BRONKHORST EL-FLOW Select Series - RS232 Communication; Fieldbus Communication

Bronkhorst®
Instruction Manual EL-FLOW® Select9.17.099F 17
2.8.1 RS232 communication
Using a Windows computer, the instrument can
be monitored and operated via RS232. For
operation, the free Bronkhorst FlowWare tools
can be used, providing a comprehensive user
interface to the digital instrument functions.
This example uses the following components:
· EL-FLOW® Select
· RS232 T-part cable (art no. 7.03.366)
· RS232-USB converter (art no. 9.09.122)
· Windows computer (for readout and control)
· Plug-in Power Supply (PiPS, art no. 7.03.422)
Connect the T-part cable with the 9-pin D-sub connector on the side of the instrument and use the RS232/USB converter to
connect the other end of the cable with a free USB port of the computer.
For communication with a PLC or other controlling device, a 9-pin D-sub cable with a loose end (part no. 7.03.004,
7.03.536 or 7.03.537) can be used. Consult the RS232 hook-up diagram to connect the required signals.
For RS232 communication at baud rates up to 38400 Baud the maximum allowable cable length is 10 m. For higher baud
rates, use a maximum cable length of 3 m.
· For more information about communication through the RS232 interface, consult the RS232 manual (document no.
9.17.027).
· The FlowWare tools and accompanying documentation can be downloaded from the Accessories and software
section on the Bronkhorst® product pages (www.bronkhorst.com/products).
2.8.2 Fieldbus communication
The instrument can be connected to a fieldbus
system with the optional fieldbus connector on
top. At the same time, RS232 communication
with a Windows computer is possible through
the 9-pin D-sub connector on the side of the
instrument.
This example uses the following components:
· EL-FLOW® Select with DeviceNet™ interface
· DeviceNet™ M12 cable (art no. 7.03.323)
· DeviceNet™ M12 Y adapter (art no. 7.03.319)
· RS232 cable (art no. 7.03.367)
· RS232-USB converter (art no. 9.09.122)
· Windows computer (for readout and control)
Note that the used fieldbus components in this
example are specific to DeviceNet™. For connecting with other fieldbus systems, other cables and adapters are needed.
Always check the total power consumption of your instruments before connecting them to a fieldbus system. Do not exceed
the maximum power of the power supply unit.
For all available fieldbus types except PROFIBUS DP, the fieldbus connection on is used to power and operate the
instrument. For PROFIBUS DP, the instrument needs to be powered through the 9-pin D-sub connector on the side of the
instrument as shown in RS232 communication.
Consult the according fieldbus manual for more information about setting up a fieldbus network with Bronkhorst®
instruments.
If you need assistance with setting up a fieldbus system, contactyour Bronkhorst representative for information.