Central Processing Unit
5–10
1070 072 145-102 (01.07) GB
5.4 Interfaces
5.4.1 Interface Connections
All interface interconnections on the CL200 central processing unit are ac-
complished via D-sub plug connectors. Connections must use screened ca-
bles. Almost without exception, interface connectivity entails the
interconnecting of cables inbound from a variety of locations. This is accom-
plished with the use of industry standard adapter elements. Adapter ele-
ments must provide a screening connection for D-sub plug connectors.
Example:
Support rail
Screened “screw terminal to
D-sub plug” adapter element
Low-resistance GND con-
nection of cable screen
conductors.
Screened cables from
and to peripherals
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