Festo CDVI-DN Manual page 84

3. Diagnostics
Bit Applies to
0 CP extension:
– CP.. valve terminal
– CP output module
1 – CP input module
in the extension
2 – CP output module
in the extension
3 – CP output module
in the extension
4 – CP input module
in the extension
5 – CP.. valve terminal
6 – CDVI manifold block
– CDVI extension block
7 – CDVI manifold block
Tab. 3/6: Explanation of the diagnostic information (status byte)
3-12
The following table shows the structure of the diagnostic in-
formation (status byte / diagnostic byte):
Comment in the
EDS file
CP valve / output
module missing
CP input module
missing
Electrical overload at
CP output module
No power supply at CP
output module
No or overloaded sen-
sor power supply
Power supply at CP
valve terminal below
20.4 V
Condition counter
reached preselection
Valve power supply at
main unit below 21.6 V
Additional information can be found in Appendix B.1.8.
Explanation
CP connection interrupted
CP connection interrupted
Short circuit or overload at output
module (see section 3.4.1)
Load voltage failure at output
module
Failure of operating voltage at input
module or sensors, short circuit/
overload in sensor supply (see
section 3.4.2)
Valve power supply < 20.4 V
At least one valve counter has
exceeded the limit value.
Valve power supply
< 21.6 V
Festo P.BE-CDVI-DN-EN en 0805a