Fast, digital, programmable PID-controller for IR

For some applications proprietary PID controllers cannot react fast enough to changes in the process temperatures, making control of heating cycles very difficult

For example the induction heating of small wire components is so fast that the heating cycle would be completed before the controller has fully reacted, resulting in overheating and a rejected component.

To meet this requirement IMPAC have introduced the PI 6000 Fast PID Controller.

The PI 6000 is a very fast programmable PID-controller.

It is designed for the use with IMPAC digital pyrometers (Series 5, 12, 50, 140, 510 and 520) and features an extremely short controller-cycle time of only 250 us.

The PI 6000 can execute a maximum of 9 programs (ramps) with up to 20 temperature steps.

Each programme can be selected, started, stopped or paused via the instrument.

So target temperatures can be preset and sequentially triggered via time and temperature regulation.

Manual control is also possible.

The programming of the controller is carried out using a PC and InfraWin software.

A PC is not required for the actual operation, since it can be controlled via the integrated keys of the PI 6000.

In addition to the measuring pyrometer a second pyrometer, which monitors the measured object, can be attached to the PI 6000.

An "emergency shut-off" will be activated, if the selected maximum temperature is exceeded.

Any pyrometer with analogue output 0 or 4 to 20 mA will be suitable as an "alarm pyrometer", provided that it is also suitable for the individual application.

The display of the PI 6000 shows the selected programme, the current measured temperature as well as the activity of the controller-output.

Additional LEDs above the instruments buttons also indicate, if the programme was stopped (by the "alarm pyrometer") or if the laser targeting light is switched on (if applicable).

The introduction of the PI 6000 enables full control of processes that previously could only be accomplished using time/power algorithms, eliminating any problems due to power fluctuations and other process variables.

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