User's Manual
www.balluff.com 43
Input buffer:
Bit-No.
Subaddress
7 6 5 4 3 2 1 0
00hex - 1st bit header BB HF AF CP
01hex Error code or data (LOWBYTE)
02hex Data
03
hex Data
04
hex Data or CRC_16
05
hex Data (HIGHBYTE) or CRC_16
06hex not used
07hex - 2nd bit header BB HF AF CP
Explanations for input buffer:
Subad-
dress
Bit
name
Meaning Function description
00hex 1st bit header
BB Power 1
0
=
=
Device is ready
Device is in ground state
HF Head Failure 1
0
=
=
Head is turned off
Head is turned on
AF Job error 1
0
=
=
Job incorrectly processed
Job processed without error
CP Codetag Present 1
0
=
=
Data carrier is within range of the head
No data carrier in range
01hex Error code Error number is entered if the job was incorrectly
processed or canceled.
Only valid with AF bit!
0Ehex = TheCRConthedatacarrierdoesnot
agreewiththecalculatedCRCforthereaddata.
0Fhex = 1st and 2nd bit header of the output buffer
do not agree.
or: Data Data which were read from the data carrier
02hex Data Data which were read from the data carrier
03
hex Data Data which were read from the data carrier
04
hex Data Data which were read from the data carrier
or: CRC CRC read from the data carrier
05
hex Data Data which were read from the data carrier
or: CRC CRC read from the data carrier
06hex - not used
07hex 2. bit header
BB, HF, AF, CP If 1st and 2nd bit headers agree, there are valid
data
Note
The 1st and 2nd header must be compared by the user (host system) in order to
query the validity of the sent data.
Device Function
10
BIS L-409 IO-Link Device
Processor










