Siemens 500 NIM Manual Do Utilizador

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TIWAY I Overview
1-3
SIMATIC TIWAY I Series 500 NIM User Manual
TIWAY I network products provide a number of user-selectable options.
Baud rates are selectable from 110 baud to 115.2 K baud.
TIWAY I devices can operate with modems in either full or half duplex
mode, synchronously or asynchronously.
Both NRZ and NRZI data encoding are available.
Figure 1-1 illustrates the basic system block diagram of a TIWAY I Network.
System components include:
Host System Interfaces (including Host Adapters, Gateways, and
Network Control Modules)
Siemens Programmable Controller Network Interface Modules (NIMs)
UNILINK
 Secondary Adapters for interfacing non-Siemens products
to the TIWAY I Network
TIWAY I Options
System Block
Diagram