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ALLEN BRADLEY 1747-L551 PLC Processor

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Setting Up the DH-485 Network<br />

A–5<br />

Example System<br />

Configuration<br />

IBM–PC, XT, or compatible<br />

with 1784–KR, DH–485 PC Interface<br />

Below is an example of a DH-485 network.<br />

SLC 500 20 point<br />

Fixed I/O Controller with 2-slot expansion chassis<br />

Data Table<br />

Access Module<br />

SLC 500 20 point<br />

Fixed I/O Controller<br />

SLC 500 5/02<br />

Modular I/O Controller<br />

<strong>1747</strong>–AIC <strong>1747</strong>–AIC <strong>1747</strong>–AIC <strong>1747</strong>–AIC<br />

<strong>1747</strong>–AIC Isolated<br />

Link Coupler<br />

SLC 5/03, 5/04, or 5/05<br />

Modular I/O Controller<br />

SLC 500<br />

Hand–Held Terminal<br />

Allen–Bradley 1784–T45, T47<br />

or compatible laptop<br />

DH–485 Network max. length 1219 m (4,000 ft)<br />

SLC 500 5/01<br />

Modular I/O Controller<br />

<strong>1747</strong>–PIC<br />

Interface Converter<br />

1761-NET-AIC<br />

Advanced<br />

Interface<br />

Converter<br />

SLC 500<br />

Fixed I/O Controller<br />

Publication <strong>1747</strong>-6.2

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