Xylem LOWARA e-SVE Installation, Operation And Maintenance Manual page 27

Figure 16: Connection label
Table 11: I/O terminals
Item
Fault Signal
Auxiliary Voltage Supply
Analog 0-10V
External Pressure sensor
[also Differential]
External Start/Stop
External Lack of Water
Communication Bus
Communication Bus
Terminals Number Description
C 4
No 5
15V 6 Voltage Supply
P2IN/S+ 7 Actual value voltage
Ground for external sensor or
P2C/S- 8
external speed control
P1+ 9 Voltage Supply
P1- 10 Actual value current
START 11 External ON/OFF input
Ground for external ON/OFF
STOP 12
input
LOW+ 13 External Lack of Water
Ground for External Lack of
LOW- 14
Water
B1 15 RS485 port 1: RS485 -1N
A1 16 RS485 port 1: RS485 -1P
GND 17 GND, electronic ground
B2 18 RS485 port 2: RS485 -2N
A2 19 RS485 port 2: RS485 -2P
GND 20 GND, electronic ground
en – Original instructions
Comments
In case of Power Wires: use
M20 cable gland
15VDC, Ʃ max. 100mA
0÷10 VDC
GND, electronic ground (for
S+)
15VDC, Ʃ max. 100mA
4÷20 mA
Default short circuited.
Pump is enabled to RUN
Default short circuited.
Lack of Water Detection:
enabled
ACT, HCS control mode:
RS 485 port1 for external
communication
MSE, MSY control mode:
RS 485 port1 for multi-pump
systems
RS 485 port2 for external
communication
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