Festo DLP-VSE Series, Manual

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5. Diagnosis
5-16
Festo P.BE-DLP-VSE-... en 0206a
Control system Function
module See... Manufacturer
SIMATIC S5 with
IM 308C FB 192
IM 308C Manual “ET 200 decentral periph-
ery system” Siemens
SIMATIC S5 with
S5-95U/DP master FB 230
“S_DIAG” Manual “ET 200 decentral periph-
ery system” Siemens
SIMATIC S5 with
S50/DP master FB 230
“S_DIAG” Manual “Programmable valve ter-
minal with SB/SF 50” Festo
SIMATIC S7/M7 SFC 13
“DP NRM_DG” Reference manual “System and
standard functions” Siemens
Fig. 5/16: Possibility of reading diagnosis for S5/S7
Example of a STEP 7 user program:
AWL Explanation
CALL SFC 13
Request read
REQ:=TRUE
LADDR:=W#16#03FE
Pointer to diagnostic address, e.g. 1022
D
= 03FE
H
(see mask “Features of DP slave” in Hardware config)
RET_VAL:=MW100 when faults occur, output error code
RECORD:=P#M110.0 WORD 4
Pointer to start of data range for diagnosis
and length of diagnostic data
BUSY:=M10.0
Reading finished
Fig. 5/17: Program example for Step 7