14-28
Computer link
14
14-5 Program examples
An example of measurements using the IV-S20 and a Sharp PC (JW70H) (2-point search for positional
deviation measurement) is explained below, using data flow, a flowchart and a timing chart.
IV-S20
VIDEO
"
"
CAMERA1
CAMERA2
RS232C/RS422
REMOTE
POWER
Y0
Y1
Y2
Y3
Y4
Y5
Y6
Y7
BUSY
C(-)
X0
X1
X2
X3
X4
X5
X6
C(+)
+24V
0V
OUTPUT
INPUT
POWER
IV-S20 main housing
(side view)
Communication connector (RS232C/RS422)
Camera 1 connector
Input terminal
IV-S20 main housing
(plan view)
Communication
port
Output unit
Sharp's PC (JW70H)
Camera 1
00040
Output relay
Start output
Description
Execution of measurement
IV-S20
Sharp PC (JW70H)
1
Output a start signal.
2
Write data into the register.
3
Transmit completion
response.
*1 In this example, the write start
address has been set to
09000.
*2 The data in registers 09014 to
09024 are the same as those
shown in the example on page
13-6.
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Note 1: The PC must be write enabled. A Mitsubishi or OMRON PC will operate in the same manner,
but use different PC register and relay addresses.
Note 2: If the PC has not been connected to the object type input (parallel) on the IV-S20, the object
type No. is set to 0. To set different types, first enter the object type numbers (parallel) using
the type input terminals on the IV-S20.
(1) Data flow
