Bronkhorst FlowTune Bedienungsanleitung PDF herunterladen (Seite 7)

BRONKHORST

2.2 RS232 ON MULTIBUS INSTRUMENT

The RS232 interface on a multibus instrument can be connected to any RS232 V24 serial (computer) port. Make sure

to respect the hook‐up diagram. Bronkhorst offers special cables for communication, separating the RS232 lines from

the power and analog in‐ and output. On the 9‐pin male D‐sub connector of the instrument RX and TX are available on

pin 6 and pin 1.

RS232 communication is possible by:

• 9‐pin Sub D‐connector (non‐IP65 instruments, e.g. EL‐FLOW)

• 8‐pin DIN connector (IP65 instruments, e.g. CORI‐FLOW)

For the exact connections please advise your hook‐up diagram.

2.2.1 Applications, e.g. EL-FLOW

FLOW

EL-FLOW

Select

mass flow meter

/controller

Power

Supply

Instrument powered through the D‐sub DB‐9 connector

FLOW

EL-FLOW

Select

mass flow meter/controller

DeviceNet

/ FLOW‐BUS instrument powered through the bus connector

FLOW

EL-FLOW

Select

mass flow meter/controller

Power

Supply

Profibus instrument powered through the D‐sub DB‐

9 connector

For proper cable installation please consult the applicable hook-up diagram mentioned in paragraph

1.2.2

By default, the interface offers communication at a baud rate of 38400 baud. On instruments that offer

the possibility to change the RS232 baud rate, the baud rate may be configured differently.

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Bronkhorst FlowTune Bedienungsanleitung Seite 7