Format Of Diagnostic Data For The Sm 335 - Siemens SIMATIC SM 335 Manual

Data Exchange with the SM 335
3.4.2

Format of diagnostic data for the SM 335

Format
Once diagnostic data record DR1 has been read by system function 59, the
SM 335 diagnostic data are available in the specified memory.
The diagnostic data are formatted as shown in Table 3-18.
Table 3-18
Module diag-
nostic byte
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
3-32
SM 335 Diagnostic Data
Module diagnostic byte 1 (see Subsection 3.4.3)
Module diagnostic byte 2 (see Subsection 3.4.4)
Module diagnostic byte 3 (see Subsection 3.4.5)
Module diagnostic byte 4 (see Subsection 3.4.6)
Channel-specific diagnostic byte (see Subsection 3.4.7)
Channel type: 00 (general error), 71
H
73 (output)
H
Number of diagnostic bits per channel
Number of inputs/outputs
Change in diagnostic byte for input/output
(set bit corresponds to changes in bytes 8 to 15)
Channel-specific diagnostic byte for analog input CH0
Channel-specific diagnostic byte for analog input CH1
Channel-specific diagnostic byte for analog input CH2
Channel-specific diagnostic byte for analog input CH3
Channel-specific diagnostic byte for analog output CH0
Channel-specific diagnostic byte for analog output CH1
Channel-specific diagnostic byte for analog output CH2
Channel-specific diagnostic byte for analog output CH3
SM 335 – High-Speed Analog Input/Output Module for the SIMATIC S7-300
Content
(input),
H
Default
40
H
Fixed: 35
H
00
H
00
H
00
H
Fixed: 08
H
Fixed: 08
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
00
H
6ES7 335-7HG00-8BA1