GGSTech ToolsFrom sensor to decision to actuator
Industrial automation becomes much easier to understand when every system is broken into four layers: field devices → PLC/controller → supervisory interface → final control element.
Automation learning path
PLC Controller — How It Works
Scan cycle, CPU, memory, I/O, wiring and troubleshooting.
AUTOMATIONPLC Ladder Logic Simulator
Learn contacts, coils, seal-in circuits, timers and interlocks interactively.
AUTOMATIONPLC I/O Selection Calculator
Count DI, DO, AI, AO and estimate spare channels/modules.
AUTOMATIONPLC Motor Control
DOL, star-delta, trips, feedback and Auto/Manual sequence.
AUTOMATIONPLC + VFD Control
RUN/STOP, speed reference, feedback, fieldbus and fault logic.
AUTOMATION4–20 mA Scaling Calculator
Convert raw current to engineering units and back.
AUTOMATIONHMI & SCADA Guide
Tags, alarms, trends, historian, permissions and architecture.
AUTOMATIONPID Controller Guide
PV, SP, output, P/I/D action, tuning and process response.
AUTOMATION4–20 mA Instrumentation
Loop power, transmitter wiring, live zero, faults and shielding.
AUTOMATIONIndustrial Communication
Modbus RTU/TCP, PROFINET, EtherNet/IP and diagnostics.
Recommended learning order
- Understand PLC scan cycle and digital I/O.
- Learn ladder contacts, coils and seal-in logic.
- Add timers, counters, alarms and interlocks.
- Learn analog 4–20 mA scaling.
- Control motors and VFDs with feedback.
- Build HMI/SCADA tags, alarms and trends.
- Learn communications and PID control.