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

Item Terminals Ref. Description
Fault signal
Auxiliary Voltage
Supply
P2IN/S+
Analog input
0-10V
P2C/S-
External Pressure
sensor [also
Differential]
START
External Start/Stop
1~
STOP
External Lack of LOW+
Water
LOW-
Communication
Bus
GND
Communication
Bus
GND
Fault signal
Motor running
signal
Auxiliary Voltage
Supply
Analog input
0-10V
External Pressure
3~
sensor [also
Differential]
External pressure
sensor
Start
External Start/Stop
Stop
LoW+
External Lack of
Water
LoW-
Communication
Bus
C 4 COM - error status relay
NO 5 NO - error status relay
15V 6 Auxiliary voltage supply +15 VDC
7 Actuator mode 0-10 V input
8 GND for 0-10 V input
Power supply external sensor +15
P1+ 9
VDC
P1- 10 External sensor 4-20 mA input
11 External ON/OFF input reference
12 External ON/OFF input
13 Lack water input
14 Low water reference
B1 15 RS485 port 1: RS485-1N B (-)
A1 16 RS485 port 1: RS485-1P A (+)
17 Electronic GND
RS485 port 2: RS485-2N B (-) active
B2 18
only with optional module
RS485 port 2: RS485-2P A (+) active
A2 19
only with optional module
20 Electronic GND
C 25 COM - error status relay
NO 24 NO - error status relay
C 23 Common contact
NO 22 Normally open contact
15V 21 Auxiliary voltage supply +15 VDC
S+ 20 Actuator mode 0-10 V input
S- 19 GND for 0-10 V input
Power supply external sensor +15
P1+ 18
VDC
P1- 17 External sensor 4-20 mA input
Power supply external sensor +15
P2+ 16
VDC
P2- 15 Sensor 4-20 mA input
14 External ON/OFF input
13 External ON/OFF input reference
12 Lack water input
11 Low water reference
RS485 port 2: RS485-2N B (-) active
B2 10
only with optional module
en – Original instructions
Notes
Closed: error
Open: no error or unit off
15VDC, Ʃ max. 100 mA
0÷10 VDC
GND, electronic ground (for S+)
15VDC, Ʃ max. 100 mA
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 port 1
for multi-pump systems
RS 485 port2 for external
communication
Closed: error
Open: no error or unit off
In case of power cables: use the M20
cable gland
Closed: motor in operation
Open: motor not in operation
In case of power cables: use the M20
cable gland
15VDC, Ʃ max. 100 mA
0÷10 VDC
GND, electronic ground (for S+)
15VDC, Ʃ max. 100 mA
4÷20 mA
15VDC, Ʃ max. 100 mA
4÷20 mA
Default short circuited. Pump is enabled
to RUN
Default short circuited. Lack of water
detection: enabled
RS 485 port2 for external
communication
27