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6.2
Connecting a decentralized design
6.2.1
Overview
Introduction
After installing the device, connect it.
Caution
Connection sequence
To avoid damage to the device, please follow the connection sequence of the device.
Other Connections
Please comply with the connections in the computer unit operating instructions.
Starting up
Before connecting the device, allow it to adjust to room temperature. Do not subject it
directly to heat radiation from a heating device, however.
Requirements
• The device has been installed in accordance with EMC guidelines.
• The device has been installed in accordance with the specifications of these operating
Procedure
1. Connect equipotential bonding.
2. Connect computer unit-control unit connecting cable.
3. Connect power supply.
6.2.2
Decentralized design
Principle
In the decentralized design, the control unit and computer unit are in separate locations.
Components
The following illustration shows as an example of a 15" control unit on which a mounting
plate is attached to the back side. The remote module, also called receiver, and the optional
direct key module are attached to the mounting plate. The remote module has a AC
110/230V power supply. The remote module is also available with a DC 24 V power supply.
Panel PC 670 V2/870 V2, Control unit
Operating Instructions, Edition 03/2004, CD Documentation and Drivers
instructions.
6.2 Connecting a decentralized design
Connecting
6-3
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