The 4 in back get their water from an irrigation pump that draws from a lake and the MV output operates a solid state relay to run the pump when these zones are active. The 5 in front are directly connected to city water with no master valve. I've got 9 zones, 5 in front and 4 in back. My RainMachine is going back to Amazon for lack of this feature.
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Perhaps a more detailed software development task plan or a more detailed hardware parts list will help? Interest and volunteer effort are valuable here. Utilizing software enhancements seems more optimal, but I haven't dug into the necessary coding to add the feature. There needs to be a little luck or understanding of power limitations, relay characteristics, diodes etc to make this work with minimal cost, good reliability, and compact add-ons. Variations may be more compact and cheaper to allow several channels to control a desired relay and master valve. Lower voltage and power circuits could control the power to the master valve. A bridge rectified voltage from any channel could power a 24VDC relay. Signals from each zone could prevent or enable the power to the master valve with a normal-connected or normal-off relay. I haven't tried, but recognize challenges in variations of this setup. I also considered using a 24VDC relay with bridge rectifiers connected to each zone that would control external power to the master valve. When I started advocating for software control of master valve per zone, I considered an alternative like you describe above.
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So what do you say? Make a few code changes and publish an update in a few days… and just like that many happy customers. In turn making your controller even more desirable to consumers like myself who desire the best products available. Thus no overload 1 master + 1 Zone at a time when active.Īgain this should be no more than a few lines of code to achieve and would satisfy the needs of all your customers with injection systems or with multiple water sources. Any zones within the program would run in sequential order as normal. So programmatically you are simply modifying your code to allow the pump/master as an option when setting up a program. Program C- Fri 5pm water zones 1-8, no pump/master active Program B - Fri 4pm water zones 1-8, activate pump/master ( in my case this would activate the injection system, but for many others it could be their well when using multiple water sources) Program A - Mon,Wed,Fri 6am water zones 1-8 for 10 minutes, no pump/master active Many of which have been asking for years. This feature would help many of the users who are asking in your forums. The scenario i am trying to achieve activating the master/ pump would be simple if assigned to the program (not the zone). Rainbird & KRain do but lack some of the smart features found in Rainmachine. It sucks neither Rachio nor Rainmaker will give us this functionality. There may be better variations/ideas for features or external accessories, so followups may help many with similar needs.
A simple ebay 24vac dpdt (double pull double throw) relay for $3 from ebay can allow 1 output to connect a signal and 24vac power supply to 2 devices without any interference with the rain machine or enabling power to a master valve. I don't think the bit savings help, so the 2 points above seem the most general.Īn alternative would be selling accessories or sharing information to provide this capability external to the controller. That would reduce the bit-depth for each zone to associate with another simultaneous zone. This could be setup as allowing 0 to 3 zones on a controller to be "master" for different purposes. This may imply a "master" flow rate is counted in a special way sinces it doesn't add to the flow through sub zones. This may also fall under the constraint of multiple circuit flow limit as noted in 1) above. This may be constrained to never allow 3 zones if power is limited (if zones cascade to 3 valves, etc).
This may have special constraints multiple valves draw too much water (constrained by sum of zone flows).Ģ) allow any zone to trigger a second zone (to run a pump, master, valve, drain, etc). This feature would be great, but I think the more general solution includes:ġ) allow more that 1 circuit to run at a time (as implied by the ability to have a master and a separate zone, but make it arbitrary).
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