Cam timer
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A cam timer or drum sequencer is an electromechanical system for controlling a sequence of events automatically. It resembles a music box with movable pins, controlling electrical switches instead of
A 7 cam 7 contact cam timer
A programmable logic controller or programmable controller is an industrial computer that has been ruggedized and adapted for the control of manufacturing processes, such as assembly lines, machines,
Cam timer
…repetitive sequencing operations. The cam followers often operated hydraulic valves. Cam timers in the industry were superseded by the introduction of programmable logic controllers (PLCs), which offer improved flexibility and more complicated control logic functions. In consumer products like washing machines, they were replaced…
PLCs for a monitoring system in the pharmaceutical industry
Compact PLC with 8 inputs and 4 outputs
Modular PLC with EtherNet/IP module, discrete and analog I/O, with some slots being empty
PLC system in a rack, left-to-right: power supply (PS), CPU, interface module (IM) and communication processor (CP)