Xylem LOWARA e-LNEEE Series, Дополнительные инструкции по установке, эксплуатации и обслуживанию

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en
– Original Instructions
22
External Pressure
sensor [also
Differential]
P1+ 9
Power supply external 15
VDC
15VDC, Ʃ max. 100 mA
P1- 10 External sensor 4-20 mA input 4÷20 mA
External
Start/Stop
START 11 External ON/OFF input reference
Default short circuited Pump is enabled
to RUN
STOP 12 External ON/OFF input
External Lack of
Water
LOW+ 13 Lack water input
Default short circuited
Lack of water detection: enabled
LOW- 14 Low water reference
Communication
Bus
B1 15 RS485 port 1: RS485-1N B (-) ACT, HCS control mode: RS 485 port1 for
external communication
MSE, MSY control mode: RS 485 port 1
for multi-pump systems
A1 16 RS485 port 1: RS485-1P A (+)
GND 17 Electronic GND
Communication
Bus
B2 18
RS485 port 2: RS485-2N B (-) active
only with optional module
RS 485 port2 for external
communication
A2 19
RS485 port 2: RS485-2P A (+) active
only with optional module
GND 20 Electronic GND
Fault signal
C 25 COM - error status relay In case of power cables: use the M20
cable gland
Closed: error
Open: no error or unit off
NO 24 NO - error status relay
Motor running
signal
C 23 Common contact In case of power cables: use the M20
cable gland
Open: motor in operation
Closed: motor not in operation
NO 22 Normally open contact
Auxiliary Voltage
Supply
15V 21 Auxiliary voltage 15 VDC 15VDC, Ʃ max. 100 mA
Analog input
0-10V
S+ 20 Actuator mode 0-10 V input 0÷10 VDC
S- 19 GND for 0-10 V input GND, electronic ground (for S+)
External Pressure
sensor [also
Differential]
P1+ 18
Power supply external 15
VDC
15VDC, Ʃ max. 100 mA
P1- 17 External sensor 4-20 mA input 4÷20 mA
External pressure
sensor
P2+ 16
Power supply external 15
VDC
15VDC, Ʃ max. 100 mA
P2- 15 Sensor 4-20 mA input 4÷20 mA
External Start/Stop
Start 14 External ON/OFF input
Default short circuited Pump is enabled
to RUN
Stop 13 External ON/OFF input reference
External Lack of
Water
LoW+ 12 Lack water input
Default short circuited Lack of water
detection: enabled
LoW- 11 Low water reference
Communication
Bus
B2 10
RS485 port 2: RS485-2N B (-) active
only with optional module
RS 485 port2 for external communication
A2 9
RS485 port 2: RS485-2P A (+) active
only with optional module
GND 8 Electronic GND
Communication
Bus
B1 7 RS485 port 1: RS485-1N B (-) ACT, HCS control mode: RS 485 port 1 for
external communication
Control mode MSE, MSY: RS 485 port 1
for multi-pump systems
A1 6 RS485 port 1: RS485-1P A (+)
GND 5 Electronic GND
3~