Misc Tips

Solo Process Temperature Controller
USB to RS485 PC Adapter Installation

Lubrication Basics

Here is a Method That can Help You with Difficult Level Sensing

The Secret Of Getting Rid Of Noise On Your Analog Signal

Get Rid Of Surges That Are Destroying Your PLC Outputs

Here’s a Quick Way to Wire NPN and PNP Devices

Here’s a Quick Way to Connect RS232 Equipment

Additional Information:
Where and why do I connect the field ground on RS232, RS422 or RS485 communication cables?
Shielded Cable with Drain Wire
The drain wire is connected to the housing of the communication cable end connected to the PLC side of the cable. This will filter the ambient noise to one end. Connecting both ends will produce more noise on the cable.

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Practical Tips and Techniques