Bronkhorst®
Instruction Manual EL-FLOW® Select
9.17.099J
18
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, RS-232 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)
·
RS-232 cable (art no. 7.03.367)
·
RS-232 to 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
.
For information about setting up a fieldbus network with Bronkhorst® instruments, consult the according
If you need assistance with setting up a fieldbus system, contactyour Bronkhorst representative for information.
2.8.3
E-8000 power supply, readout and control
Using an E-8000 module, instruments can be
powered (100…240 Vac) and operated via RS-
232. Most digital parameters and functions are
accessible via the display interface and the
control buttons.
This example uses the following components:
·
2x EL-FLOW® Select
·
2x RS-232/power supply cable (art no.
7.03.016/7.03.538/7.03.539)
·
E-8000 power supply, readout and control
module
Consult the
E-8000 manual
(document 9.17.076) for more information. This manual can be downloaded from the
Accessories and software
section on the Bronkhorst® product pages (
).