Safety module NCUM50

Functional description

Safety control unit used to detect the uncontrolled movement of the lift cabin in accordance with EN 81-20.

Application fields

  • Elevator uncontrolled movement detection to be used with overspeed governor (OSG)
  • Leveling and re-leveling circuits

Main features

  • 24V AC/DC power supply
  • Inputs for safety chain
  • Inputs for floor position sensors
  • 1 Safety outputs for UCM
  • 1 Safety output for leveling and re-leveling
  • 2 Auxiliary outputs for UCM and leveling
  • Manual start for UCM circuit; manual or automatic start for leveling
  • Delayed activation of the UCM output dependeng of the landing/car door opening
  • Certified according to EN 81-20 and EN 81-50 as safety circuit for UCM detection
  • UCM test circuit inputs and outputs