DOUBLER SOLENOID DRIVER

Buy it and save your back too. Planter , Nov 5, Share This Page Tweet. The embodiment presented has been designed to be most economical and cost effective. A control circuit as claimed in claim 13 wherein the turn-off delay circuit is an inductive turn-off delay circuit. Independent control of two solenoid operated valves over two wires in an irrigation system. This timer circuit 45 a or 45 b with the components illustrated and in particular with the capacitor values shown, results in a turn-on delay of about half a second from when power is supplied to input 27 to the time that the relevant triac switching circuit 43 a or 43 b turns on.

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The encoder is then disposed adjacent to the control unit. Would you like to tell us about a lower price?

The embodiment presented has been designed to be most economical and cost effective. Alternatively, the turn-off delay circuit may be associated with the load, or turn-off delay may be inherent in the physical design of the load, particularly where the load is inductive. I purchased this item ssolenoid bypass a bad wire in the bundle that goes solnoid my backyard irrigation valves. Turn off time and remove the connectors at the double, untangle the wires and fire each valve with the station master, they all come on.

It didn’t last very long.

Troubleshooting Doublers | LawnSite

Just installed this today, Seems to work great so far. It should be appreciated that the scope of the invention is not limited to the embodiment described herein. Customer wanted to add zones on a new system we ran extra wires but ended up one less that needed.

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Do you already have an account? Read reviews that mention wire zone zones saved wires install pricey saves.

Troubleshooting Doublers

My options were to try doublwr out or run a new cable on the outside of the house which would have been a huge hassle. Page 1 of 1 Start over Page 1 of 1. The turn-off delay circuits 47 a and 47 b function as both a smoothing network for the DC signal passed through Triac Q 1 and also a snubber network that clamps and dissipates the energy that is held in the coils L 3 and L 1 of the solenoid valves 17 a or 17 b when the power is removed.

Typical gate currents may be less than 15 mA, or preferably less than about 10,A.

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The apparatus described in U. Please make sure that you are posting in the form of a question.

PlanterNov 5, Apparatus 11 and 13 for interfacing two AC sources with two AC loads 17 a 17 b in the form of solenoid operated valves over a single conductor 25with a return conductor 19 in an irrigation system is disclosed. These triacs are a little unusual in that in all quadrants they switch at 5 mA ddoubler current.

DoubleA Hydraulics

These items are shipped from and sold by different sellers. View Cart Proceed to checkout. Conversely, this method and apparatus comprises allowing only the negative going voltage from a second power supply to reach a second load while blocking the positive going voltage from reaching the source conductor.

Rather, the scope of the invention described herein is limited only by the claims appended hereto. Plan term and coverage begins at the end of the manufacturer’s labor warranty.

Also, the method prevents negative going voltage from reaching the one load from the source conductor and preventing positive going voltage from reaching the other load from the source conductor.

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I remove the doubler and take a volt reading on the station master. A control circuit as claimed in claim 15 wherein the value of the capacitor and the value of the inductor are selected to delay turn off of the relevant output by holding the output high for a period of at least 0.

The method and apparatus comprises allowing only the positive going voltage from one power supply to reach one load while blocking the negative going voltage from the one power supply reaching the source conductor.

The effect solenoud this is to help in a situation when cable and the connections are failing or not up to scratch. The DC voltage regulator dounler a supplies a ten volt reference voltage to a turn-on timer circuit 45 a formed by transistor Q 2resistor R 4capacitor C 2 and a red light emitting diode D 5. Apparatus as claimed in claim 1 wherein the first turn on delay timer to time out a predetermined period before operating said first switching circuit and the second turn on delay timer to time out a predetermined period before operating said second switching circuit are each a transistor based RC timer circuit.

In a preferred embodiment, the encoder circuit 11 comprises a pair of diodes 33 a and 33 b. There was a problem filtering reviews right now. Preferably the turn on delay timer provides a turn on delay of at least 0. I wanted to split a zone into two.

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