PLC & DCS & SCADA
Industrial automation, PLC programming, DCS architecture, SCADA/HMI design, industrial networking, functional safety, and IIoT.
270 topics · 0 with articles
Intern Engineer· 30
- ATEX Zone 0/1/2 Electrical Area Classification
- Actuators: Control Valves, Dampers, Pumps, MOVs
- Chromatograph and Analyzer System Interface
- Cold Junction Compensation for Thermocouple
- Control Panel Wiring and I/O Marshalling
- Control Valve Positioner: Pneumatic and EP
- Control Valve Sizing: Cv and Delta-P Calculation
- Coriolis Flow Meter: Mass, Density, Viscosity
- Differential, Gauge, and Absolute Pressure Transmitter
- Emergency Shutdown (ESD) System Overview
- Fieldbus Segment Design (Foundation Fieldbus)
- Fire and Gas System (F&G) Architecture
- Flow Measurement: Orifice Plate, Vortex, Coriolis
- Gas Detection System: Fixed, Portable, ATEX
- Grounding and Shielding in Industrial Environments
- Intrinsically Safe (IS) Loop Design
- Junction Box Design and Cable Schedule
- Level Measurement: Radar, Ultrasonic, DP
- Loop Diagram Reading and Creation
- Magnetic Flow Meter (Magmeter) Selection
- Motor Control Center (MCC) Architecture
- Motor Control: DOL, Star-Delta, Soft Starter, VFD
- P&ID Reading and ISA Tag Naming Convention
- PLC vs. DCS vs. SCADA: Architecture Comparison
- Pressure Relief Valve Instrumentation
- Sensors: 4-20mA, HART, Foundation Fieldbus
- Thermocouple Types K, J, T and RTD Pt100
- Transmitter Types: Pressure, Flow, Level, Temperature
- VFD (Variable Frequency Drive) Control
- pH and Conductivity Analyzer Loop
Junior Engineer· 40
- ABB AC500 PLC Configuration
- AI-Assisted PLC Code Generation
- Allen-Bradley ControlLogix / CompactLogix
- Batch Control with ISA-88 Phase Logic in PLC
- Beckhoff TwinCAT 3 Real-Time IEC 61131
- CODESYS Runtime and Vendor Platforms
- Data Types in IEC 61131-3: BOOL, INT, REAL, STRING
- Function Block Library for Motor Control
- IEC 61131-3 Function Block Diagram (FBD)
- IEC 61131-3 Ladder Diagram (LD) Programming
- IEC 61131-3 Sequential Function Chart (SFC)
- IEC 61131-3 Structured Text (ST) Programming
- IEC 61499 Function Blocks for Distributed Control
- ISA-88 Recipe Management Implementation
- Mitsubishi MELSEC iQ-R Series Architecture
- Omron NJ/NX PLC with EtherCAT
- PLC Communication: EtherNet/IP, Profibus DP
- PLC Diagnostic: Error, Warning, CPU Fault
- PLC Emulator and Simulator for Testing
- PLC I/O Module Selection: Digital, Analog, Safety
- PLC OPC UA Server Implementation
- PLC Online Change and Firmware Update
- PLC Performance: Scan Time and Memory Mgmt
- PLC Program Documentation Standards
- PLC Program Migration from Legacy to Modern
- PLC Redundancy: Hot-Standby, Warm-Standby
- PLC Security: Role-Based Access, Password Policy
- PLC Virtual Machine and Digital Twin
- PLC-Based Safety (IEC 62061 PLe / SIL 2)
- PLC-to-DCS Integration via MODBUS and OPC
- Phoenix Contact PLCnext Open Linux PLC
- Remote Programming and Maintenance via VPN
- Rockwell Studio 5000 Logix Designer
- Schneider Modicon M340 / M580 Architecture
- Sequence of Events (SOE) Module
- Siemens S7-1500 TIA Portal Configuration
- Siemens TIA Portal: HW Config, Network, Program
- Structured PLC Project: Areas, Objects, Templates
- Unit Testing PLC Code with CODESYS Test Suite
- Version Control for PLC Code (Git Integration)
Middle Engineer· 80
- ABB System 800xA DCS
- AI-Based SCADA Anomaly Detection
- Advanced Process Control (APC) Hierarchy
- Alarm Banner and Alarm Overview Design
- Alarm Management (ISA-18.2) in DCS
- Alarm Rationalization and Alarm Management
- Animation: Color Change, Rotation, Visibility
- Augmented Reality Overlay on P&ID
- Batch Control (ISA-88): Recipe, Master, Control
- Calculated Tags and Derived Tags
- Cascade Control Strategy Design
- Cloud-Based SCADA (SCADA as a Service)
- Compressor Surge Control System
- Crude Distillation Column Control Strategy
- DCS Architecture: Controllers, I/O, Historian, HMI
- DCS Control Module and Phase Module Design
- DCS Controller Redundancy Architecture
- DCS Cybersecurity (IEC 62443-3-3)
- DCS Historian Tagging and Data Compression
- DCS I/O Marshalling vs. Remote I/O
- DCS Integration with ERP and MES Systems
- DCS Maintenance: Preventive, Predictive
- DCS Migration Strategy: Legacy to Modern
- DCS Network Segmentation and Redundancy
- Digital Nameplate per NAMUR NE 174
- Digital Procedure Management (DPM)
- Digital Twin of Process Plant in DCS
- Electronic Operator Log and Shift Handover
- Emerson DeltaV DCS and DeltaV SIS
- Faceplate Design for PID and ON/OFF Loops
- Feedforward Control Configuration
- Fired Heater Control and Combustion Optimization
- Geo-Redundant SCADA (Disaster Recovery Site)
- HMI Performance Metrics (ISA-106)
- HMI Screen Layout: ISA-101 Guidelines
- High-Integrity Pressure Protection (HIPPS) DCS
- High-Performance HMI (HP-HMI) Design
- Historical Data Logging and Compression
- Honeywell Experion PKS Architecture
- ISA-101 Six-Color Palette Standard
- KPI Dashboard for Operations Management
- Level Control: P-Only, Averaging, Fast-Response
- Low-Code SCADA Development (Ignition Script)
- Mobile HMI: Tablet and Smartphone Access
- Model Predictive Control (MPC) Integration
- Multivariable Process Control (MIMO)
- Navigation Hierarchy: Plant, Unit, Equipment, Loop
- OPC DA and OPC UA Data Source Connection
- On-Off Control with Deadband and Hysteresis
- Operator Training Simulator (OTS) Integration
- Override and Selector Control Logic
- PI AF (Asset Framework) Tag Hierarchy
- PID Controller Tuning: Ziegler-Nichols, Lambda
- Process Data Analytics for Energy Optimization
- Process Graphic Objects: Pipes, Vessels, Valves
- Process Simulation: Operator Training Simulator
- Ratio Control for Blending Applications
- Real-Time Optimization (RTO) Layer Design
- Redundant SCADA Server Architecture
- Remote Access via VPN for SCADA
- Report Generation: Daily, Shift, Event Reports
- Rockwell PlantPAx Library-Based DCS
- SCADA Alarm Logging and Alarm Journal
- SCADA Cybersecurity (NIST 800-82)
- SCADA Historian: OSIsoft PI, AspenTech IP.21
- SCADA Integration with SAP and ERP
- SCADA Project Documentation and Change Control
- SCADA Scripting: Python, VBScript, JavaScript
- SCADA Software: Ignition, WonderWare InTouch, iFIX
- Siemens PCS 7 DCS Architecture
- Situational Awareness Design Principles
- Soft Sensor (Inferential) Design
- Split-Range Control Valve Design
- Steam Header Pressure Control
- Temperature Profile Control for Distillation
- Thin Client and Browser-Based HMI Architecture
- Trend Display: Time Range, Scale, Pen Colors
- User Access Control: Roles and Permissions
- Web SCADA: Ignition Perspective, WinCC OA
- Yokogawa CENTUM VP DCS
Senior Engineer· 40
- 5G Private Network for Process Industry
- AMQP for Reliable Messaging in ICS
- AS-Interface (AS-i) for Binary Sensors
- CANopen DS301 for Industrial Automation
- CANopen DS402 Motion Control Profile
- CC-Link and CC-Link IE Field Network
- Deep Packet Inspection for Industrial Protocols
- DeviceNet Physical Layer and Message Types
- EtherCAT for Motion Control in Automation
- EtherNet/IP CIP Protocol: Object Library
- EtherNet/IP Implicit and Explicit Messaging
- FDT/DTM Framework for Device Configuration
- FieldComm Group and ODVA Standards
- Foundation Fieldbus H1: Segment Design, VCR
- HART Multiplexer and HART Host System
- HART Protocol: CMD 0, CMD 3, Burst Mode
- IEC 62351 Industrial Network Security
- IO-Link Safety for Machine Safety
- IO-Link Smart Sensor Communication
- ISA 100.11a Wireless Network Architecture
- Industrial DMZ Architecture (Purdue Model)
- Industrial Wireless: WirelessHART IEEE 802.15.4
- MQTT Sparkplug B for SCADA and IIoT
- Modbus RTU / TCP: Register Map, Function Codes
- NAMUR NE 107 Sensor Health Status
- Network Monitoring: Claroty, Nozomi, Dragos
- OPC UA Client-Server and Pub-Sub Model
- OPC UA Security: Certificates, Signing
- OPC UA over TSN for Deterministic Control
- OT Firewall (Tofino, Fortinet FortiGate-Rugged)
- POWERLINK Real-Time Ethernet
- PROFINET Network Diagnostics (PING, DCP)
- Profibus DP: Master Class 1/2, Slave GSD File
- Profibus PA: Intrinsically Safe Segment
- Profinet IRT and RT: I/O Device Configuration
- Profinet TSN (Time-Sensitive Networking)
- Sercos III Motion Bus for CNC
- TSN IEEE 802.1Qbv: Time-Aware Shaper
- Time-Sensitive Networking (TSN) for OT
- Unidirectional Gateway (Data Diode) for OT
Staff Engineer· 40
- ALARP Principle for Residual Risk
- BPCS and SIS Independence Requirements
- Bow-Tie Diagram for Process Hazard
- Common Cause Failure (CCF) Beta Factor
- Consequence Severity Classification
- Diagnostic Coverage (DC) Calculation
- FMEDA for SIS Component Reliability
- Fault Tree Analysis (FTA) for Logic Solver
- Final Element: Fail-Safe Valve Selection
- Functional Safety Sign-off Documentation
- HAZOP Methodology: Node, Guide Words
- High-Integrity Pressure Protection (HIPPS)
- IEC 61508: Functional Safety Lifecycle
- IEC 61511 Phase 3: Operation, Maintenance
- IEC 61511: Process Industry SIS Lifecycle
- Independent Protection Layers (IPL) Criteria
- Initiating Event Frequency (IEF) from OREDA
- LOPA (Layer of Protection Analysis)
- Management of Change (MOC) for Safety Systems
- PFD (Probability of Failure on Demand)
- PFH (Probability of Failure per Hour)
- Partial Stroke Test (PST) for Safety Valve
- Pre-Startup Safety Review (PSSR)
- Proof Test Interval (PTI) Design
- Quantitative Risk Analysis (QRA) for SIS
- Reliability Block Diagram (RBD) for SIS
- SIF (Safety Instrumented Function) Design
- SIL Definition and Target Risk Reduction
- SIL Maintenance and Proof Test Records
- SIS Audit and Compliance Assessment
- SIS Cybersecurity: IEC 62443-2-4
- SIS Documentation: Cause and Effect Chart
- SIS Hardware: Triconex, Hima, PILZ, S7-F
- Safe Failure Fraction (SFF) Calculation
- Safety Function Specification (SFS) Document
- Safety Relay and Safety PLC (SIL 2/3)
- Safety Requirement Specification (SRS)
- Siemens S7-F Safety CPU Configuration
- Solenoid Valve: DC/AC, Single/Double Energize
- Voting Logic: 1oo1, 1oo2, 2oo2, 2oo3
Distinguished Engineer· 40
- 5G Private Network for Autonomous Field Devices
- AI for Alarm Rationalization and Flood Prevention
- AI-Driven Predictive Maintenance (PdM)
- AR and VR for Remote Field Assistance
- AWS IoT Greengrass for Industrial Edge
- Advanced Analytics: OSIsoft PI Analytics
- Anomaly Detection with ML for Process Equipment
- Asset Administration Shell (AAS) Concept
- Autonomous Process Control Pilot Design
- Azure IoT Hub and IoT Edge for OT
- Blockchain for Maintenance Record Immutability
- Cybersecurity Monitoring: IT/OT SOC
- Digital Twin Platform: Azure DT, MindSphere
- Digital Twin for Process Plant Simulation
- Digital Workflow for Maintenance (CMMS)
- Edge Computing for IIoT: PLC + Edge Gateway
- Edge-to-Cloud DCS Architecture
- Field Device Digital Nameplate (FDI/EDDL)
- Historian to Cloud Integration (PI to Azure)
- HoloLens 2 for ATEX-Safe Remote Guidance
- IIoT Reference Architecture (IIRA, RAMI 4.0)
- Industrial Cybersecurity Governance Framework
- Industrial Edge Gateway: Siemens Industrial Edge
- Industry 5.0: Human-Centric Smart Manufacturing
- Long-Term IIoT Platform Roadmap
- Low-Code SCADA and IIoT App Development
- MES and ISA-95 Integration with SCADA
- MQTT Broker for IIoT (HiveMQ, EMQX)
- NAMUR Open Architecture (NOA) Framework
- OEE (Overall Equipment Effectiveness) Calculation
- OPC UA + MQTT Sparkplug B Integration
- OT Penetration Testing Methodology
- Open-Source IIoT Platform (Eclipse Hono)
- Predictive Analytics: Vibration Signature Analysis
- Process Industry Sustainability Analytics
- SAP Plant Maintenance Module Integration
- Smart Factory Standards: ISA-95, IEC 62264
- Time-Series Database: InfluxDB for Sensor Data
- Work Order Automation with CMMS (Maximo)
- Zero-Trust OT Network Architecture