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Connecting
6.2 Connecting a decentralized design
Note
Make sure that the cable strain reliefs for the connection cable at the operating unit and
computer unit are mounted properly, especially if the devices are installed at a slant.
Socket for
interconnecting cable
to transmitter
Power supply
120-240 V AC
Figure 6-2
Back side of the control unit with attached remote module and direct key module
6.2.3
Equipotential bonding
Differences in potential
Differences in potential arise between separated system parts, which in some cases leads to
high equalization currents. When cable shields are applied on both sides and are grounded
at different system parts, for example.
Causes of potential differences are different network feed-ins, for example.
6-4
USB cable
Operating unit
Fastening screw
(rear)
for mounting plate
Direct key module (optional)
Mounting plate
for receiver and direct key module
Operating Instructions, Edition 03/2004, CD Documentation and Drivers
Receiver
Panel PC 670 V2/870 V2, Control unit
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