LPG terminal: control system, SCADA & loading management
LPG terminal, Abuja · with Becord Technologies
The complete control layer for a new LPG terminal: a redundant PLC system, control-room SCADA, and a loading system that decides who may load, what, how much and at which bay, with a permanent record of every load.
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The problem
A new terminal with a four-bay truck loading gantry, bullet tanks, cylinder bottling and a fire-water ring main needed one system to run and protect the plant, and to replace paper tickets and trust with an auditable record matching what the meters actually measured.
What we did
A Siemens S7-1500R redundant PLC pair with ET 200MP remote I/O (229 allocated channels on two racks) for the plant, emergency shutdown and gas detection; an Ignition SCADA control room covering tanks, valves, bottling, gantry and the fire network; and a Terminal Manager that authorises each truck by card and writes its recipe to Smith Meter AccuLoad batch controllers over Modbus before it arrives, so loading continues even if the office network drops. Tank gauging, the weighbridge and the fire-pump controllers are integrated over Modbus. Delivered with Becord Technologies.
The result
Design, software and a full engineering document set delivered: system architecture, IP plan, PLC tag and termination lists, operator manual and site acceptance test. The site server and network are installed, and commissioning is under way.