Murr Elektronik 56 501, Руководство пользователя

Страница: 24 / 37

Cube67 System Manual
23 V 2.5
3.2.6 Terminal Resistance of the Internal System Connection
A terminal resistance must be installed on each branch of the internal system
connection.
Compact modules have an integrated terminal resistance. If the last I/O module in a branch is a compact
module, it is not necessary to install a supplementary terminal resistance. If the last module is an
expander module, the extension interface of the internal system connection must always
Fig. 3-4
be fitted with a
terminal resistance. Unused connections at bus modes and modules must be provided with dummy
plugs.
shows where the terminal resistances must be installed by means of a configuration
example.
Fig. 3-4 : Terminating the internal system connection (example)

Bus node

Expander module

Terminal resistance

Compact module

Unused bus branch without terminal resistance

Fit dummy plugs to unused connections on bus modes and
modules.