PLC for food industry machines

 Application

Purpose : The automation of a pastry industry machine (ice cream, chocolates, etc.). Choice of programmes with different temperature cycles and operating times. PID hot or cold temperature regulation. Slow or fast mixing regulation control.

Presentation : Remote front face with keyboard, display, operating LEDs. Management control box connected by cable with 3 cards (CPU, analogue inputs, relay power supply).

Specifics :

  • The front face is bare and a lexan to customise the equipment is overlaid on it.
  • Regulation possible using an intensity transformer to control the motor current.

Technical features

Power supply :

  • 230 VAC  -  50 Hz.

Inputs :

  • · 1 wall temperature
  • · 1 inner temperature
  • · 1 door contact
  • · 1 intensity transformer

Outputs :

  • · 1 hot relay
  • · 1 cold relay
  • · 1 horn relay
  • · 1 slow mix relay
  • · 1 quick mix relay

Size :

  • Front face = 200 x 110 x 25 mm
  • Control box = 160 x 100 x 80 mm

Components

  • INTEL 80C31 microprocessor.
  • All components using HCMOS technology
  • 7 segment LEDs display + LEDs.