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Engineer Underground

Automation

Control, communication, motion, and sensing for automated machines.

Topics

Guide · 9 pagesNEWControl SystemsFeedback control: transfer functions, step and frequency response, PID tuning, stability, sampling, practical control and troubleshooting.Open →Guide · 12 pagesIndustrial CommunicationSerial links, Modbus, fieldbuses, industrial Ethernet, IP networking, OPC UA and MQTT, with cabling, security, connection recipes and troubleshooting, in twelve detailed pages.Open →Guide · 10 pagesIndustrial RoboticsRobot types, frames and kinematics, programming, payload and cycle time, grippers, vision, cell integration, safety and applications for industrial robots.Open →Guide · 10 pagesNEWMotion Control and ActuatorsServo, stepper and AC motors, drives, encoders, screws and gearboxes, pneumatics and hydraulics, with sizing, tuning and safe stopping.Open →Guide · 9 pagesPLC & Logic ControlHow PLCs work, from ladder logic to worked programs and troubleshooting, with examples on Allen-Bradley, Siemens and other platforms.Open →Guide · 10 pagesNEWSensors and Field DevicesSensor families and how to choose them, with output types and wiring, installation, troubleshooting and safety sensors.Open →Guide · 10 pagesSystem IntegrationRequirements, architecture, power distribution, wiring, panel layout, grounding, machine safety, HMI, commissioning and documentation for automation systems.Open →

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Free to read online. General information, not professional engineering advice: check results against the standards and data that apply to your project.
  • Resources & Learning
    • Automation
      • PLC & Logic Control
      • Industrial Communication
      • Motion Control and Actuators
      • Sensors and Field Devices
      • System Integration
      • Industrial Robotics
      • Control Systems
    • Mechanical
      • Gears and Power Transmission
      • Structures and Strength of Materials
      • GD&T
      • Fits & Tolerances
      • Speeds and Feeds
      • Materials and Processes
      • Machine Design
      • More Guides
    • Thermal and Fluids
      • Fluid Mechanics and Pipe Flow
      • Heat Transfer
      • Thermodynamics and Steam
      • HVAC and Psychrometrics
      • Hydraulics and Pneumatics
    • Programming
      • Embedded Systems
      • Programming Languages
      • Robotics Tools
      • Data Logging
      • Machine Learning
    • Electronics
      • Electronics Fundamentals
      • Analog Circuits and Sensing
      • Digital Electronics and Microcontrollers
      • Power and Motor Electronics
      • Design, Testing and Troubleshooting
      • PCB Design and Layout
      • Electrical Power
    • Makers & Fabrication
      • 3D Printing and Additive Manufacturing
      • CNC Machining
      • Laser Cutting
      • Soldering
      • Shop Tools
      • Prototyping Techniques
      • Workshop Safety
      • More Guides
    • Reference Tables
  • Tools
    • Automation
      • 4–20mA / 0–10V Analog Scaling Tool
      • IP and Subnet Calculator
      • Ladder Logic Simulator
      • Modbus Frame and CRC Calculator
      • Motor Torque & Inertia Matching Calculator
      • PID Tuner
    • Mechanical
      • Beam Calculator with Diagrams and Section Properties
      • Bearing Life (L10) Calculator
      • Bolt Torque & Thread Engagement Tool
      • CNC Feeds & Speeds Calculator
      • Compression Spring Design Calculator
      • Fillet Weld Size and Strength Calculator
      • Gear Ratio, Torque & Speed Generator
      • More Tools
    • Thermal and Fluids
      • Compressed Air Consumption Calculator
      • Heat Sink and Thermal Resistance Calculator
      • Pipe Flow and Pressure Drop Calculator
      • Pneumatic and Hydraulic Cylinder Force and Speed Calculator
      • Psychrometric Calculator and Chart
      • Pump Power and Sizing Calculator
    • Programming
      • MCU Pinout & Peripheral Multiplexer
      • Bitwise & Register Field Calculator
    • Electronics
      • 555 Timer Calculator
      • Battery Runtime and Pack Calculator
      • LM317 Adjustable Regulator Calculator
      • Ohm’s Law and Power Calculator
      • PCB Trace Width & Current Calculator
      • RC Time Constant and Filter Calculator
      • Reactance and Resonance Calculator
      • More Tools
    • Makers & Fabrication
      • 3D Printing Tolerancing Guide
      • G-code Viewer and Run Time Estimator
      • Sheet-Metal Bend Allowance Calculator
      • Tap Drill Size & Thread Pitch Lookup
  • Unit Conversions
  • My Dashboard
  • Community
  • Store
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