Stem S.r.l.
Safety modules NCUM10-NCUM20
Functional description
Safety control units used to detect the uncontrolled movement of the lift cabin in accordance with EN 81-20.
Application fields
- Elevator uncontrolled movement detection
- Leveling and re-leveling circuits
Main features
- 24V AC/DC power supply
- Inputs for safety chain (voltage options: 24, 48, 60, 110, 220 V AC/DC)
- Inputs for floor position sensors
- 2 Safety outputs for UCM
- 2 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
- Certified according to EN 81-20 and EN 81-50 as safety circuit for UCM detection
- UCM test circuit inputs and outputs (only for NCUM10)