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Item
Terminals
Ref.
Description
Notes
Analog input
0-10V
P2IN/S+
7
Actuator mode 0-10 V
input
0-10 VDC
P2C/S-
8
GND for 0-10 V input GND, electronic
ground (for S+)
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
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
Table 8: 3~ I/O terminals
Item
Terminals
Ref.
Description
Notes
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
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
4 Installation
Smart Pump Range INSTRUCTION MANUAL
21