Xylem FLYGT MRM 01 Installation, Operation And Maintenance Manual page 12

5 Electrical Installation
3. Connect the Modbus communication between the MAS base unit and the MRM 01.
4. Connect the power supply to the MAS base unit and the MRM 01.
10
CAS description
CAS A: Liquid level sensor (Stator
housing)
CAS B: Oil flow or liquid level sensor 19
Reset
RUN (used only together with the oil
flow sensor)
CAS C: Winding over temperature
protection
Pt100 sensor
Option to read Pt100 temperature
value
CAS Σ: Output for remote indication
24 V / max 2 VA
Interlock contact, Max 240 V / 4 A
CAS description
CAS A: Output for remote indication
24 V / max 2 VA
CAS B: Output for remote indication
24 V / max 2 VA
CAS C: Output for remote indication
24 V / max 2 VA
CAS D: Output for remote indication
24 V / max 2 VA
MAS base unit
Description Terminal
Local, RS-485 (A) (Modbus 37
master)
Local, RS-485 (B) (Modbus 38
master)
CAS description CAS terminal
24 VAC supply 14
16
CAS terminal
17
18
20
22
23
24
25
26
27
28
29
31
32
8
9
11
12
CAS terminal
1
2
3
2
4
5
6
7
MRM 01
Description
Modbus/ RS-485 (A)
Modbus/ RS-485 (B)
MAS base unit terminal
25
26
MRM 01 Installation, Operation, and Maintenance Manual
MAS base unit terminal
13
14
15
14
22
23
24
23
1
2
8
4
20
21
31
32
27
28
MRM 01 terminal
3
4
1
2
9
10
7
8
Terminal
12
11
MRM 01 terminal
5
6