Jumo Imago F3000 Process Controller
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  • 5" color display, 12mm LED displays for process values
  • Configuration and parameter levels in English, German, French
  • Math and logic functions
  • Teleservice via modem
  • Setup program for Windows 95/98/NT4.0/2000/ME
  • Program editor

The JUMO IMAGO F3000 process controller is built to a modular design, and suitable for the control and regulation of cooking, smoking and climate-control installations, and all associated equipment such as smoke generators, catalyzers etc. They are available in both upright (portrait) and horizontal (landscape) formats.

The unit has a 5" color display capable of showing 27 colors. Templates for the user interface can be individually adjusted and laid out by the users themselves. Texts, process values, background diagrams and icons can be arranged as required. A status line indicates the last alarm that occured. LED displays have also been included, so that the most important process variables are visible from a distance. Individual keys can be assigned to special functions and labelled accordingly.

The instrument can store up to 99 named profile programs of up to 99 segments. All the processes required in the system are defined in 99 process steps and then simply called up sequentially for the program entry. An optional Plug & Play memory is available that can store all the data from the instrument, thus enabling easy exchange of hardware without any problems caused by lost data. The "Teleservice" software makes is possible to carry out configuration from a remote location, via a modem and the telephone network, thus saving on-site service costs.

A communication interface for MODbus or Profibus-DP facilitates integrating the instrument into a network.

99 profile programs can be entered, stored, and changed at any time. They are made up of various process steps with the associated setpoint values. A program can have a maximum of 99 segments. A total of 3000 segments can be stored for all programs together. The programs are chosen from a list or selected by meaningful icons.

A segment consists of a process step, up to 9 setpoint values, and the segment time. Various conditions for moving to the next step control the segment sequence.

A process step contains various pre-defined systems states for smoking, reddening etc., which are usually specified by the system manufacturer. The user only has to select the process and enter the appropriate setpoints. Up to 99 process steps can be stored.

The system steps on to the next segments when:

  • the segment time has elapsed.
  • the programmed core temperature has been reached
  • the segment time has elapsed and/or the programmed core temperature has been reached.
  • the programmed final F value has been reached.
  • the programmed final C value has been reached.
  • a logic input that was configured as a condition for stepping on has been activated.
  • the programmed final F value and the programmed core temperature have been reached.

The process can be controlled by the delta cooking or F-value cooking methods. The signal for the end of a program is provided by a relay output.

18 of the total of 36 operating outputs can have a switching response assigned. They can be configured for ON-advance, OFFadvance, ON-delay or OFF-delay with respect to the changeover point from one segment to another. A pulse/pause ratio can also be selected. All times can be set individually.

After entering an operating time for the system, a counter runs and the system has to be enabled by a password. A second counter can, for instance, be used to monitor and signal cleaning intervals.

The math module makes it possible to include setpoints, output levels, analog input measurements and the like in a mathematical formula. The logic module can be used to create a logical combination of such variables as logic inputs, limit comparators and operating outputs. A maximum of 4 math functions and 8 logic combinations can be entered via the setup program, and the results of these functions can be delivered at the outputs or used internally. All logic formulae are processed and become effective within 100ms.

Standard features include self-optimization, making it possible for a user to adapt the controller to match the control loop without any knowledge of control systems engineering. This feature tests and evaluates the response of the control loop to specific changes in the control input parameters. The control parameters Xp, Tn, Tv and Cy are calculated.

The setup program for configuring the instrument can be installed in English, German or French. A PC can be used to create sets of data, edit them, transfer them to the process controls, or read them out from the instrument. The sets of data are stored and managed. 3 process layouts can be freely configured.

Teleservice includes:

  • Remote configuration and diagnosis of the system via modem
  • Establish a connection through the setup program by direct dialling through a setup or a callback, dialling by:
  • Display system status, such as operating modes, logic inputs and outputs, alarms and system information.
  • Process steps Process steps are defined through the setup program and transferred to the instrument. The program editor is used to compile the programs.

Process steps are defined through the setupprogram and transferred to the instrument. The program editor is used tocompile the programs.

The serial interface is used for communicationwith higher-level (supervisory) systems,and includes electrical isolation. The transmission protocols used areMODbus and Profibus.