Fuji Electric Monitouch S8 series, Руководство по подключению

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21.1 Barcode Reader Connection 21-3
21.1.3 I/F Memory
I/F memory stores barcode information. The number of words used varies depending on the setting.
I/F Memory
Type: JAN / ITF / CORDABAR / CODE39
Type : ANY
Details of flag
Read Bytes Setting
Data of the specified number of bytes is stored into the I/F memory. When this option is unchecked, the number of bytes read
varies depending on the codes read.
Memory Contents
n
Flag / the number of bytes read
* Be sure to reset the bits not in use to “0”.
n + 1
Data read (ASCII)
* “0” (null code) is attached to the last.
:
n + m
Memory Contents
n
Flag
* Be sure to reset the bits not in use to “0”.
n + 1 The number of bytes read (0 to 2048 bytes)
n + 2
Data read (ASCII)
* “0” (null code) is attached to the last.
:
n + m
Communication error
When an error occurs in communication between the barcode reader and the S8 series, “1” is set. Check the
communication settings and wiring.
Reading complete
When data received from the barcode reader has been written into the I/F memory, “1” is set. When this bit is
set, reset it to “0” before reading the next data.
The number of bytes read Stores the number of bytes read from the barcode reader.
15 14 13 12 11 10 9 - 0
0 0 0 0
Communication error
The number of bytes read
(0 to 256 bytes)
Reading complete
15 14 13 12 11 10 9 - 0
0 0 0 0 0 - 0
Communication error
Reading complete