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The unilink host adapter, Figure 1–3 unilink host adapter block diagram, Figure 1–4 unilink host adapter physical features – Siemens SIMATIC TIWAY 1 User Manual

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THE UNILINK HOST ADAPTER

UNILINK HOST ADAPTER

1–3

USER MANUAL

Host

Computer

RS–232–C/RS–423A

Host Interface

(Command Processor)

TIWAY I

Interface

External

Input Point

Output Point

TIWAY I

Network

Secondaries

UniLink
Host Adapter

Figure 1–3 UNILINK Host Adapter Block Diagram

Port

1

Port

2

Port

3

Port

4

AC

NEUT

AC

LINE

GND

1 2 3 4 5

I/O

Host Computer Port

Power Connections

TIWAY I Ports

External I/O Points

PPX:500–7111, Dual Local Line media ports shown here.

Figure 1–4 UNILINK Host Adapter Physical Features