DeltaV DCS Replacement Project:
Our client replaced a 2500 I/O Foxboro DCS with a DeltaV DCS. The project included DCS design, field engineering, panel fabrication, programming, factory testing, installation, loop check, and start-up support. The system included over 50 nodes. We also included connection of serial devices via Modbus communications to provide monitoring and control of local PLC based shutdown systems.
DeltaV DCS Project with Bus Technology:
The scope of the project included converting 1500 pneumatic I/O to DeltaV DCS. The project required DCS design, field engineering, panel fabrication, programming, factory testing, installation, loop check, and start-up support. The design phase also included design of new field instrumentation, procurement and commissioning of instruments. The field devices were all bus based, including Foundation Fieldbus, AS-i bus, and Devicenet. The project also featured configuration of an Aspen plant data historian connected to the DeltaV system via OPC.
DeltaV DCS Replacement Project:
In this project, we replaced a 1500 I/O Provox DCS with a DeltaV DCS. Tasks included DCS design, field engineering, procurement, panel fabrication, programming, factory testing, installation, loop check, and start-up support. The DCS configuration required us to develop Batch recipes using DeltaV Batch, and configure the Sequential Function Charts (SFC’s) that interfaced with the Batch system to control the unit. During the installation phase, we managed the removal of the existing Provox DCS hardware, retrofitted the cabinets with new back panels that contained the new DeltaV I/O, and re-connected the field wires.
Storage Tank Monitoring System Replacement:
The project included design, programming, factory testing, installation, loop check and startup support for replacing a Foxboro HTG system on ~170 storage and feed stock tanks. We accomplished measurement accuracy to the operator interface system equal to the storage tanks custody transfer meters. We implemented the project using SAAB radar, Rosemount transmitters and temperature elements, reading data to an existing DeltaV system with look up to individual tank strapping tables to calculate mass for high-high alarm backup system. We then communicated data via OPC link to Oracle/SAP Enterprise system for production planning, inventory management, shared tank use, and vendor supplied inventory replenishment.
Hybrid Safety Shutdown System:
The scope of the project was to provide a redundant safety system utilizing DeltaV controllers and Allen Bradley PLC's. Each system monitored and controlled separate I/O and provided system shutdowns independently. Project elements included engineering, design, configuration, fabrication, start-up and training.
Pipeline SCADA Maintenance:
This project features continual support for a local customer’s pipeline SCADA master and remote control units including maintaining Telvent Oasys DNA graphics and database. We also supply programming and on-site support of Modicon, GE, and Allen Bradley PLC systems.
We really appreciate your dedication, professionalism, expertise, knowledge, and overall commitment to this ‘emergency’ task. The coordination and cooperation the BH SPR received through this internal intense nature caused a level of confidence that Scallon Controls is definitely a company we want to gain and keep a great working relationship plus has extensive skills that will benefit the SPR as a whole.
In the 30 years I’ve dealt with Scallon I have noticed that all their competitors single them out as the company to beat and companies don’t target second rate outfits. They have a product line better than the rest and a service organization that is exemplary. However I think what sets them apart is their expertise of engineering support from both their engineering and sales group. In my experience I know of no other company that is as professionally organized as them.
Scallon did an outstanding job. During the flood recovery process, 450+ DVC positioners were installed and calibrated. I cannot put a dollar value on the benefits realized but this refinery now has 450+ loops with improved uptime, controllers better able to run in highest mode, minimization of operator moves/hr. and control valves taken off of bypass.
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Please take a moment to provide us your details and one of our talented professionals will respond as quickly as possible