SD-Box PESSRAL
SD-BOX is a PESSRAL electronic UCM control device certified to SIL 2 by TÜV Rheinland and designed in accordance with UNE EN 81-20/81-50 safety standards.This system is used for detecting any type of uncontrolled movement of the car (UCM) with the doors open.
Power supply:
- 24VDC power supply.
- Battery power supply. 12 VDC, 1,5 Ah.
- 24VDC power supply.
- Battery power supply. 12 VDC, 1,5 Ah.
Required input signals coming from the installation:
- Redundant door signal (DOORS): between 24 and 230 VDC/AC.
- Drive machine signal (MOTOR): between 24 and 230 VDC/AC.
- Duplicate level signals (LEVEL1/LEVEL2): 24 VDC.
Optional input signals coming from the installation:
- External manual rescue signal: 24 VDC.
- External reset signal: 24 VDC.
Outputs:
- Safety line contact with auto-check.
- System failure information.
Governor elements connection:
- Governor unlocking coil: 24 VDC.
- Inductive sensor or microswitch: to check that the coil is operating correctly.
TRI/DAS.IV-A/001315/20
