Balluff BIS U-6026-034-104-06-ST35 Betriebsanleitung Seite 86

BIS U-6026-034-1_4-06-ST35
Processor unit
8
Device function (continued)
4th example
Read 30 bytes of USER data starting at data carrier
address 10 with read error
If an error occurs, the AF bit is set instead of the
AE bit, together with a corresponding error
number. Setting the AF bit cancels the job and
declares it as finished.
Command from controller
1. Edit output buffer
(observe sequence):
01 Command designator 81
hex
02 Start address 0A
hex
03 Start address 00
hex
04 Start address 00
hex
05 No. of bytes 1E
hex
06 No. of bytes 00
hex
07 No. of bytes 00
hex
00 /0F Set AV bit
hex hex
3. Process input buffer:
01 Copy error number
hex
Process output buffer:
00 /0F Reset AV bit
hex hex
38 english
hex
hex
hex
hex
hex
hex
hex
BIS U-6026 reaction
2. Edit input buffer
(observe sequence):
If an error occurs immediately!
00 /0F Set AA bit
hex hex
01 Enter error number
hex
00 /0F Set AF bit
hex hex
4. Process input buffer:
00 /0F Reset AA and AF bits
hex hex