Control Systems: Multiloop & Setpoint Controller

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Control Systems by Gefran

Multiloop Control Systems: Gefran GF Looper | Gefran GF Promer

Gefran components can be combined into high performance multiloop control systems. For example, use a high performanceGefran 2500 controller to control pressure, web tension control, ratio control and math calculatons for process control. The Gefran GF Promer graphics programmer allows easy system management, featuring colour display, TFT and a 3.5" or 5.7" touch screen.

  • Simplify programming with complete, direct messages and icons
  • Save & manage distributed control architectures
  • Flexibly select input/ output modules such as with Gefran "Geflex" and "Gilogic II" series components
  • Run up to 300 steps in 100 programmes
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Gefran GF Promer: Programmer/ Controller

Gefran GF Promer

GF_PROMER is a time-variable setpoint programmer,
4-loop controller, graphic trend and bargraph display, all in a single device with data saving functions.

The user interface, based on an LCD TFT colour touch screen (3.5" and 5.7"), is extremely simple to use.
Configuration menus are identified by keys and icons that give immediate access to work program creation pages.

Every program is identifiable with a number and a name, a time base definable in days/hours, hours/min, min/sec, different start and stop strategies. In addition, a number of cyclical repetitions of the program can be set. The programs are in easily scrollable list form and are selected directly on the screen.


Gefran GF Looper: Multiloop Controller

Gefran GF Looper

GF_LOOPER is an advanced series of multi-runner controllers offered in 16 zone configurations, with complete and easy to use functions for a variety of applications.

The operator interface is based on an LCD TFT color touch screen, 3.5" and 5.7", designed for very easy use.

The work and configuration pages are identified by keys with intuitive icons that give immediate access to selected functions. Predefined password levels, compatible with operator authorization, guarantee controlled access to functions.




Gefran GF PROMER: time-variable setpoint programmer
Gefran GF LOOPER: Multiloop Graphic Controller
Gefran GFXTERMO4 Process Controller
Gefran 600: Single Loop Controller

Gefran GF Promer: Features

The Gefran GF PROMER is a setpoint programmer /controller that is easy and quick to program and use for any user in any sector.

Main characteristics

  • Intuitive graphics software, designed for guided, "no-manual" programming
  • Copy/ paste/ delete functions to speed up programming
  • Graphics functions that let you immediately display the programming result
  • Monitor pages that let you control the process by checking trends of variables, setpoints, numerical values, event output state and clearance inputs on a single video page
  • Channel display pages with bargraph, numerical data, information on the current control
  • Ability to include/exclude any channel on the monitor pages (both trend and bargraph) to adapt the display to the user's preferences with a simple click.
  • Saving of parameters, export of historical data to USB

These features make the GF PROMER, a programmer with 100 programs and 300 segments and up to 4 control loops, one of the simplest and most intuitive products on the market.

Application examples

Test Benches
Metal Deformation
Heat Treatment Ovens

Amongst the main sectors benefiting from this innovation are thermal treatment furnaces, climatic chambers, and autoclave driers. Successful application examples have been found in the plastics & packaging, food, metal processing, petrochemical, pharmaceutical & water treatment industries.

Pharmaceutical Industry
Food Industry
Petrochemical Industry
Water Treatment
Packaging Industry

Gefran controllers let you acquire one or more analog inputs, convert them into engineering units, and compare them to setpoints. By applying PID control algorithms with automatic parameter calculation, they supply output signals to control actuators installed on the process.

Gefran controllers range from popular general purpose models to advanced, high-performance solutions made with graphics devices and distributed or integrated control architectures. They can be connected in a network and set for remote access for tele-assistance and remote control.

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