Automation, relays & networking
PLCs, HMIs, relays, timer logic, remote I/O, and industrial networking questions in one place.
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How to Choose a PLC for a Simple MachineThis guide answers how to approach choosing a PLC for a simple machine by starting with what the PLC and I/O hardware does, why wrong i/o type, power...
How to Match a Relay to a Control CircuitThis guide answers how to approach matching a relay to a control circuit by starting with what the match a relay to a control circuit does, why the exact...
How to Choose a Safety RelayThis guide answers how to approach choosing a safety relay by starting with what the safety relay does, why the wrong safety relay changes risk reduction...
All resources in this section
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How to Choose a PLC for a Simple Machine
How to Match a Relay to a Control Circuit
How to Choose a Safety Relay
How to Select an HMI for a Panel
How to Choose a Pilot Relay
How to Select a Time Delay Relay
How to Choose an Interface Relay
How to Choose a Timer Relay for Panel Logic
How to Choose a Phase Monitor Relay
How to Choose a PLC Expansion I/O Module
How to Choose a Remote I/O System
How to Choose a Managed Industrial Ethernet Switch
How to Choose an Unmanaged Industrial Ethernet Switch
How to Select an Interposing Relay for PLC Isolation
How to Choose an EtherNet/IP Managed Switch for a Control Panel
How to Select a Remote I/O Platform for a Retrofit
How to Choose a PLC Analog Input Card for 4-20 mA Signals
How to Choose a PLC Analog Output Card for Process Control
How to Select a Panel HMI for Multi-Controller Access
How to Choose a Safety Relay for Gate and E-Stop Circuits
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