Connecting To A Modbus Network; Starting Up The Product; Connecting The Unit To Grundfos Go Remote 2.0 - Grundfos GiM CIU Instrucciones De Instalación Y Funcionamiento

6.6 Connecting to a Modbus network

A screened, twisted-pair cable must be
used. The cable screen must be
connected to protective earth at both ends.
It is important to connect the screen to
earth through the earth clamp and to
connect the screen to earth in all units
connected to the bus line.
Recommended connection
Modbus
Colour
terminal
D1 Yellow
D0 Brown
Common/GND Grey
1. Connect the yellow conductor(s) to terminal D1.
2. Connect the brown conductor(s) to terminal D0.
3. Connect the grey conductor(s) to terminal
Common/GND.
4. Connect the cable screens to earth via the earth
clamp.
Related information
6.5 Connecting the IO connections

7. Starting up the product

7.1 Connecting the unit to Grundfos GO
Remote 2.0
Before connecting the product, the Grundfos GO
Remote 2.0 app must be downloaded to your
smartphone or tablet. The app is free of charge and
available for iOS and Android devices.
CAUTION
Radiation
Minor or moderate personal injury
‐
Human tissue may be heated by RF
energy. Locate the antenna at a
minimum distance of 20 cm (7.87
inches) from any body parts.
1. Open Grundfos GO Remote 2.0 on your device.
Make sure that Bluetooth is enabled.
Your device must be within reach of the product to
establish Bluetooth connection.
2. Press the connect icon in Grundfos GO Remote
2.0.
3. Press the connect button on the product. The blue
LED is flashing until your device is connected.
Once the connection is established, the LED is
permanently on.
Grundfos GO Remote 2.0 is now loading the data
for the product.
4. Refer to the GiM quick guide for further
information regarding startup.
Data signal
Positive
net.grundfos.com/qr/i/99802939
Negative
Common/GND
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