Lift ontroller main board MCU Version 1.2

Technical specifications

Temperature range
0°C to +60°C
Max. current consumption by 24V
<500mA @ 25°C (allrelays and inputs activated)
Max. input current IM1/IM2
2mA @ 25°C / Input
Max. input curent IM3 bis IM8
10mA @ 25°C / Input
Max. currentKM1-KM8; KM-CA
8A/250V AC / Relay
Max. input current 230V inputs (Safety line, contactor monitoring)
10mA @ 25°C, 230VAC, 50Hz / Input
Mechanical dimensions
Length: 241mm
Width: 190mm
Height: approx. 40mm
Main board MCU Version 1.2

Order information

MCU Version 1.2


  • Highly integrated Infineon – Microcontroller with internal  Flash memory
  • Modern FRAM Technology for storing events, faults and other data
  • Integrated battery charging circuit
  • Operation of MCU with battery power supply possible
  • battery buffered 24V and 12V power supply output
  • Integrated real-time clock
  • 2 opto-isolated CAN-Bus systems (conterl bus, shaft bus)
  • 1 opto-isolated RS485 interface,
  • 1 RS232 interface
  • 6 opto-isolated digital inputs, low active
  • 2 opto-isolated inputs for PTC; also usable as digital inputs (low active)
  • 4 TÜV-certified, EN81 compliant safety circuit monitoring inputs 110V/230V AC, 50/60Hz (opto-isolated)
  • 1 input 110V/230V AC, 50/60 Hz input (opto-isolated)
  • 2 EEPROM memories for parameters (32kByte each; in socket)
  • 4-layer PCB with internal power layers
  • JTAG interface for software update
  • 8 freely programmable Relays
  • integrated alarm call relay
  • various LED status indicators
  • Keypad with 14 keys
  • LCD – Display 4 lines / 16 characters
  • Interface for incremental encoder

Note: Not recommended for new installations