Bar Code Data Setting - Mitsubishi Electric F920GOT-K Hardware Manual

GOT-F900 SERIES (CONNECTION)
22.3.3

Bar Code Data Setting

The bar code data read by the bar code reader is written from the GOT-F900 to the connected
equipment (PLC).
Set word device to be written to the connected equipment using "Bar Code Settings" in the screen
creation software.
Setting item
Word device
Number of devices
(word device quantity
specification)
1) Rules of Data Storage
The data is stored in the ASCII code format in word devices in the ascending order of the word
device number. If the read data is larger than the specified number of devices, the excessive data is
cut off. If the read data is smaller than the specified number of devices, space characters (20H) are
provided in vacant devices.
a) When the number of data read from the bar code reader is equivalent to or less than the specified
number of devices
Data read from the bar code reader: 1234567
Write destination device: D100
Number of devices: 6
Data from bar code
reader
Data registers of
PLC
b) When the number of data read from the bar code reader is larger than the specified number of devices
Data read from the bar code reader: 1234567
Write destination device: D100
Number of devices: 2
Data from bar
code reader
Data registers
of PLC
If the read data exceeds the specified number of devices, the excessive portion is not stored but cut
off.
D100 stores all the numbers of data including the excessive portion. Check D100 to see whether the
data is correctly written.
The specified head word device stores all the numbers of data without regard to the specified number
of devices.
Specify the head word device to be written to the connected equipment.
(Excluding C200 to C255 (32 bits) high speed counter of FX Series PLC)
For the device range specifications, refer to section 3.3.
Specify the number of word devices.
One word (one point) stores 2 characters of the ASCII code data transmitted from the
bar code reader. The allowable setting range is from 2 to 32 points. (The head device
stores the number of data, ASCII code data, read from the bar code reader.)
CR 7 6 5 4
20 20 20 37 36
D105 D104 D103
Space (20H) Data from bar code reader (ASCII code)
Number of devices
CR 7 6 5 4
Do not change.
D105 D104 D103
Data from bar code reader (ASCII code)
Cut-off data
Connection of Bar Code Reader 22
Description
3 2 1
35 34 33 32 31
D102 D101
3 2 1
32 31
D102 D101
Number of devices
Number of data
7
Word device
D100
Number of data
7
Word device
D100
22-6