Grundfos Hydro Multi-E Series Installation And Operating Instructions Manual page 12

OC
+24 V* GND
+24 V* +24 V* +24 V*/5 V*
+ +
+24 V* +24 V* +24 V*/5 V*
* If you use an external supply source, there must be a
connection to GND.
Fig. 14 Connection terminals, CME pump (optional for CRE,
CRIE, CRNE, SPKE and MTRE pumps)
12
NC
C1
NO
NC
C2
NO
DI
10 DI3/OC1
4
AI1
2 DI1
5 +5 V
6 GND
A
GENIbus A
Y
GENIbus Y
B
GENIbus B
3
GND
15
+24 V
8
+24 V
26 +5 V
23
GND
25
GDS TX
24 GDS RX
+5 V*
7
AI2
Terminal Type
Normally closed
NC
contact
C1 Common
Normally open
NO
contact
Normally closed
NC
contact
C2 Common
Normally open
NO
contact
10 DI3/OC1
4 AI1
2 DI1
5 +5 V
6 GND
A GENIbus, A
Y GENIbus, Y
B GENIbus, B
3 GND
15 +24 V
8 +24 V
26 +5 V
23 GND
25 GDS TX
24 GDS RX
7 AI2
Function
Signal relay 1
(LIVE or PELV)
Signal relay 2
(PELV only)
Digital input/output,
configurable
Open collector: Max. 24 V
resistive or inductive
Analog input:
0-20 mA / 4-20 mA
0.5 - 3.5 V / 0-5 V / 0-10 V
Digital input, configurable
Supply to potentiometer and
sensor
Ground
GENIbus, A (+)
GENIbus, GND
GENIbus, B (-)
Ground
Supply
Supply
Supply to potentiometer and
sensor
Ground
Grundfos Digital Sensor output
Grundfos Digital Sensor input
Analog input:
0-20 mA / 4-20 mA
0.5 - 3.5 V / 0-5 V / 0-10 V