Vega VEGACOM 557 Siemens 3964 and 3964 R procedure with Bedienungsanleitung PDF herunterladen (Seite 4)

4 VEGACOM 557 Siemens

Product description

1 Product description

1.1 Application

With VEGACOM 557 an efficient interface

converter (Gateway) is available. It is used

for VEGA specific protocols of the DISBUS

and LOGBUS into standard data formats.

The existing version is used for connection of

level and pressure measuring systems to

PLC systems with Siemens communication

processors CP 524 and CP 525. The proce-

dures 3964 and 3964 R are supported.

This conversion of the protocol formats ena-

bles to call up measured data and status

information of the measuring systems via

PLC/DCS. This bidirectional data traffic re-

quires respective measures on the PLC/DCS

side which are described in this instruction.

The data received in the PLC can be further

processed by the user program, i.e. for

example visualised or used for control pur-

poses.

In a planned further stage, signal condition-

ing instrument-specific parameters can be

outputted, modified and returned.

PC

interface

VEGACOM 557 connections

DISBUS

Siemens 3964

and 3964 R

Supply

Basic board

Add. board

1.2 Configuration

The component VEGACOM 557 is designed

in 19" technology with 5 TE width (1 TE =

5.08 mm) acc. to DIN 41 494. It can be used:

- in carrier BGT 596

- in VEGALOG 571 carrier BGT LOG 571

- in housing type 505.

The electrical connection is made via a plug

connector acc. to DIN 41 612 on the rear of

the component. The connection to LOGBUS

is made via an additional 5-pole plug connec-

tor mounted to the DIN plug connector.

A 9-pole SUB-D plug marked "PC" is located

in the front plate of VEGACOM 557. It is used

for connection of a PC to VEGACOM 557 via

RS 232 C.

The component consists of two boards:

- the basic board

- the additional board.

The basic board contains the power supply

unit, the PC interface, the DISBUS/LOGBUS

interface as well as the connections for the

Modbus.

The additional board is screwed to the basic

board and includes the Siemens 3964 and

3964 R interface.

additional plug

connector for

LOGBUS

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