Dynatech A3 SD-BOX

Product Code: DYN/A3/SDBOX

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Product Description

Dynatech A3 SD-BOX

SD-BOX is a PESSRAL electronic UCM control device certified to SIL 2 by TUV Rheinland and designed in accordance with UNE EN81-20/81-50 safety standards.
This system is used for detecting any type of uncontrolled movement of the car (UCM) with the doors open. Should an uncontrolled movement occur, the safety line opens and the overspeed governor is locked.
It must be used along with an overspeed governor incorporating a governor rotation locking coil.

Power Supply:
24VDC Power Supply
Battery Power Supply: 12VDC, 1.5Ah

Required Input Signals Coming From The Installation:
Redundant Door Signal (DOORS): Between 24VDC & 230VAC
Drive Machine Signal (MOTOR): Between 24VDC & 230VAC
Duplicate Level Signals (LEVEL1 / LEVEL2): 24VDC

Optional Input Signals Coming From The Installation:
External Manual Rescue Signal: 24VDC
External Reset Signal: 24VDC

Safety Line Contact with Auto-Check
System Failure Information
Governor Elements Connection
Governor Unlocking Coil: 24VDC
Inductive Sensor or Micro Switch: To check that the coil is operating correctly.

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