Tier 1 Mining Company VSD Upgrades
Introduction
A tier 1 mining company comprising of Stackers, Shiploaders, Reclaimers, LRP's, Sample stations and Car Dumpers required the Variable Speed Drives upgrading, the site extensively uses VSD's across the its operation, the VSD's at the site were at the end of there life cycle and entering the discontinuation stage.
The existing Danfoss, Siemens Master drives and Siemens Micromaster Drives were to be upgraded with the latest Siemens Sinamics G120's, G130's S120's and S150 VSD's. The current interfaces were profibus and DeviceNet which were being upgraded to Ethernet with the new hardware.
Scope
The work included review of the electircal design, control system modifications to the PLC's and Logic to accomodate the new hardware and communications interface, documentation for the life cycle of the project, FAT testing with the VSD hardware, PLC and Citect servers, SAT testing, installation supervision annd Commissioning.
Crane Citect SCADA Project
Introduction
Scope
Develope Citect SCADA for a new automated crane , including SCADA Mimics, Alarms, Trends and Cicode for custom functions.
The project included upgrading to a new site version V8.2, each individual crane mirror's it tags to the site wide system.