1 scope of this manual, 1 introduction, 2 product description – Bronkhorst IQ+FLOW (from 01-07-2013) User Manual

Page 6: 3 references to other applicable documents, Scope of this manual, Introduction, Product description, References to other applicable documents, 1scope of this manual

Bronkhorst High-Tech B.V.

IQ+FLOW

9.17.045

Scope of this manual

1.1

Introduction

This manual covers the IQ

FLOW

series mass flow/pressure meters/controllers for gases. Examples of the instrument series are

shown in the pictures below. This manual includes product information, installation instructions, operation, maintenance and

troubleshooting.

1.2

Product description

The IQ

FLOW

series is one of the smallest mass flow, chip based, instruments of its kind for applications with pressure conditions

up to 10 bar (145 psi) and temperatures between 5 to 50 °C (41 to 122 °F). Due to the use of micro system technology, ultra

compact flow controllers are realised with dimensions of only 20 x 40 x 60 mm. The (IQF) flow controllers are able to measure and

control flow rates of 10 mln/min FS up to 5 ln/min FS. The (IQP) pressure controllers are available in ranges from 0.3 to 150 psi
(0.02 to 10 bar). The IQ

FLOW

series has a modular concept with combinations of 20 mm footprint modules, available as single

instruments, but also as multiple channel arrangements. A very compact manifold (IQM) system can be constructed, with one

multi-channel digital pc-board (per 3 channels) in a single housing. Additional filters, control valves and shut-off valves are available

with the same footprints to meet customer demands. The IQF flow sensor is a fast-response chip sensor, with the main advantage

of fast and reliable control response. This is possible due to the MBC3-based pc-board and the flow sensor, which output signal

very accurately corresponds with the real flow behavior.

Communication with the devices can be either in analog mode or digital over RS232 or RS485. Communication over RS232 is

established with the Propar (FLOW-BUS) protocol. With digital operation over RS485 a bus-system with multiple instruments can be

set up. Modbus RTU/ASCII and FLOW-BUS protocols are supported (some exceptions for multi-channel versions, see section 3).

1.3

References to other applicable documents

Instructions:

FLOW

Quick Installation Guide (document nr. 9.17.074)

Operation instructions digital instruments (document nr. 9.17.023)
RS232 interface with FLOW-BUS for digital instruments (document nr. 9.17.027)
Modbus slave interface for digital Mass Flow / Pressure instruments (document nr. 9.17.035)

Technical drawings:

Hook-up diagram IQ

FLOW

RS232/RS485 + Analog I/O (document nr. 9.16.101)

Hook-up diagram IQ

FLOW

Manifold (multi-channel) (document nr. 9.16.090)

Dimensional drawing IQF/IQP (document nr. 7.05.870)
Dimensional drawing IQFD/IQPD (document nr. 7.05.871)
Dimensional drawing IQM (document nr. 7.05.760)

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These documents are available on: http://www.bronkhorst.com/en/downloads

or can be applied for at our local sales & service representatives