Siemens PC 670 Betriebsanleitung PDF herunterladen (Seite 40)

Connecting

6.2 Connecting a decentralized design

Panel PC 670 V2/870 V2, Control unit

Operating Instructions, Edition 03/2004, CD Documentation and Drivers

6-3

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

instructions.

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.

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Siemens PC 670 Betriebsanleitung Seite 40