A Micro Proportional Driver provides accurate control of hydraulic and pneumatic proportional solenoid valves used in mobile construction equipment and industrial processes. The MPD can control the flow of air or liquid linearly at a setting from 0.10-20 seconds. One example of use would be in a paint system. The MPD allows a solenoid to oscillate, significantly reducing system shock and wear commonly found in non-oscillation digital valve systems. The micro proportional driver is a compact electronic circuit built into an environment-resistant miniaturized enclosure. The circuit features control of proportional solenoids and operators. Functions include minimum and maximum current limiting, control signals from 0-10V or 0-20 mA (with a step function at 0.2V or 0.4 mA included for minimum current), a 0.1-20 sec. linear ramp up/ramp down adjustment and output current proportional to input command signal. This unit incorporates the DIN 43650 Form “A” / ISO 4400, EN175301-803:2000 connector male and female interface. The unit is mounted by use of a single mounting screw, DIN connector and two gaskets. Built to meet NEMA 4 environment standards, the MPD is made from engineered polymers for resistance to harsh chemicals and ingress of water or foreign substances. Adjustments are made on the top surface of the unit. The unit can control any proportional solenoid valve operation within the values specified below using variable pulse width modulation.
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The Canfield Connector model MBT Multifunction Block Timer is designed as a full featured multiple mode of operation, multiple voltage, all-in-one timer. The unit is offered in a small epoxy encapsulated housing with on board mode switches and adjustments. The unit has a time range adjustable from 0.1 seconds to 33.3 hours. Features include twelve modes of operation including a multitude of logic function possibilities and an indicator light for fast troubleshooting. The unit can be used to trigger another MBT in a cascade type arrangement, to meet complex functions or longer time ranges. With a voltage range of 12-240 VDC / 24-240 VAC 50/60 Hz, the MBT can instantly handle all mobile, industrial and automation applications right off the shelf. Each timer is 100% tested for function and quality and is resistant to dust, vibration and humidity. Mounting is accomplished by use of a through hole able to accommodate up to a 6mm diameter screw. Electrical connections are .250″ AMP Fasten posts for crimp type push-on connectors.
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The Canfield Connector 7GL is an expansion of the popular Series 7000 “floating” clamp design, which adapts to NFPA tie rod linear actuators with 2 to 8 inch bore. This rugged magnetic proximity sensor can sense actuator position in stringent, general location applications. The switch features a robust, aircraft aluminum body, epoxy-filled, vibration and shock resistant, electronic circuit. Available in a normally open contact, the 7GL can switch current up to .5 Amps and has a voltage range of 0-120VAC/VDC 50/60 Hz.