Value Description
8087h Record set may not be read because the module does not exist or it does not return an acknowledge-
ment.
8088h Record set may not be read because the current type identifier differs from the expected type identi-
fier.
8089h Record set may not be read because the module does not support diagnostic functions.
80A2h DP protocol error - Layer-2 error (temporary fault).
80A3h DP protocol error on user-interface/user (temporary fault).
80A4h Bus communication failure. This error occurs between the CPU and the external DP interface (tempo-
rary fault).
80C5h Decentralized periphery not available (temporary fault).
14.1.40 SFC 52 - WR_USMSG - Write user entry into diagnostic buffer
The SFC 52 WR_USMSG (write user element in diagnosis buffer) writes a used defined
diagnostic element into the diagnostic buffer.
To determine whether it is possible to send user defined diagnostic messages you must
issue a call to SFC 51 "RDSYSST" with parameters SSL_ID = 0132h and INDEX =
0005h. Sending of user defined diagnostic messages is possible if the fourth word of the
returned record set is set to "1". If it should contain a value of "0", sending is not possible.
The diagnostic message can only be entered into the send buffer if this is not full. At a
maximum of 50 entries can be stored in the send buffer.
If the send buffer is full
n the diagnostic event is still entered into the diagnostic buffer
n the respective error message (8092h) is entered into parameter RET_VAL.
The diagnostic message can only be entered into the send buffer if this is not full. At a
maximum of 50 entries can be stored in the send buffer. If the send buffer is full
n the diagnostic event is still entered into the diagnostic buffer,
n the respective error message (0091h or 8091h) is entered into parameter RET_VAL.
Description
Send diagnostic message
Send buffer full
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Integrated Standard
System Functions > SFC 52 - WR_USMSG - Write user entry into diagnostic buffer
HB00 | OPL_SP7 | Operation list | en | 18-30 687
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