A solenoid controller is an electronic device used to control solenoids in a precise and programmable manner. They prevent overheating and are commonly used in installations that require control of large numbers of solenoids at precise time intervals or in response to complex process inputs. Solenoids are actuating devices that use electromagnetic forces to provide linear motion and are common system components in a wide variety of applications. Solenoid controllers are available in a variety of formats and are primarily designed to provide a single interface between the system and operator inputs and the solenoids they control.
A solenoid controller is an electronic device used to activate single or multiple solenoids in a precise, controlled and programmable manner. These controllers are typically presented as sealed modular units or open printed circuit boards (PCBs) designed for easy wiring and assembly integration. They are used as interface units between computerized control systems and solenoids or may themselves have programmable functions. Many solenoid controllers are also designed to prevent the solenoid coil from overheating during operation. The solenoid controller is most commonly found in installations that require the control of large numbers of solenoids at precise time intervals or in response to complex process inputs.
A solenoid is an actuating device that uses electromagnetic forces to provide linear motion. They are common system components in a wide variety of applications used to switch or control valves, machine functions, and system components. While the electrical current used to actuate any solenoid can, at least in theory, be supplied by the most rudimentary of switches, processes using solenoids often require very precise control. This is especially true for installations with a large number of solenoids that require activation at very precise time intervals or in response to demanding and complex process parameters. In these cases, a solenoid controller is generally the preferred source of control.
These controllers are available in a variety of formats including sealed and open ended modular PCB units. All are designed to be used as standalone devices or in groups as part of modular control systems. Many solenoid operated control units are designed for use in specific applications and will have connections and mounting structures designed for those applications. Others are meant for general purpose applications and will have standardized connections and mounting points designed for use on general purpose track and spacer systems.
The solenoid controller is primarily designed to provide a single interface between the system and operator inputs and the solenoids they control. They may be nothing more than simple switching relays or they may be able to control quite complex and pre-programmed elements, such as switching intervals and activation cycle length. One of the most valuable benefits of the solenoid controller is the temperature control of the solenoid. This is typically accomplished by activating the solenoid at its full rated voltage to ensure a clean and quick plunger pull-in, then reducing the voltage to just high enough to keep the solenoid active. This low float voltage prevents coil overheating, making the whole system more economical and extending component life.
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