Festo Compact Performance CP-FB6-E, Manual

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3.3 Diagnosis via INTERBUS
The CP system makes available the following
diagnostic options via the INTERBUS:
– Entries in the diagnostic status register of the
module.
3.3.1 Diagnostic status register
The diagnostic register of the module is structured spe-
cifically for the INTERBUS and contains the following
diagnostic information:
n n + 1
7 0 7 6 5 4 3 2 1 0
USER User fault parametrizing
PF Periphery fault, e.g. valve terminal
BUS Bus fault
CTRL Fault in module/hardware
DETECT Diagnostic routine is active
RUN Diagnostic transmission is active
ACTIVE Selected configuration is ready to run
READY Module is ready to run
Fig. 3/3: Structure of the diagnostic status register
The CP system triggers "PF Periphery fault" as a com-
mon error message.
3. Diagnosis
3-10
CP FB6-E 9809c