Grundfos CRE Series - Page 20

NC
C1
NO
DI3
24V
AI2
5V
TX RX
OFF ON
A
Y B
AI1
DI1
24V
5V
S24 ST1 ST2
TM082861
Terminal Type Function
NC Normally closed contact
Signal relay 1: LIVE or SELVC1 Common
NO Normally open contact
GND GND Signal ground
DI3 DI3/OC1
Digital input/output, configurable
Open collector: Maximum 24 V resistive or inductive
24V +24 V Power supply
AI2 AI2
Analog input:
• 0-20 mA or 4-20 mA
• 0.5 - 3.5 V, 0-5 V or 0-10 V.
5V +5 V Power supply to a potentiometer or sensor
GND GND Signal ground
TX GDS TX Grundfos Digital Sensor output
RX GDS RX Grundfos Digital Sensor input
5V +5 V Power supply to a potentiometer or sensor
A GENIbus, A GENIbus, A (+) / Modbus, D1 (+)
Y GENIbus, Y GENIbus, GND / Modbus, GND
B GENIbus, B GENIbus, B (-) / Modbus, D0 (-)
20
English (GB)