Siemens SIMATIC S7 Manual page 50

Error messages of FB MODBUSPN at the output STATUS_MODBUS
STATUS Event text
(Hex)
A00F
A protocol identifier <> 0 was received.
The connection is terminated.
A010
In the parameters db_1 to db_8 a DB number is used
twice.
A011
An invalid value for DATA_TYPE is given (Value range: 1
to 4).
A012
The parameterized areas data_type_1 and data_type_2
overlap.
A013
The parameterized areas data_type_1 and data_type_3
overlap.
A014
The parameterized areas data_type_1 and data_type_4
overlap.
A015
The parameterized areas data_type_1 and data_type_5
overlap.
A016
The parameterized areas data_type_1 and data_type_6
overlap.
A017
The parameterized areas data_type_1 and data_type_7
overlap.
A018
The parameterized areas data_type_1 and data_type_8
overlap.
A019
0 is assigned to one of the parameters db_x while the
according data_type_x is <> 0.
DB 0 can't be used; it is reserved for system functions.
A01A
Wrong length in the Modbus header (1 to 253 byte are
valid).
The connection is terminated.
A01F
The FB MODBUSPN has turned to an invalid state.
A023 The parameterized areas data_type_2 and data_type_3
overlap.
A024 The parameterized areas data_type_2 and data_type_4
overlap.
A025 The parameterized areas data_type_2 and data_type_5
overlap.
A026 The parameterized areas data_type_2 and data_type_5
overlap.
A027 The parameterized areas data_type_2 and data_type_5
overlap.
A028 The parameterized areas data_type_2 and data_type_5
overlap.
A034 The parameterized areas data_type_3 and data_type_4
overlap.
MODBUS / TCP communication via the integrated PN interface of the CPU
2XV9450-1MB02; Manual edition 2.1
Remedy
Verify the data of the
communication partner with the
help of a telegram trace.
Correct the parameterization in
DB MODBUS_PARAM.
Correct the parameters.
Correct the parameterization in
DB MODBUS_PARAM.
The data areas must not
contain any overlapping
register areas.
Correct the parameterization in
DB MODBUS_PARAM.
Verify the data of the
communication partner with the
help of a telegram trace.
Please contact the product
support.
Correct the parameterization in
DB MODBUS_PARAM
The data areas must not
contain any overlapping
register areas.
Diagnosis
7-8