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Chapter 16: Pc Function; Operation Cycle - Sharp IV-S30 User Manual

Compact image sensor camera function and operation
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Chapter 16: PC Function

The PC function is designed to create a ladder circuit program based on the data (coordinates, distance,
degree of match, and results of numerical calculations) obtained from the measurements and calculations
made by the IV-S30. Then it outputs the results of the calculations performed by the circuit.
Use of the PC function enables the IV-S30 to output measurement results to an external equipment such
as a lamp by itself, without the need for an external PC.

16-1 Operation cycle

The operation cycle of the IV-S30 is outlined below. This flowchart contains only the operations related
to the PC function, and does not show communications with external devices.
Ladder circuit calculation (final output conditions)
Image processing for measurement 0 using camera 1
(based on output conditions for measurement 0 of camera 1)
Measurement processing for measurement 0 using camera 2
(based on output conditions for measurement 0 of camera 2)
Ladder circuit calculation (based on output conditions for measurement 1)
Ladder circuit calculation (based on output conditions for measurement 2)
Ladder circuit calculation (based on output conditions for measurement 3)
Ladder circuit calculation (based on output conditions for measurement 4)
Power ON
Power ON sequence
Input refresh
X0
C000
Ex. :
X1
C001
Output refresh
Has a measurement start
input signal been received?
YES
Ladder circuit calculation
Ex. :
0M0
N01
N02
0X0
C000
Ladder circuit calculation
Measurement processing for measurement 1
Measurement processing for measurement 2
Measurement processing for measurement 3
Measurement processing for measurement 4
16-1
Y00
Y01
C000
C001
PC Function
PC scan
cycle
NO
16
Measurement
processing
cycle

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