Siemens S7-1200 System Manual page 359

Table 8- 141 Data types for the parameters
Parameter and type
MODE IN
LADDR IN
RET_VAL OUT
CNT_DIAG OUT
DIAG InOut
DETAILS InOut
MODE parameter
Depending on the value at the MODE parameter, different diagnostics data is output at the
DIAG, CNT_DIAG and DETAILS output parameters:
Table 8- 142 MODE parameter
MODE Description
0 Output of all supported
diagnostic information for a
module as DWord, where Bit
X=1 indicates that mode X is
supported.
1 Output of the inherent status
of the addressed hardware
object.
2 Output of the status of all
subordinate modules of the
addressed hardware object.
S7-1200 Programmable controller
System Manual, 03/2014, A5E02486680-AG
Data type Description
UInt Use the MODE parameter to select which diagnostic data is to be
output.
HW_ANY (Word) Hardware ID of the device
Int Status of the instruction
UInt Number of output diagnostic details
Variant Pointer to data area for storage of diagnostic information of the
selected mode
Variant Pointer to data area for storage of diagnostic details in accordance
with the selected mode
DIAG
Bit string of the supported
modes as DWord, where Bit
X=1 indicates that mode X
is supported.
Diagnostics status: Output
in accordance with the DIS
structure. (Note: Refer to
the "DIS structure"
information below and
GET_DIAG instruction
example at the end of the
section.)
Output of diagnostics data
in accordance with the DNN
structure. (Note: Refer to
the "DNN structure"
information below and
GET_DIAG instruction
example at the end of the
section.)
8.5 Diagnostics (PROFINET or PROFIBUS)
CNT_DIAG
0
0
0
Extended instructions
DETAILS
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-
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