Siemens SIMATIC TIWAY 1 User Manual page 4

THE UNILINK HOST ADAPTER
TIWAY I
Interface
TIWAY I
Network
Secondaries
Figure 1–3 UNILINK Host Adapter Block Diagram
Port
1
TIWAY I Ports
PPX:500–7111, Dual Local Line media ports shown here.
Figure 1–4 UNILINK Host Adapter Physical Features
Host
Computer
RS–232–C/RS–423A
Host Interface
(Command Processor)
External
Input Point Output Point
Host Computer Port
Port Port
2 3
1–3
UniLink
Host Adapter
Power Connections
Port AC AC
GND
4 NEUT LINE
I/O
1 2 3 4 5
External I/O Points
UNILINK HOST ADAPTER
USER MANUAL