Facing issue with EA, can anyone resolve, EMA Cross BUY SELL

[princebobby]

BUY, If EMA 50>200, EMA 5x>(Crosses Above)20
Close BUY, If EMA 9x<(Crosses Below)20

SELL, If EMA 50<200, EMA 5x<(Crosses Below)20
Close SELL, If EMA 9x>(Crosses Above)20

Please help me to create EA for this

I done the above programme. But it Opening So many orders at a time in 1 currency pair when condition met

Actually i want to apply EA to 28 Currency pairs at a time. One order should open/currency pair once the condition meets

[josecortesllobat]

This might be an approach

https://fxdreema.com/shared/xb13EvfMc