Libratherm Instruments offers Multi Loop PID Controller, PID-8000. This is a microprocessor based 8-loop PID temperature/process controller for processes requiring multiple zones heating or heating plus cooling control, or for average temperature control using multiple sensors. It is most suitable f...
Libratherm Instruments offers Multi Loop PID Controller, PID-8000. This is a microprocessor based 8-loop PID temperature/process controller for processes requiring multiple zones heating or heating plus cooling control, or for average temperature control using multiple sensors. It is most suitable for difficult process, which results in frequent system disturbances, and applications where accurate temperature of number of heating/cooling zone is required. It also eliminates the need for number of individual PID or On/Off temperature controllers thereby saves on cost. The unit can accept 8 thermocouples or RTD (Pt-100) inputs and can provide switching PID or On/Off control output in the form of DC pulses or SSR drivers for heating and cooling. It can also simultaneously provide 8 analogue PID control outputs in the form of (4-20 mA) or (0-5 V), which can be used to drive external SCR heater power controller or other actuators. Open or faulty sensor indication for each zone is also displayed with the respective zone number. Each zone loop parameters like PID, set, hysteresis, power limit and ramp time values can be programmed from the user-friendly front panel membrane keyboard. The display scan rate is programmable from 1 to 99 seconds, whereas the internal control scanning is at the rate of 100 ms. It also provides common high- and low-alarm relay outputs, which can be used for external temperature dependent, inter locking or audiovisual alarm. PID-8000 is available in standard 1/2 DIN (192 x 96 x 200 mm) for 8, 6 or 4 zones find its applications in plastic extruders, plastic injection, tunnel furnaces and ovens, etc. It operates on 230 V AC with built in high and low supply voltage trip circuits. It is also protected against industrial RFI/EMI interference.
Plastic extruder for pipes, sheets etc.
Plastic injection, for runner less moulding
Heat treatment using tunnel furnace
Large furnace and oven for homogeneous control
Multi zone furnace
Laboratory equipments etc.
Microprocessor based design.
Elegant looks and Very easy to operate.
Accepts all types of maximum 8 inputs
PID or ON / Off heat and cool action per channel.
All zones are individually configurable for heat or cool.
Compact in size – ½ DIN (192 x 96 x 200 mm).
Versatile application and sturdy in operation.
Accuracy better than ± 0.1 % of the full scale.
RS 485 / RS 232 Serial communication available
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