1
BIO1_3_SO2
BIO1_3_SO3
BIO1_3_SO4
BIO1_3_SO5
BIO1_3_SO6
LED PANEL
X7.2
IRF
5
3
4
X7.1
6
7
10
9
8
RADIO 12V
BATTERY
+
-
+
-
SERIAL BUS
X5.1
SERIAL BUS
X5.2
SERIAL BUS
X5.3
ACFail
8
17
18
9
12
13
14
15
16
11
X7.3
PSC_7_SO1
or
Heater Output
P S C _ 7 _ H S P O 1
P S C _ 7 _ H S P O 2
termd2_6
Mains
+
-
Temp
Alarm
REC 523 Remote Monitoring and Control Unit
(032 _AA / 037 _AA)