Scripts two pumps alternate

[admin]

You will need 3 scripts.
Scheduled script that run once each hour:

Code:

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on_1 = grp.getvalue('5/0/1') on_2 = grp.getvalue('5/0/2') -- one of the pumps is on if on_1 or on_2 then   pump_time = storage.get('pump_time', 0)   pump_time = pump_time + 1   -- try switching to another pump   if pump_time > 50 then     stop_1 = grp.getvalue('5/0/10')     stop_2 = grp.getvalue('5/0/20')     -- first is on, second is not in stop state     if on_1 and not stop_2 then       grp.write('5/0/1', false)       grp.write('5/0/2', true)       pump_time = 0     -- second is on, first is not in stop state     elseif on_2 and not stop_1 then       grp.write('5/0/2', false)       grp.write('5/0/1', true)       pump_time = 0     end   end else   pump_time = 0 end storage.set('pump_time', pump_time)

Event script for first pump fault (5/0/10):

Code:

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on_1 = grp.getvalue('5/0/1') on_2 = grp.getvalue('5/0/2') stop_1 = event.getvalue() stop_2 = grp.getvalue('5/0/20') -- switch to the second pump if stop_1 then   if not stop_2 and not on_2 then     grp.write('5/0/1', false)     grp.write('5/0/2', true)     storage.set('pump_time', 0)   end -- fault is removed and no pump is running elseif not on_1 and not on_2 then   grp.write('5/0/1', true)   storage.set('pump_time', 0) end

Event script for second pump fault (5/0/20):

Code:

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on_1 = grp.getvalue('5/0/1') on_2 = grp.getvalue('5/0/2') stop_1 = grp.getvalue('5/0/10') stop_2 = event.getvalue() -- switch to the first pump if it's not in a fault state if stop_2 then   if not stop_1 and not on_1 then     grp.write('5/0/2', false)     grp.write('5/0/1', true)     storage.set('pump_time', 0)   end -- fault is removed and no pump is running elseif not on_1 and not on_2 then   grp.write('5/0/2', true)   storage.set('pump_time', 0) end