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Digital (fieldbus) technology
About digital "multibus" instruments
General specifications
- based on a 16-bit micro controller with FLASH memory
- analog input/output: 0...5 Vdc, 0...10 Vdc, 0...20 mA, 4...20 mA (sourcing)
- valve output can be monitored
- 2 LED's for status indication
- 1 multi-functional switch for digital functions
- rotary switches for selecting the node address and the DeviceNetTM data rate
- configuration software for operation and service is available (through RS232)
- best accuracy +/- 0,5% of reading plus +/- 0,1% full scale (based on actual calibration)
- up to 8 calibration curves
- Gas MFC's with fast response - settling times down to 150 msec (see graph)
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Fieldbus specifications
Profibus
Bronkhorst High-Tech Mass Flow Meters/Controllers can be directly used as PROFIBUS-DP® slaves. By using the SPC3-Asic of Siemens Baud rates of up to 12 MBaud can be achieved.
Downloads
DeviceNet
The DeviceNet™ interface was developed in accordance with SEMI E54, the standard for sensors and actuators.
Downloads
Modbus
Bronkhorst High-Tech Mass Flow Meters/Controllers can be connected to Modbus as a Modbus slave.
Downloads
EtherCAT
Bronkhorst Mass Flow and Pressure Meters/Controllers can be supplied as EtherCAT® slave devices. This fieldbus system offers short cycle times with low communication jitter and low hardware costs.
Downloads
FLOW-BUS
FLOW-BUS is a fieldbus, designed by Bronkhorst High-Tech BV, based on RS485 technology, for digital communication between digital devices, offering the possibility of host-control by PC.
