Specifications

1-8 Introduction
1.9. Shielding
In case of increased interference, a shielded bus cables is
recommended to use for wiring between module and modules. In
addition, a shielding also should be done for the cable of power
supply and for the signal cables.
Some experiences and recommendations are concerning for
shield connection.
1. The shield should be connected with protective earthing at each
bus connection.
2. The shield should be applied additionally several times along
the course of the cable.
3. The Computer should be applied the shield directly to the
appliance or to separate shield rails.
DATA+
DATA -
Earthing Point
RS-485 Connection Cable
NuDAM Module
Isolation
braided shield