Topworx D-ESD Series - Partial Stroke Test

TOPWORX limit switch box - Series D
Limit switch box - Explosion-proof enclosure

Characteristics:

• Control of the valve without disturbing the process.
• An indication of success / failure by a high / low response rate of the return signal.
• Open and closed position sensors to send a signal to the DCS / programmable logic controller.
• On-board diagnostic for preventive maintenance.
• Optional: Partial, local and lockable stroke test button.
• Aluminum body.
• High visibility position indicator.
• Possibility of having a control integrated into the box.
• VDI / VDE 3845 interface
• IP 66-67 protection
• x2 ISO M20 x 1.5 cable entries (Standard - Other options on request)
• A large choice of proximity sensor:
  • Contact dry mechanical SPDT / DPTP
  • Go switch
  • Inductive proximity switch
• ATEX / IECex
• SIL 3 compatible