Siemens SIMATIC S7-1200 - Page 990

Communication
11.5 S7 communication
S7-1200 Programmable controller
990 System Manual, V4.2, 09/2016, A5E02486680-AK
The ERROR and STATUS parameters provide information about the status of the read
(GET) or write (PUT) operation.
Table 11- 64 Error information
ERROR
STATUS (deci-
mal)
Description
0 11
• New job cannot take effect since previous job is not yet completed.
• The job is now being processed in a priority class having lower priority.
0
25
Communication has started. The job is being processed.
1 1 Communications problems, such as:
• Connection description not loaded (local or remote)
• Connection interrupted (for example: cable, CPU is turned off, or CM/CB/CP is in
STOP mode)
• Connection to partner not yet established
1 2 Negative acknowledgement from the partner device. The task cannot be executed.
1 4 Errors in the send area pointers (RD_x for GET, or SD_x for PUT) involving the data
length or the data type.
1
8
Access error on the partner CPU
1 10 Access to the local user memory not possible (for example, attempting to access a
deleted DB)
1 12 When the SFB was called:
• An instance DB was specified that does not belong to GET or PUT
• No instance DB was specified, but rather a shared DB
• No instance DB found (loading a new instance DB)
1 20
• Exceeded the maximum number of parallel jobs/instances
• The instances were overloaded at CPU-RUN
This status is possible for first execution of the GET or PUT instruction
1
27
There is no corresponding GET or PUT instruction in the CPU.