Omron V500-R521B2, User Manual

Page: 93 / 127

95
V500-R521B2/C2
User’s Manual
Sec
tion
5
Ex
ample of
M
ulti-d
rop Conne
ct
ion
Section 5
Example of System Configuration
Communication format
Communication format used in this connection example is explained.
For details, refer to the following page.
p.105
„ Reading trigger given from the upper unit
E.g.: When a trigger is given to the bar code reader machine No. 2
„ Polling command given from the upper equipment
E.g.: When exporting data of machine No. 2
„ Reading data transmitted from the bar code reader
E.g.: When the reading data of the machine No. 2 is "ABCDE"
E.g.: When the read data is not accumulated
„ When the bar code reader setting is changed from the upper
equipment
$01 ESC Z $0D (Check code) (Machine No.)
$01 ESC Z $0D
(Check code)
0 2
$01 DLE P $0D (Check code)
(Machine No.)
$01 DLE P $0D
(Check code)
0 2
$01
$0D
(Check code)
(Machine No.)
Reading data
$01 $0D
(Check code)
0 2 A B C D E
$01 7 4 $0D
(Check code) (Machine No.)
Code indicating that there is no data
$01 ESC (m1) $0D (Check code) (m2)
Command character string
(Machine No.)
V500-R521.book 95 ページ ２００８年７月１８日 金曜日 午後１時１分