Lowara e-SVE - Page 24

en – Original instructions
24
sensor [also
Differential]
VDC
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
Low 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 port 2: RS485-
2N B (-) active only with optional
module
RS 485 port2 for external
communication
A2
19
RS485 port 2: 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
NO
24
NO - error status relay
Motor running
signal
C
23
Common contact
In case of power cables: use the M20
cable gland
NO
22
Normally open contact
Auxiliary Voltage
Supply
15V
21
Auxiliary voltage supply +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 sensor +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 sensor +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
Low water input
Default short circuited Lack of water
detection: enabled
LoW-
11
Low water reference
Communication
Bus
B2
10
RS485 port 2: RS485 port 2: RS485-
2N B (-) active only with optional
module
RS 485 port2 for external communication
A2
9
RS485 port 2: 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~