User's Manual

46
Device Function
10
6th example
10.6 Error codes
Place device in ground state:
Command from controller Response from BIS L-409
1. Process output buffer: 2. Go to ground state and process input
buffer:
00hex GR bit = 1 00hex Clear BB bit
07hex GR bit = 1 01...05hex each 00hex
07hex Clear BB bit
3. Process output buffer: 4. Start running and process input buffer:
1)
00hex GR bit = 0 00hex Set BB bit
07hex GR bit = 0 01...05hex 5 bytes of data
07hex Set BB bit
1) If there is no data carrier in range, the
input buffer is filled with 00hex.
Error code Meaning Remedy
0Ehex CRC error Data carrier was not successfully read.
Possible causes:
Data carrier defective
Transmission failed
Data carrier not CRC capable
–
–
–
0Fhex Format error The two headers in the output buffer and in the host
system do not agree.
The headers must be matched (see “Output buffer”
page 4
2
).
BIS L-409 IO-Link Device
Processor