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12 iPORT Advanced Features User Guide
Signal Routing Block and the LUT
The signal routing block consists of 8 identical 64-to-1 multiplexers, which correspond to each of the 8
LUT inputs. The signal routing block supports up to 64 inputs including signals from a second video
source, and a second PLC.
The LUT allows you to program up to 15 logical PLC functions, using a maximum of 8 shared inputs
for all of the equations. Each logical function is defined through a Boolean equation. The equations
control how the signals are routed through the signal routing block to the LUT, and through the various
function blocks.
Typically, in vision systems, the signal routing block routes signals to the enhanced function blocks and
then feeds the signals back to the inputs (feedback inputs) for re-routing to the outputs.
To configure the signal routing block equations
1.
Start eBUS Player and connect to the video interface.
2.
Under Parameters and Controls, click Device control .
3.
Click Guru in the Visibility list.
1.
In the SignalRouting section, select one of the available equations and enter the Boolean equation
required to route the appropriate signals.
2.
Click PlcEquationApply to apply the equation.