Bronkhorst PROFIBUS-DP slave interface Manual do Utilizador descarregar pdf (Página 7)

BRONKHORST®

1.5 OPERATING PRINCIPLES

PROFIBUS DP is a 2-wire industrial data communication standard (Field bus) which allows automation components

like sensors, actuators and controllers to exchange information.

Simple PROFIBUS system.

PROFIBUS DP is a master / slave bus system. Bronkhorst instruments are all slaves. There is no mutual communication

between PROFIBUS DP slaves, only between a master and slave. Each slave must have its own unique station address

on the bus, otherwise there is no communication possible. Setting slave station address can be performed by either:

• Via rotary switches (Non industrial instruments)

• Master configuration software.

For example:

• Sycon V2.6.2. from Hilscher G.m.b.H. (in this manual)

• Step 7 V5.1 from Siemens for PLC type S7-300 2DP.

Most master configuration software tools work in the same way, because PROFIBUS DP is a standardized field

bus system. Only on details and program operation things could be different.

Read user manual carefully for correct operation of other programs than Sycon and Step 7.

• Bronkhorst tooling software: eq FlowFix

The Bronkhorst tooling software is able to communicate with the instrument via RS232 using a special cable. If

you don’t have such a cable ask your local sales representative.

• Via Micro-switch and Led’s

PROFIBUS DP slaves using, will adapt automatically to baud rates determined by the master on a bus

segment.

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Bronkhorst PROFIBUS-DP slave interface Manual do Utilizador Página 7