Xylem LOWARA e-LNEEE Series Additional Installation, Operation And Maintenance Instructions page 22

en – Original Instructions
3~
22
External Pressure
P1+
sensor [also
Differential]
P1-
START
External
Start/Stop
STOP
LOW+
External Lack of
Water
LOW-
B1
Communication
A1
Bus
GND
B2
Communication
Bus A2
GND
C
Fault signal
NO
C
Motor running
signal
NO
Auxiliary Voltage
15V
Supply
S+
Analog input
0-10V
S-
External Pressure
P1+
sensor [also
Differential]
P1-
P2+
External pressure
sensor
P2-
Start
External Start/Stop
Stop
LoW+
External Lack of
Water
LoW-
B2
Communication
Bus A2
GND
B1
Communication
A1
Bus
GND
Power supply external sensor +15
9
VDC
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
15 RS485 port 1: RS485-1N B (-)
16 RS485 port 1: RS485-1P A (+)
17 Electronic GND
RS485 port 2: RS485-2N B (-) active
18
only with optional module
RS485 port 2: RS485-2P A (+) active
19
only with optional module
20 Electronic GND
25 COM - error status relay
24 NO - error status relay
23 Common contact
22 Normally open contact
21 Auxiliary voltage supply +15 VDC
20 Actuator mode 0-10 V input
19 GND for 0-10 V input
Power supply external sensor +15
18
VDC
17 External sensor 4-20 mA input
Power supply external sensor +15
16
VDC
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
10
only with optional module
RS485 port 2: RS485-2P A (+) active
9
only with optional module
8 Electronic GND
7 RS485 port 1: RS485-1N B (-)
6 RS485 port 1: RS485-1P A (+)
5 Electronic GND
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
In case of power cables: use the M20
cable gland
Closed: error
Open: no error or unit off
In case of power cables: use the M20
cable gland
Open: motor in operation
Closed: motor not in operation
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
ACT, HCS control mode: RS 485 port 1 for
external communication
Control mode MSE, MSY: RS 485 port 1
for multi-pump systems