Internal Genibus Connection; Fieldbus Communication Interface Modules; Fitting The Cim Module - Grundfos CU 3 Serie Instrucciones De Instalación Y Funcionamiento

6.1 Internal GENIbus connection

Internal communication is established via GENIbus.
CU 3X2
Fig. 10 GENIbus connection
The module type and the number of modules depend on the application software.
6.2 Fieldbus communication interface
modules
The CU 3X2 can be connected to an external
communication network via an add-on CIM module.
CIM: Communication Interface Module.
The CIM modules must be ordered separately.
Connect the CIM module as described in the
installation and operating instructions supplied with
the module.
10
Unit n

6.3 Fitting the CIM module

Warning
Switch off the power supply to the CU 3X2
before fitting the CIM module.
The CIM module must be fitted by an authorised
person.
Warning
Electrostatic discharge (ESD) must be
avoided when fitting the CIM module, for
instance by wearing an antistatic wrist
strap as shown in fig. 13.
1. Remove the screw in the back cover of the
CU 3X2. See fig. 11.
Fig. 11
Unit n+1
Removing the screw that holds the back
cover