Panasonic A230, User Manual

Page: 281 / 377

Communications (Serial and Parallel) OCR Type A230
16 − 5
16.1 Communications Function
16.1 Communications Function
The Character Verification checker is equipped with both serial and parallel ports. With
these ports you can control the Character Verification checker using a PLC or computer.
The things that can be controlled differ depending on whether you are using serial or
parallel communication.
Input
Parallel Serial
Item
Input
or
output
Details
I/O terminal
Ref.
page Command
Ref.
page
Inspection
preparation
complete
Output
Inspection prepara-
tions complete
(waiting for the next
start signal)
RDY (READY)
signal ON
16 − 22
Input
Specific substitution
formula not executed
STA
(START)
16 − 22 %S
C
R
16 − 20
Start
inspection
Input
Specific substitution
formula executed
ACK + STA (START)
signal
(hold ACK until RDY
goes off)
16 − 22 %P
C
R
16 − 20
Input
Re − inspect
(image capture: not
executed)
%R
C
R
16 − 20
Image
capture
complete
Output
Image capture only
complete
REN
(REND)
16 − 27 %R
C
R
16 − 20
Output
Inspection complete
(before data output)
%E
C
R
16 − 20
Output
inspection
data
Output Judgment output
D1 to D8 (for D9 and
after, handshake is
ACK, and STROB sig-
nal is needed)
16 − 25 Ex:002148030912
C
R
or
21,4803,912
C
R
etc.
16 − 21
Output Numerical data
D1 to D8 (handshake
is ACK, and STROB
signal is needed)
16 − 25
21,4803,912
C
R
etc.
16 − 21
Character
Recogni-
Input
Change Judgment
String
%W?, Judgment
String(? = 1 to 8)
16 − 33
Recogni
tion String
Judgment
Output Change complete
%W?, Judgment
String(? = 1 to 8)
16 − 33
Re − register
character
pattern
Input
Specification of
Character Verification
c
re − registration timing
IN1 to 4
(Image Verification
checker No. + IN6)
(re − registration timing)
16 − 37
%O??
(??=01 to 16)
16 − 37
Output Registration complete
Confirm by RDY
(READY) signal off to
on transition.
16 − 37
%O??
(??=01 to 16)
16 − 37