PLC for automatic dispenser

Application

Object : control of an automatic dispenser of various objects in public sites.

Presentation :

* Rack grouping a front panel with a keyboard, display, CPU, power supply, inputs, outputs.
* the equipment is able to manage 40 types of objects (maximum number of objects = 40),
* Standard serial link, cash dispenser, card reader, modem, telemaintenance.

Technical features

Power supply :
* 24 VDC.
 
Inputs :
* 40/80 digital inputs,
* 40 push-buttons.

Outputs :
* 40/80 static outputs - solenoid control 1 among 0/80,
* Option for vocal synthesis,
* 40 LEDs on front face,
* 1 RS 232C link for bank card reader,
* 1 current loop for cash dispenser,
* 1 optional RS232C link for modem supervision.

Dimension :
* 150 x 160 x 270 mm.

Components

* Microprocessor 8 bits 80C31,
* HCMOS logic,
* Retro-lghted display 4 lines of 20 characters,
* Anti-vandal keyboard (12 keys).