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Extendable flow computer


An upgraded path to new digital technologies

This new generation of flow computers and RTUs offers a low-power, high-reliable microprocessor-based unit with a new Linux operating system, persistent memory, and new connectivity, combined with the same wide range of measurement, monitoring, and alarm applications for remote oil and gas systems. It also provides an upgrade path to new digital technologies and protocols such as MQTT, and a secured wireless connection (WiFi-Access Point or Bluetooth).

Forward compatibility
  • Built to be compatible for future applications

New features

  • Supports Wi-Fi access point and Bluetooth
  • New pulse inputs voltage range

Integral multivariable

  • Accuracy of ±0.05% of user calibrated spans from 20% to 100% of URL
  • Ambient temperature effect of ±0.075% of URL
  • Stability (for 12 mo) of ±0.1% of URL

Backward compatibility

  • Same hardware form and factor of previous generation
  • Majority of the features such as on board I/O, wirings, and software configurations are compatible with G4 XFC & XRC devices

Certifications (hazardous location classification)

  • CSA C/US Class I, Div 2, Groups C&D T3 -40°C (-40°C) to
    +140°F (+60°C)
  • ATEX: Sira 10ATEX4138X II 3G Ex nAc IIB Ge T3 Ta= -40°C to
    +60°C (European Union Directive 2014/34/EU)
  • IECEx: CSA09.0013X, Ex nAc IIB Ge T3 (-40°C ≤ Tamb ≤



XSeriesG5 devices continue to provide a large set of functionalities related to RTU, PLC and flow computer concepts, but now in a forward-looking microprocessor and a Linux environment.  ABB's XSeriesG5 products are available in one of two product families:
  • eXtendable Flow Computeres (XFCG5)
  • eXtendable Remote Controllers (XRCG5)


The XFCG5  is the "fifth generation" of Totalflow flow computers.  Benefits and features of these particular products include:
  • Smart Integral Multivariable Transducer (XIMV)
  • comprehensive custody quality data history
  • Automation, control, alarming and data logging capability
  • Base I/O targeted at low cost automation projects
  • New PI operational range
  • Quick easy installation
  • WiFi and Bluetooth for local wireless connectivity
  • On-board Ethernet port
  • Backward compatibility
  • Extendable hardware and software

The XFCG5 includes an Integral Multivariable Transducer (XIMV) to measure differential pressure, static pressure and temperature from a single differential pressure meter run.  The XIMV is housed in a shielded, environmentally-protected enclosure which is mounted inside the flow computer enclosure and is characterized and calibrated at the factory.  Multi-tube capability is available in each unit and is easily invoked with a few configuration changes and interface connection to external transducers, either digital or analog.

The processing and memory capability of the XFCG5 allows the user to run more applications faster than ever before. Up to twenty (20) AGA3 measurement tubes performing full calculations once a second or eight (8) wells with fully configured control and measurement applications for liquid and gas.

In addition to the basic flow computer inputs (DP, SP and TF), the standard device includes: two (2) analog inputs (0 to 10 volts DC), two (2) digital outputs and two (2) digital inputs which can be configured as either status inputs or pulse accumulator inputs and two different operation voltage ranges.  Each unit is powered by an internal battery that can be solar charged (or other suitable DC supply) for remote unattended operation. Several charging options are available.

In addition to the local configuration serial port, two communications ports are supplied with the standard unit. These ports are modular and user selectable for RS232 and/or RS485.

One integrated 10/100 Base-T Full duplex Ethernet port for net-work connectivity as standard offering together with WiFi and Bluetooth is available as well as a local wireless connectivity for Flash download and local configuration.

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