The format used for Command/Response Message
Each item
Name
Specified
character
(ASCII
code)/Data
Range
of
values
Description
Header %
(25H)
or
< (3CH)
---
Beginning of a message
•
%: Number of characters between a header
and a terminal code is less than 118.
•
<: Number of characters between a header and
a terminal code is within the range from119 to
2048.
Receiver/Sender
2-digit decimal
01 to 99
In command messages and response messages, the
unit (station) No. of the LightPixAE20 receiving the
command, message and sending the response
message are shown respectively.
Command
# (23H)
---
Indicates a command message
Response:
Normal
$ (24H)
---
Indicates a normal response message
Response:
Error
! (21H)
---
Indicates a response message when an error occurred
Text
Error code
2-digit
hexadecimal
00 ~ FF
Displays the details of the error when it occurred
Block Check code
2-digit
hexadecimal
00 to FF
Detects an error in transmission data
If you replace a block check code with two asterisks
marks, a message can be transmitted without BBC.
Even in this case, the LightPix returns BBC.
Terminator
C
R
(0DH)
---
End of the message
109
Summary of Contents for LightPix AE20
Page 8: ...Chapter 1 Overview of Light Pix AE20 1 ...
Page 12: ...Chapter 2 Names and Functions of Parts 5 ...
Page 18: ...Chapter 3 Installation and Wiring 11 ...
Page 36: ...Chapter 4 Inspection Applications 29 ...
Page 106: ...Section 5 Parallel Communication 99 ...
Page 113: ...Section 6 RS 232C Communication 107 ...
Page 138: ...Section 7 About AETOOL and GT11 133 ...
Page 143: ...Section 8 General Specifications Product Numbers and Dimensions 139 ...
Page 148: ...Mounting plate Operation unit 144 ...
Page 149: ...Finder unit 145 ...
Page 150: ...Record of Changes Manual No Date Descriptions ARCT1F406E May 2005 First Edition 146 ...
Page 151: ...ARCT1F406E 200505 P 2005 ...