OHV-F230-B17
Operation and Communication
2
0
1
6
-1
2
17
Result 128 byte module
Result message from the handheld reader
Explanation of status bytes
Status byte 0
Status byte
Status byte 1
Message length
Data byte 0
Start of the scan result
MSB first
1
1.Example:
If the read code has a value of 123, the following data bytes are sent:
Data byte 0 = '1' (0x31)
Data byte 1 = '2' (0x32)
Data byte 2 = '3' (0x33)
All other data bytes: 0 (0x0)
Data byte 1
Scan result
...
Scan result
Data byte 125
End of the scan result
Byte
Content
Bit no.
7
6
5
4
3
2
1
0
Status
byte 0
Status byte
ND
1
1.New data flag. Changes when the gateway receives new data from the scanner and makes it available for fieldbus
transmission. Is used to recognize new data with the same value.
0
DL
2
2.Data loss flag. Flag is set to 1 if the length of the scanned code exceeds the maximum number of data bytes in the
selected module. Is also set to 1 if a transmission error between the scanner and the gateway is detected.
0
0
0
0
0
Status
byte 1
Message length
Unsigned 8 bit
Number of usable
data bytes after the
status bytes
LEN_7 LEN_6 LEN_5 LEN_4 LEN_3 LEN_2 LEN_1 LEN_0
