Siemens IM 328–N Description page 57

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