Bronkhorst®
Instruction Manual FLEXI-FLOW™ Compact
9.17.158A
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1.4
Product features
1.4.1
Configuration via USB-C or Bluetooth
Support interface (USB-C)
The
can be used to configure and/or monitor the instrument in its operating environment, without
the need to disconnect the power supply and fieldbus connection.
At the same time, the power supply on the USB connection is sufficient to allow configuration of the instrument before it is
integrated in the process environment.
Bluetooth
The instrument can be configured via a wireless Bluetooth connection, again without the need to disconnect the power
and fieldbus connection.
The required power can be supplied through the power connector or the USB-C- connector.
The FLEXI-FLOW™ Compact is delivered with Bluetooth disabled; it can be enabled using FlowSuite.
·
For operation, the instrument always needs to be powered through the power connector.
·
Bluetooth configuration requires powering the instrument through the power connector or support interface.
·
To minimize heat build-up in the instrument, it is recommended to keep the support interface connected only when
needed for configuration and/or monitoring purposes.
1.4.2
Instrument status (NAMUR)
With the
, the FLEXI-FLOW™ Compact shows its
, using a color range based on
the NAMUR NE 107 standard. The colors provide easily recognizable signals to the operator regarding corrective actions,
malfunctions, maintenance indications, etc.
Comprehensive diagnostic information based on the NAMUR status is available in FlowSuite.
1.4.3
Multi-parameter functionality
The FLEXI-FLOW™ Compact works in much the same way as any regular digital Bronkhorst® instrument. Upon delivery, the
FLEXI-FLOW™ Compact is configured as a (mass) flow controller. An integrated temperature sensor and 2 pressure sensors
provide additional real-time measurement data, allowing the main instrument function to be
.
1.4.4
On-board FLUIDAT® database
A built-in database with properties of 22 commonly used gases provides the basis for up to 8 fluid presets, which can be
stored in the instrument using FlowSuite or a custom-built (PLC) program.
A compensation algorithm (FLUIDAT® On Board) continuously adjusts the gas flow based on the currently measured
temperature and pressure and the properties of the selected gas (mixture).
1.4.5
Multi-modular systems
The FLEXI-FLOW™ Compact can be supplied as a system with up to 8 modules which are linked fluidically by means of a
manifold-like construction. The modules can be controlled individually on FLOW-BUS or Modbus, or through a
in other fieldbus systems. The gateway and the instruments behind it are powered through a single cable.
For information about FLEXI-FLOW™ Compact based multi-modular systems and possible applications, contact your
Bronkhorst representative.
1.4.6
Default valve state
When a controlling instrument is not powered or cannot communicate with the fieldbus network (if applicable), all electrical
valves operated by the instrument (whether integrated or external) automatically return to their default state. The default
state is closed for 'normally closed' valves (n/c) and fully open for 'normally open' valves (n/o). Taking into account the
typical process conditions under which the instrument is used (such as the processed media and ambient conditions; see
also
), the default state is generally considered safe.
Check the serial number label or the
to see which valve type is used on your instrument (if
applicable).
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