2. ControlLogix vs CompactLogix: What a Technician Should Know
ControlLogix vs CompactLogix: What a Technician Should Know
When learning Studio 5000 Logix Designer, one of the first things an automation technician should understand is the difference between ControlLogix and CompactLogix.
Both …
Read More1. What Is Studio 5000 Logix Designer?
What Is Studio 5000 Logix Designer?
Studio 5000 Logix Designer is the main software used to program and configure Allen-Bradley Logix controllers, including ControlLogix and CompactLogix PLC/PAC systems.
For an automation technician …
Read More6. Scaling Analog Inputs in a PLC
From Raw Counts to Engineering Units
In industrial automation, a PLC does not automatically understand pressure, level, flow, temperature, or weight.
The PLC receives an electrical signal from the field instrument. That …
Read More5. Why 4 mA Does Not Mean Zero Power
Understanding Live Zero and Signal Faults in 4–20 mA Loops
In industrial instrumentation, one of the most important concepts for automation technicians to understand is this:
In a 4–20 mA signal, 4 …
Read More4. Understanding 4–20 mA Current Loops
A Practical Guide for Automation Technicians
One of the most important signals in industrial instrumentation is the 4–20 mA current loop.
If you work with pressure transmitters, level transmitters, flowmeters, temperature transmitters, …
Read More3. Instrument Signals: How Field Devices Talk to the PLC
Discrete, Analog, and Digital Signals for Automation Technicians
Industrial instruments measure real-world process conditions such as pressure, level, flow, temperature, weight, pH, or gas concentration. But the PLC cannot directly read …
Read More2. Process Variables: Pressure, Level, Flow, and Temperature
What Automation Technicians Need to Understand
In industrial automation, a process variable is any physical condition that must be measured, monitored, displayed, controlled, or used in logic.
A PLC does not directly …
Read More1. What Is Industrial Instrumentation?
A Practical Guide for Automation Technicians
Industrial instrumentation is one of the most important areas in automation because it connects the real physical process to the control system.
A PLC, HMI, or …
Read More0. Industrial Sensors Explained: The Foundation of PLC Feedback (0 of 15)
Introduction
In industrial automation, the PLC does not physically “see” the machine, conveyor, door, bottle, box, valve, or actuator. The PLC depends on sensors to know what is happening in the …
Read More1. What Is an Industrial Sensor? Contact vs Non-Contact (1 of 15)
Introduction
In industrial automation, sensors are one of the most important parts of a control system. A PLC can execute logic, energize outputs, control motors, start conveyors, open valves, and trigger …
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