en – Original instructions
26
Table 10: I/O wiring procedure
Reference Figure
e-SM Drive models
103, 105, 107, 111,
115
e-SM Drive models
303, 305, 307, 311,
315, 322
1.
Open the terminal box cover, remove the screws (1)
2.
Use M16 and M12 cable glands for I/O cables.
Fig. 7
-
3.
Connect the cable according to the wiring diagram.
Fig. 11
-
4.
Follow additional requirements of table 11.
5.
Close the terminal box cover and tight the screws.
Fig. 7
-
Table 11: I/O terminals
Item Terminals
Number
Description Comments
Fault Signal
C
4
In case of Power Wires: use
M20 cable gland
No 5
Auxiliary Voltage
Supply
15V
6
Voltage Supply
15VDC, I max. 100mA
Analog 0-10V
S+
7
Actual value voltage
0÷10 VDC
GND, electronic ground (for S+)
S-
8
Ground for external sensor or
external speed control
External Pressure
sensor [also
Differential]
P+
9
Actual value current
4÷20 mA
GND, electronic ground (for P+)
P-
10
Ground for external sensor
External Start/Stop
Start
11
External ON/OFF input
Default short circuited
Pump is enabled to RUN
Stop
12
Ground for external ON/OFF
input
External Lack of
Water
LoW+
13
External Lack of Water
Default short circuited
Lack of Water Detection:
Disabled
LoW-
14
Ground for External Lack of
Water
Communication Bus
B
15
RS485 port 1: RS485
-1N
ACT, HCS control mode:
RS 485 port1 for external
communication
MSE, MSY control mode:
RS 485 port1 for multi-pump
systems
A
16
RS485 port 1: RS485
-1P
GND
17
GND, electronic ground
Communication Bus
B
18
RS485 port 2: RS485
-2N
RS 485 port2 for external
communication
A
19
RS485 port 2: RS485
-2P
GND
20
GND, electronic ground
