Grundfos RSI 1.5 Notice D'installation Et De Fonctionnement page 10

4.2.3 RSI input terminals
WARNING
Make sure that AC and DC power are
never supplied to the RSI simultaneously.
Grundfos recommends an interlocked
change over switch.
Terminal Descrip on
Terminal Description
L1
L1 These terminals are the input c
L2
These terminals are the input connections
supply.
L2
L3
for the power supply.
L3
DC- DC bus terminals (DC- DC+)
DC- DC bus terminal (DC- DC+)
DC+/R+ and
R- Brake resistor terminals (R+ R-)
DC+/R+ and
R- break resistor terminals (R+ R-)
U/T1
V/T2 These terminals are for motor c
U/T1
W/T3
V/T2 These terminals are for motor connections.
W/T3
Filter
Pump
PUMP FILTER
12 13 14 15 16 17 18 19 30
1 2 3 4 5 6 7 8 9
Position of terminals
Fig. 5
10
for the power
(U)
(V)
(W)
(PE)
L3 L2 L1
W/T3 V/T2 U/T1 R+ DC+/R+ DC-
Reference
potentiometer
Reference
1...10 kΩ
pote 1...10 k
Remote reference
4...20 mA /
Remote reference
0...10 V
4...20mA/0...10V
A B
10 11
AC power supply
AC power supply
3~
3
(PE)
Standard I/O
Terminal
Standard I/O
1 Terminal +10 Vref
1 +10 Vref
2 AI1+
AI1+
2
3 AI1-
3 AI1-
4 AI2+
4 AI2+
5 AI2-
AI2-
5
6 24 Vout
6 24Vout
7 GND
GND
7
8 8 DI1 DI1
DI2
9
9 DI2
10 DI3
10 DI3
11 CM
11 CM
12 24Vout
12 24 Vout
13 GND
13 GND
14 DI4
14 15 DI4 DI5
16 DI6
15 DI5
17 CM
16 DI6
18 AO1+
17 CM
mA
19 AO-/GND
18 AO1+
30 +24 Vin
19 AO-/GND
A RS485
30 +24 Vin
B RS485
A RS485
*. Can be isolated from ground, see chap-
ter chapter 5.1.6.
B RS485
Signal/description
Reference output Signal
Reference output
Analogue input,
Analogue input,
voltage or current
voltage or current
Analogue input, common
Analogue input com-
mon
Analogue input,
Analogue input,
voltage or current
voltage or current
Analogue input com-
Analogue input, common
mon
24 V aux. voltage
24V aux. voltage
I/O ground
I/O ground
Digital input 1, Start/stop Digital input 1
Digital input 2
Digital input 2, Tank level switch
Digital input 3
Digital input 3, Well level switch
*
Common for DI1-DI6
Common for DI1-DI6
24V aux. voltage
24 V aux. voltage
I/O ground
I/O ground
Digital input 4
Digital input 4, Flow switch Digital input 5
Digital input 6
Digital input 5, Flow meter
Common for DI1-DI6*
Digital input 6, AC operation
Analogue output,
Common for DI1-DI6
voltage or current
Analogue output com-
Analogue output, voltage or
mon
current
24V auxiliary input
voltage
Analogue output ,common
Serial bus, ve
24 V auxiliary input voltage
Serial bus, ve
Serial bus, negative
Serial bus, positive