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The Shoplogix Availability formula is simply the sum the uptime divided by the sum of all scheduled time. This formula is does not have any weighted factor, because it does not depend on any expected production rate. Instead it only measures whether machines are running or not.
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Note: The numerator in this case is referred to as “OEE Productive Hours”. This can be interpreted as the “Effective “effective productive time”. It’s just like the “OEE Runtime” value explained above, except the ‘productive time’ refers to the time it would take to produce the same “Good Production”, instead of just looking at “Total Production”.
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