PLC = require('vwago')

plc = PLC.VWago("wago")

function setup()
	if ( plc ) then
		print("OK")
	end
end

function loop()
	if ( plc ) then
		i = plc:getDouble(1)
		plc:setDouble(0,i)
		i = i + 1234
		if i > 2147483647 then
			i = 0
			o = plc:getDouble(2)
			plc:setDouble(2,o+1)
		end
		plc:setDouble(1,i)
		plc:update()
		print(i)
	end
end

setup()

while 1 do
	loop()
end