Bronkhorst High-Tech Mass Flow Meters/Controllers can be connected to Modbus as a Modbus slave


Thermal Mass Flow Controller with Modbus interface
Thermal Mass Flow Controller with Modbus interface


  • Baud rates from 9,6 kBaud up to 38,4 kBaud
  • +15 Vdc or +24 Vdc supply voltage
  • RTU/ASCII transmission mode with broadcast support (basic slave implementation class)
  • RS485 2W-cabling (vendor specific RJ45 connector)
  • station-address and Baud rate setting by Modbus or using configuration tool via RS232
  • option: galvanic isolation up to 500 V (for data lines)
  • connection of max. 128 instruments to 1 bus (without repeater)
  • max. bus length: 600 metres

Modbus system example

Modbus downloads

FLOW-BUS and Modbus Accessories

Bronkhorst High-Tech B.V.

Nijverheidsstraat 1A
NL-7261 AK Ruurlo (NL)
Tel. +31 573 45 88 00

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