Grundfos MGE-F - General Description; Wiring Diagrams and Signal Terminals

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2. General description
Fig. 7 Block diagram showing the functional blocks of the frequency converter
2.1 Wiring diagrams and signal terminals
The wiring diagram and the signal terminals depend on the pump application. Figures 8 to 11 are examples of the
different functional modules available. Refer to the figure corresponding to the functional module fitted.
TM00 8679 4206
TM04 2071 1908 TM04 2072 1908
Fig. 8 I/O module and GENIbus Fig. 9 Extended I/O module and GENIbus
Inrush circuit
RFI filter
Rectifier Intermediate circuit Inverter
Driver circuit
Control circuit
96 348832
NC1
C1
NO1
SIGNAL RELAY :
MAX: 250 V /2A AC 1
MIN: 5V/10mA
CONNECTION
FOR PC- TOOL
NC2
C2
NO2
SIGNAL RELAY :
MAX: 250 V/2 A AC1
MIN: 5V/10mA
STATUS L ED
OPTIO N AL
7: SENSOR INPU T
8: +24V
9: GND
1: DIGITAL INPUT
0- 10 V
0/4- 20mA
A: RS485 A
Y: RS485 GND
B: RS485 B
0 - 10V
+
2: RUN/STOP
3: GN D
4: SETPOINT
5: +10V
6: GN D
10k
0/4 - 20mA
SUPPLY :
SEE NAMEPLATE :
FOR FURTHER DATA:
L1
L2
L3
PE
OP T ION A L
96348833
CONNECTION
FOR PC-TOOL
NC1
C1
NO1
SIGNAL RELAY :
MAX: 250 V/2 A AC1
MIN: 5V/10mA
NC2
C2
NO2
SIGNAL RELAY :
MAX : 250 V /2A AC 1
MIN: 5V/10mA
L3
L2
L1
SUPPLY :
SEE NAMEPLATE :
FOR FURTHER DATA:
17: PT100 A
18: PT100 A
19: PT100 B
20: PT100 B
STATUS L ED
7: SENSOR IN PU T
8: +24V
9: GND
0-10V
0/ 4 -2 0 mA
1: DIGITAL INPUT 2
10: DIGITAL INPUT 3
11: DIGITAL INPUT 4
12: ANALOG OUTPUT
13: GND
14: SENSOR INPUT 2
15: +24V (2)
16: GND
0- 10 V
0/4-20mA
A: RS4 8 5 A
Y: RS4 8 5 GN D
B: RS485 B
+
0
-
10V
0
/4 - 20
mA
2: RUN/STOP
3: GND
4: SETPOINT
5: +10V
6: GND
10
k
PE