Siemens S7-1200 - Page 360

Extended instructions
8.5 Diagnostics (PROFINET or PROFIBUS)
S7-1200 Programmable controller
360 System Manual, 03/2014, A5E02486680-AG
DIS structure
With the MODE parameter = 1, the diagnostics information is output in accordance with the
DIS structure. The following table shows the meaning of the individual parameter values:
Table 8- 143 Structure of the Diagnostic Information Source (DIS)
Parameter
Data type
Value
Description
MaintenanceState DWord
Enum
0
No maintenance required
1
The module or device is disabled.
2
-
3
-
4
-
5
Maintenance required
6
Maintenance demanded
7
Error
8
Status unknown / error in subordinate module
9
-
10
Inputs/outputs are not available.
Componentstate
Detail
DWord Bit array Status of the module submodules:
• Bit 0 to 15: Status message of the module
• Bit 16 to 31: Status message of the CPU
0 to 2
(enum)
Additional information:
• Bit 0: No additional information
• Bit 1: Transfer not permitted
3
Bit 3 = 1: At least one channel supports qualifiers for diagnostics.
4 Bit 4 = 1: Maintenance required for at least one channel or one
component
5 Bit 5 = 1: Maintenance demanded for at least one channel or one
component
6
Bit 6 = 1: Error in at least one channel or one component
7 to 10 Reserved (always = 0)
11 to 14 Bit 11 = 1: PNIO - submodule correct
Bit 12 = 1: PNIO - replacement module
Bit 13 = 1: PNIO - incorrect module
Bit 14 = 1: PNIO - module disconnected
15
Reserved (always = 0)