Emerson Bristol ControlWave LP Guide d'installation télécharger pdf (Page 6)

Introduction

The I/O capacity of the ControlWave Process Automation Controller can be increased by the

addition of one or more ControlWave I/O Expansion Racks.

The ControlWave Controller is referred to as the host of the I/O Expansion Racks.

Communication between the I/O Expansion Rack and its host ControlWave is via Ethernet. The

I/O Racks can be part of their own IP sub-net, or they can sit on the wider Ethernet network,

depending upon the requirements of your particular application.

More than one ControlWave can reference a single I/O Rack (necessary for redundant

configurations) however, only one ControlWave can use an I/O Rack at any one time.

NOTE: The I/O Expansion Rack can be distinguished from the Process Automation Controller

by looking for the Run/Remote/Local key switch. On the I/O Rack, there is no key switch, simply

a plug where the keyhole would appear.

ControlWave Process

Automation Controller

Ethernet cabling

Expansion I/O Rack

ControlWave

(HOST)

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Emerson Bristol ControlWave LP Guide d'installation Page 6