Communication; Configuration; Relay Configuration - ABB REM 543 Technical Reference Manual

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4.1.1.7.

4.1.2.

4.1.2.1.

REM 543 Protection,

Monitoring and Control

Communication

The REM 543 machine terminal provides the SPA and LON serial communication pro-

tocols.

In a customer-specific machine terminal configuration, special events can be generated

with the EVENT230 event function. EVENT230 is documented on the CD-ROM

"Technical descriptions of Functions" (1MRS750889-MCD).

For more information about communication in the REM 543 machine terminal, refer to

section "Serial communication".

The Relay Configuration Tool is based on the standard IEC 1131-3. The standard

defines the programming language used for relay configuration. The programmable sys-

tem of REM 543 machine terminals allows the output contacts to be operated in accord-

ance with the state of the logic inputs and the outputs of protection, control,

measurement and condition monitoring functions. The PLC functions (e.g. interlocking

and alarm logic) are programmed with Boolean functions, timers, counters, comparators

and flip-flops. The program is written in a function block diagram language by using the

configuration software.

Fig. 4.1.2.1.-1. Example of a machine terminal configuration with the Relay Configura-

tion Tool.

Technical Reference Manual

Part 1, General

Page 17

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