Emerson Powerdrive F300 Reference Manual page 146

Binary sum function
The binary sum function is always active even if the destination is not routed to valid a parameter. The update rate for the binary sum is always 4ms.
The output of the binary sum block is given by:
Binary Sum Output (09.032) = Binary Sum Offset (09.034) + (Binary Sum Ones (09.029) x 1) + (Binary Sum Twos (09.030) x 2) +
(Binary Sum Fours (09.031) x 4)
Binary Sum Destination (09.033) defines the destination for the binary sum output. The routing for this destination is special if the maximum of the
destination parameter ≤ 7 + Binary Sum Offset (09.034) as follows:
Destination parameter = Binary Sum Output (09.032), subject to the parameter minimum.
If the maximum of the destination parameter > 7, Binary Sum Output (09.032) is routed in the same way as any other destination where the destination
target is at its full scale value when the Binary Sum Output (09.032) = 7 + Binary Sum Offset (09.034).
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Powerdrive F300 Parameter Reference Guide
Issue: 01.15.00