13. Electrical Interlocking in PLC Programs


0

An interlock is a condition used to prevent two incompatible or unsafe actions from happening at the same time.

In simple words:

An interlock blocks an action when another condition makes that …

Read More

12. Seal-In Circuits Explained


0

Seal-In Circuits Explained

A seal-in circuit is one of the most important basic patterns in PLC ladder logic and relay logic.

It is commonly used when an operator presses a momentary Start …

Read More

7. Motor Feedback, Faults, and Interlocks (7 of 41)


0

Motor Feedback, Faults, and Interlocks: Command vs Proof in Industrial Automation

One of the most important concepts in industrial automation is this:

A command is not the same as proof.

A PLC can …

Read More

8. Inside an Industrial Control Panel (8 of 41)


0

Inside an Industrial Control Panel

An industrial control panel is the heart of many automation systems.

Inside the panel, power is distributed, control voltage is created, PLCs make decisions, inputs and outputs …

Read More