Siemens SIMATIC CP 440, Руководство пользователя

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Diagnostics with the CP 440
8-5
Point-to-point connection CP 440 Installation and Parameter Assignment
A5E00057742-02
8.3 Diagnostic Messages of the Function Blocks
Every function block has a STATUS parameter for error diagnostics. The STATUS
message numbers always have the same meaning, irrespective of which function
block is used.
Number system Event Class/Event Number
The figure below illustrates the structure of the STATUS parameter.
ST
A
TUS
Bit no. 15 13 12 8 7 0
Reserve Event class Event number
(Error number)
Figure 8-1 Structure of the STATUS Parameter
Example
The figure below illustrates the contents of the STATUS parameter for the even
when a job is aborted due to a cold restart, warm restart or reset (event class:
1EH, event number: 0DH).
ST
A
TUS
2
4
2
0
2
7
2
0
Reserve Event
class: 1EH
Event number
(error number): 0DH
x x x 1 1 1 1 0 0 0 0 0 1 1 0 1
In the event of a job being aborted due to a cold restart, warm restart or reset
Figure 8-2 Example: Structure of the STATUS parameter in the event of a job being
aborted due to a cold restart, warm restart or reset