Structure Of The Diagnostics Data For Sm 335; Diagnostics Data Of Sm 335 - Siemens SIMATIC S7-300 Manual

3.4.2

Structure of the diagnostics data for SM 335

Structure
After the diagnostics data set DS 1 was read by calling SFC 59, the diagnostics data of
SM 335 are stored in the memory area you specified.
Table 3- 17
Module
diagnostics
byte
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
SM 335 - High-speed analog mixed module for SIMATIC S7-300
Manual, 02/2009, A5E02409063-01

Diagnostics data of SM 335

Content
Module diagnostics byte 0; refer to chapter Module diagnostics byte 0
(Page 62)
Module diagnostics byte 1; refer to chapter Module diagnostics byte 1
(Page 63)
Module diagnostics byte 2; refer to chapter Module diagnostics byte 2
(Page 64)
Module diagnostics byte 3; refer to chapter Module diagnostics byte 3
(Page 64)
Channel-specific diagnostics byte; refer to chapter Channel-specific
diagnostics bytes (bytes 4 to 15) (Page 65)
Channel type: 00 (general fault), 71
H
Number of diagnostics bits per channel
Number of inputs/outputs
Changes to the I/O diagnostics byte
(a set bit corresponds with a change in bytes 8 to 15)
Channel-specific diagnostics byte for analog input CH0
Channel-specific diagnostics byte for analog input CH1
Channel-specific diagnostics byte for analog input CH2
Channel-specific diagnostics byte for analog input CH3
Channel-specific diagnostics byte for analog output CH0
Channel-specific diagnostics byte for analog output CH1
Channel-specific diagnostics byte for analog output CH2
Channel-specific diagnostics byte for analog output CH3
Data exchange with SM 335
3.4 Evaluating the diagnostics data of SM 335
(input), 73 (output
H 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
61