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4 Installation
Monitoring and Status
Figure 14: Connections at the MAS 711 base unit
This table shows how the conductors are connected to the different sensors.
Sensor
Float switch in the stator house
Float switch in the junction box
Pt100 in the main bearing
Pt100 in the support bearing
Thermal switches or thermistors in the stator
CLS sensor in the oil housing
1
The leakage sensor in the stator housing and the leakage sensor in the junction box use the same terminal (terminal 2) on the terminal
block.
2
The Pt100 sensors in the main bearing and the support bearing use the same terminal (terminal 4) on the terminal block.
32
21
24V
22
26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
Ethernet
Ext.1
Link LAN
TD
RD
1
2
20
2
18
17 16 13 8
19 7
1
Ext.2
Local
TD
RD
TD RD
38
37 36 35
9
10 11 12
Terminal block Conductor
1
2
9
2
3
4
37
38
5
6
+ 33
– 34
P7900 Installation, Operation, and Maintenance Manual
3
15 4
6
14
5
8 7
6 5
4
3
2 1
Power
A
B
Go
MAS 711
FOO126A
Conductor for
number for 12-
24-lead cable
lead cable
1
1
2
2
7
7
—
—
3
3
4
4
—
17
—
18
5
5
6
6
—
19
—
20
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