Locating Faults - Festo CPV-DI01 Manual

3. Diagnosis PROFIBUS-DP
3.2

Locating faults

Extension to the CP system (examples)
Fig. 3/6: Reaction when system extension differs from DIL switch setting
Festo P.BE-CP-DI01-EN en 0007a
A deviation in the actual extension of your CP system from
the extension set in the switch module can lead to problems
when the system is started. Read further in chapter 1.8. The
following table shows the reaction.
Deviation
Extension greater
than setting of DIL
>
switches
Extension smaller
than setting of DIL
<
switches
Reaction
System starts.
Superfluous, non-
configured module is
ignored
System starts.
Carry out device-spe-
cific diagnosis (see
chapter 3.3)
3-7