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plc outputs

3 articles tagged “plc outputs”.

Flat vector infographic comparing a relay output PLC module connected to an AC load and a transistor output module connected to a DC load, showing their internal switching elements side by side
plc outputsrelay outputtransistor output

Relay vs Transistor PLC Outputs: Full Comparison

Relay output vs transistor output on a PLC: pick the wrong one and you'll burn contacts or miss high-speed counts. Here's exactly how they differ and when each wins.

Aug 8, 2026 · 8 min read

Flat vector diagram of a PLC rack showing input module connected to field sensors and output module connected to actuators with signal path arrows through optocouplers
plc i/o modulesplc inputsplc outputs

How PLC Input and Output Modules Work

PLC input and output modules are more than just terminal strips. Learn exactly how signals get conditioned, isolated, and mapped into CPU memory on every scan.

Jul 30, 2026 · 9 min read

Pneumatic solenoid valve types connected to PLC output terminals, flat vector diagram
pneumaticssolenoid valvesplc outputs

Pneumatic Solenoid Valves: Types, Wiring and PLC Control

Understand 2/2, 3/2, 5/2 and 5/3 pneumatic solenoid valve configurations, their wiring to PLC outputs, and the ladder logic that controls them correctly.

Jul 1, 2026 · 8 min read

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