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Communications (Serial and Parallel)
16.11 Computer Link
The examples in this manual refer to the Panasonic Industrial Devices SUNX Co., Ltd.
FP Series PLCs. If you are using one of the other PLCs, refer to this manual and note
the following points.
− Refer to the A200/A100 Hardware Manual for details regarding connection
to the PLC RS−232C connector.
− Refer to the PLC manufacturers manuals regarding the PLC side parallel connector
allocation.
− Refer to the relevant PLC manufacturers manual regarding the commands and registers
used for communication.
16.11.3 Communication
1 Inspection result output
PLC
Outputs the Start
signal (parallel)
after confirming
that Ready is on.
Numerical calculation ,
judgment output
Writes the result
to the specified
data register.
If the specified data register number is out of range, the following command is returned
by the PLC. In this case, communication stops, the Error signal is output, and Ready
goes on.
If the communication times out, the Error signal is output and Ready goes on.
Inspection start signal /START
Ready signal /READY
Error signal /ERROR
T1: START signal width (1ms min.)
T2: Response time with respect to the START signal (within 1ms).
16 − 58
Imagechecker
READY ON
Ready ON
START
Ready OFF
Image capture
complete
Checker execution
Result output
Response
Ready ON
Response: %EE!6103
T1
OFF
ON
OFF
ON
T2
OFF
ON
BCC
T1
T2
OCR Type A230
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