3
07.96
Description
3-29
Siemens AG 1996 All Rights Reserved 6ZB5 430–0BH02–1AA0
SINUMERIK 805SM / 840C (BS)
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Call
diagnostics
Read
diagnostics
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Diagnostics word
Diagnostics data
Fig. 3-14
Request and read diagnostics
Call diagnostics OVERVIEW
Transfer value 126 for call of the diagnostics “Overview” in the “Diagnostics
address” byte (here I/O byte 252). The number of the station group (n = 0, 1,
2, ... 7) is specified in the “Diagnostics a1” byte (here I/O byte 253).
The diagnostics OVERVIEW comprises station (n x 16) to station (n x 16 +
15) for each station group.
The IM 308-B module writes the diagnostics message in the I/O word 252.
Read diagnostics OVERVIEW
If no station has sent
diagnostics message,
then end of block,
otherwise evaluate error
in FB xx.
Example
diagnostics
OVERVIEW
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L KV 126,N
T PW 252
L KH 0000
L PW 252
!=F
BEC
JC FB xx
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3.3 Description of the L2-DP slave up to V3.x