Application
Purpose : Driver's heating / defrosting function management console for public transport vehicles (bus, tram).
Presentation : control box with a back-lit keyboard-console with control keys for the main functions:
- 5 ventilation level keys,
- 5 heating level keys,
- 2 flap direction keys,
- 1 air recycling key,
Technical features
Power supply :
- 24 VDC, battery
- Min 18 V
- Max 32 V
Inputs :
- 1 hot water detection
- 1 air conditioning switch
- 1 heating authorisation
- 1 position light
- 1 control station type
- 1 heating valve position (potentiometer)
Outputs :
- 1 NO heating request contact (10 mA DC)
- 4 dry contact outputs (of which 3 doubled)
- 1 output with motor polarity reversal air recycling,
on-off control if there is an air recycling solenoid - 1 output with motor polarity reversal for the foot flap
- 1 output with motor polarity reversal for the windscreen flap
- 1 output with motor polarity reversal for the heating valve
- 3 NO contact outputs, 100 mA / heating element
- 1 5 amp permanent protected power supply.
Encombrement :
- Console: 240 x 300 x 50 mm
- Rear card: 250 x 350 mm
Components
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- 8 bit 80C31 microprocessor
- HCMos logic
- Back-lit keyboard
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