Grundfos CMBE - Page 14

Terminal Type Function
23 GND
Protective earth.
Pressure sensor: GND, 0 V. Connect the
green wire to this terminal.
25 GDS TX Grundfos Digital Sensor output
24 GDS RX Grundfos Digital Sensor input
7 AI2
External sensor.
Pressure sensor: Temperature signal, 0.5 to
3.5 V. Connect the yellow wire to this terminal.
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