Festo CPX-FB13 - Page 119

3. Diagnosis
3−23
Festo P.BE−CPX−FB13−EN en 0811c
Possibilities for downloading the diagnosis for S5/S7
The diagnosis for PROFIBUS−DP is supported in the different
control systems by means of function modules. These down
load the slave diagnosis and write it
into a data range of the
user program.
Control system
Functional module See ... Manufacturer
SIMATIC S5 with
IM 308C
FB192 IM 308C" ET 200 Decentral Periphery
System" manual
Siemens
SIMATIC S5 with
S5−95U/DP master
FB230 S_DIAG" ET 200 Decentral Periphery
System" manual
Siemens
SIMATIC S5 with
SF 50/DP master
FB230 S_DIAG" Programmable valve terminal
with SB/SF 50" manual
Festo
SIMATIC S7/M7 SFC13 DP NRM_DG" System and Standard Functions"
reference manual
Siemens
SIMATIC S7/M7 FB125 Siemens download in Internet Siemens
Tab.3/16:Possibilities for downloading the diagnosis for S5/S7
Example for a STEP 7 user program
STL Explanation
CALL SFC 13
REQ:=TRUE Read request
LADDR:=W#16#03FE Pointer at diagnostic address, e.g. 1022
d
= 03FE
h
(see mask Properties  DP slave" in HW Config)
RET_VAL:=MW100 When faults occur, output fault code
RECORD:=P#M110.0 BYTE 64 Pointer at start of data range for diagnosis
and maximum length of the diagnostic data
BUSY:=M10.0 Read procedure finished
Fig.3/9:Programming example in STL