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Tel. +45 7916 6666


Semco Maritime
Esbjerg Brygge 30
DK- 6700 Esbjerg

Zone 2 Fast Response System (FRS) Surface Electrical Control System (SECS)

Customer: Expro North Sea Ltd
Location: Bbuilt in the UK, delivered to Australia
Period: 2019-2020

Semco Maritime successfully delivered its first SIL2 capable ATEX/IECEx FRS SECS to be used alongside Expro’s existing wireline direct hydraulic controls, causing emergency shutdown times to be faster than allowed by just the DH systems.

Competences and systems

Preparation of job folders and maintenance of:

  • ATEX/IECEx certified
  • DNV2.7.1 certified
  • Safety integrity level 2 (SIL2) capable
  • In-house solenoid shutdown simulation tested
  • Ex de UPS system
  • Ex de control system
  • Line monitored local and remote ESD stations
  • HMI & keyboard
  • Programmable logic controlled safety system
  • First customised design made
  • Fully redundant UPS/control system
  • Suitable for worldwide use due to the capability and life expectancy of the design