Festo DLP-VSE Series, Manual, Page: 99 / 112

5. Diagnosis
5-15
Festo P.BE-DLP-VSE-... en 0206a
Control system Module Meaning STOP RUN
SIMATIC S5 with
IM 308C
OB23 Reaction to QVZ with
direct periphery access default OB is programmed
OB24 Reaction to QVZ with
periphery access via
process image default OB is programmed
OB35 Reaction to PEU default OB is programmed
SIMATIC S7/M7 OB82 Reaction to a device-
related diagnosis default OB is programmed
OB86 Reaction to failure of a
DP slave default OB is programmed
QVZ: Acknowledgement delay
OB: Organisation module
PEU: Periphery not clear
Fig. 5/15: Error reactions of the control system
Further details can be found in the appropriate manuals for
the control systems.
Possibility of reading diagnosis for S5/S7
The diagnosis for the PROFIBUS-DP is supported by function
modules in the various control systems. These function mod-
ules read out the slave diagnoses and write them in a data
range in the user program.