Instruction Manual/Supplement
Electric Installation
Page 6
Modbus Extension Module NF Energy Saver - rev. 00 / 24.04.2019
6.2 Connection and wiring diagram of the Modbus Extension Module
Fig. 6-1
Connection and wiring diagram
6.3 Power Connection
No power supply via the transmitter
The Modbus Extension Module cannot be supplied via the transmitter directly due to its
high energy consumption.
Fig. 6-2
Power supply Modbus Extension Module
6.4 Connection to measurement transmitter NivuFlow Energy Saver
Connect the Modbus Extension Module to the transmitter only by using the accompanying
Modbus-RTU connection cable (length approx. 1.3 m).
Fig. 6-3
Connection Extension Module – transmitter
