
Control Block Description
ADDvantage-32 PLUS
4-112
4.67 SUMMING JUNCTION, SELECTABLE 3 INPUT
This block adds input signals such as speed reference and tension trim. It selects which
inputs to add using the bit select lines.
FIGURE 4-67. SUMMING BLOCK
1. Inputs
INPA: Analog
INPB: Analog
INPC: Analog
BIT1: Bit
BIT2: Bit
BIT3: Bit
2. Outputs
OUT: Analog
3. Implementation
OUT = [(INPA × BIT1) + (INPB × BIT2) + (INPC × BIT3)]
If all 3 bits are low, then OUT = 0.
BIT1
BIT2
BIT3
A
B
C
A+B+C
INPA
INPB
INPC
OUT
SUMMING3
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