PLC Programming
This category involves the programming and configuring of programmable logic controllers (PLCs). PLC engineers are often deployed in field service roles for troubleshooting and commissioning activities.
What are the Key Skills Required for PLC Programming?
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Configuring PLC Logic:
Proficiency with major PLC models such as Siemens (S7-1200, S7-1500, TIA Portal), Allen-Bradley (CompactLogix, ControlLogix), Schneider Electric (Modicon M340, M580), and Mitsubishi (MELSEC iQ-R, iQ-F). This involves interpreting engineering design inputs and configuring PLC application software using standard IEC61131-3 programming languages such as FBD, LAD, and SFC.
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Interfaces:
Expertise in debuging and troubleshooting communication interfaces. The ability to use tools like Modscan and Wireshark for diagnosing and troubleshooting PLC interfaces and communication issues.
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HMI Development:
Skills in developing PLC HMI with applications such as FactoryTalk and WinCC. This includes designing intuitive operator interfaces that align with process and instrumentation diagrams (P&IDs).
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DCS/SCADA Integrations:
Proficiency in integrating PLCs with SCADA and DCS systems for monitoring and control. This involves designing, configuring, and testing data interfaces using communication protocols such as Modbus or OPC UA.
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