Automation, relays & networking
PLCs, HMIs, relays, timer logic, remote I/O, and industrial networking questions in one place.
Featured in this section
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PLC Input Type ReferenceThis reference page explains what the PLC and I/O hardware concept means in practice, how engineers use it, and which details usually change the buying or...
PLC Output Type ReferenceThis reference page explains what the PLC and I/O hardware concept means in practice, how engineers use it, and which details usually change the buying or...
Common Industrial Network Protocols OverviewThis reference page explains what the industrial network hardware concept means in practice, how engineers use it, and which details usually change the...
All resources in this section
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PLC Input Type Reference
PLC Output Type Reference
Common Industrial Network Protocols Overview
Common HMI Screen Sizes and Use Cases
PLC Analog Signal Types Reference
Common HMI Communication Ports
Industrial Ethernet Switch Basics
Managed vs Unmanaged Switch Quick Reference
PLC Analog Signal Scaling Reference
Device Level Ring Basics for EtherNet/IP Networks
Industrial Network Topology Quick Reference
Managed Switch Feature Reference for Panels
Remote I/O Architecture Reference
Panel HMI Communication Options Reference
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