Morgan Chileshe Maule

• DCS software configuration and system hardware equipment and software maintenance.
• Designs of new projects, installation and commissioning
• Maintenance of Plant equipment interlocks (emergency shutdown system.
• Maintenance of electronic, electrical, pneumatic, electro-mechanical instruments and equipment among which includes control valves, transmitters, transducers, thermocouples and so many others located at Workshop, Utilities, Plant, Chemical laboratory and movement of product which facilitate effective process control.
• Repair, overhaul, calibration and service plant, laboratory and clinical instruments
• Attend to plant break downs and trouble shooting
• Preparation of maintenance execution reports, planning scheduled maintenance works, project works and maintenance shut down works.
• Carrying out continuous improvement exercises by upgrading old systems. Carry out strategic planning to improve equipment availability and generating Instrument Datasheets, Loop Drawings, and Foundation fieldbus Loop drawings using in Tools

• Identified issues by testing and troubleshooting instruments, components and assemblies using voltmeters, circuit testers and oscilloscopes.
• Removed damaged instruments and repaired components.
• Monitored supply levels and requested additional spare parts, manuals or tools.
• Conducted troubleshooting procedures and root cause analysis to determine causes of problems.
• Inspected equipment to detect electrical leaks and other problems.
• Kept shop area and equipment clean, organized and maintained.
• Modified, maintained or repaired electronics equipment or systems to achieve proper functioning.

Siemens S7-400 PLC Hardware configurations, installation and downloading to the CPU.

Vijeo Citect SCADA ver.7.40 service p2 installation and configuration for client view or control.

Also installation and configuration wireless Vijeo Citect SCADA

Laying and termination of process field (PROFIBUS) cables that is PROFIBUS- DP and PROFIBUS -PA cables for process control.

Troubleshooting of process loops in the profibus plant using a PROFITRACE MACHINE.

Optical fiber single mode (SM) splicing and OTDR testing of the spliced cables and optical Ring networks.

Process Instruments’ installation/configuration (programming), calibration/maintenance of such instruments used for process variables like: Temperature, Level, Pressure, Flow, pH, Density, Weight, Particle (stone) size, Speed.

Maintenance of ALLEN BRADLEY (with Logix 5555, 5556 processors) Programmable Logic Controllers (PLCs) which we have linked to a Siemens Simatic S7-300 PLC through a PROFIBUS CABLE incorporated with SCADA System by Rockwell Automation using Ethernet cable through a HUB in PROFIBUS-DP Network.

Maintenance and repair of CERAMEC LAROX Filter machine employing a standalone Allen Bradley PLC with a HMI display.

Maintenance and installation of Conveyor Belt Feeders employing Siemens SINAMICS GM150 Variable Speed Drive (VSD) for medium voltage (550volts) (MV).

Installation and maintenance of Chemical dosing auto valves linked to the S7-200 Siemen PLC.

Maintenance and service of control system for Atlas Copco Oil injected screw air GA 15, 45 and 250 Compressors models with a built-in Human Machine interface (HMI).

Maintenance and service of Sandvik CH440 standard cone crusher’s Lubrication system and its control system.

Installation and maintenance (calibration) of Automatic intelligent Electro-pneumatic valves in closed loop level control with a Siemens muilt-ranger 100 level transmitter and Probe Level transmitters on both the ball mill feed and sump or discharge end.

Maintenance of Air Blowers temperature sensors and other process control closed loops.

SLAG RECLAMATION PROJECT: on this project, I carried out installation of new process instruments for measuring and control of almost all the process variables.

Fully installed and aligned the Ramsey Micro Tech 2001 weightometer (conveyor belt scale) and did initial calibration on CH 440 Sandvik Cone Crusher.Installation and maintenance of process automation control instruments on the new thickener tank.

• Identified issues by testing and troubleshooting instruments, components and assemblies using voltmeters, circuit testers and oscilloscopes.
• Removed damaged instruments and repaired components.
• Monitored supply levels and requested additional spare parts, manuals or tools.
• Kept shop area and equipment clean, organized and maintained.
• Installation of Variable Speed Drives