Error Messages And Troubleshooting; General Errors; Error Messages - Siemens SIMATIC Ident Function Manual

For moby u, moby d, rf200, rf300
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Error messages and troubleshooting

5.1

General errors

Automation system switches to STOP
● OB 86 not programmed and a slave has failed.
● A slave has failed, and OB122 is not programmed.
The error does not occur until FB 45 is called.
● The pointer Params_DB, command_DB or DAT_DB does not exist or is pointing to a non-
5.2

Error messages

An error condition exists in FB 45 whenever the "Error" variable is enabled on a channel. If
this is the case, the exact cause of the error can be determined from variable "error_MOBY",
"error_FB" or "error_BUS".
Table 5- 1
error_MOBY
error_FB
error_BUS
FB 45 for MOBY U, MOBY D, RF200, RF300
Function Manual, 07/2012, J31069-D0166-U001-A4-7618
existent address area.
Classification of error messages
Error variable
This error is reported by the communications module or reader.
There are two main reasons for this:
Errors have occurred in communication between the communications
module and the reader or between the reader and the transponder.
The CM cannot process the command.
Error_MOBY is indicated on the CM by the ERR LED with the corresponding
flashing pattern.
This error is signaled by FB 45.
Main cause
There is a parameter error in "Params_DB" or "command_DB".
The transport layer of PROFIBUS or PROFINET is signaling an error. A
PROFIBUS tracer and a PROFIBUS device (BT 200; order No. 6ES7181-
0AA00-0AA0) or a diagnostics repeater (order no. 6ES7972-0A801-0XA1) are
invaluable tools for accurate troubleshooting. The PROFIBUS system
diagnostics can provide further information about the cause of the error. The
error shown here is reported by the SFB 52/53 system function in the RET_VAL
parameter. For a detailed description of the RET_VAL parameter, please refer to
the SIMATIC S7 system manuals (see System software for S7-300/400).
Classification
5
47

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