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Qingdao Refinery


Project Challenges
  • Qingdao refinery’s Water Supply System was using wired flow meters.  The measurement points were scattered, and cabling to the control room was difficult.
  • Data reading was done by manual inspection, causing high labor costs and non real-time data.

Solution
  • Wireless analogue input transmitters were installed to convert existing flow meter outputs, 4-20mA signals, into wireless signals.
  • The wireless transmitters communicated with multifunctional nodes, and integrated into the DCS via the wireless network.

Benefits
  • Data was integrated between the wireless network and the existing DCS system, allowing real-time monitoring of water supply system flow by the DCS.
  • Simple constructions—no need to layout cables and cable bridges, no need to damage or work around existing infrastructure—reduced cost and commissioning time.

View detailed PDF here.

Aug 12 ISA100 Wireless for Safety: New Options for Gas Detection with the Polytron 6100 EC WL (August 12th, 2020)
Sep 23 ISA100 Wireless Control (September 23rd, 2020)
Oct 21 ISA100 Wireless Overview and Draeger Use Case (October 21st, 2020)
Nov 18 ISA100 Wireless Rapid Development Kit (November 18th, 2020)
Dec 16 Wireless Control with PMV/Flowserve (December 16th, 2020)