Festo CPX-M-FB20 Manual page 101

3. Diagnostics and error handling
Description
Max. number of solenoid
coils
Short circuit, open load, un-
dervoltage of a valve
Module fault
Not assigned
Fixed value
Undervoltage diagnostics 1
Fixed value
Undervoltage diagnostics 2
Tab. 3/6: General diagnostics 1
Festo P.BE-CPX-FB20/21-EN en 1202a
General diagnostics 1
Bit Valu Significance
e
š 16 solenoid coils
Bit 0 0
1 >16 solenoid coils
Bit 1 0 No fault
1 Short circuit/open load of at least one solenoid coil
or an undervoltage of a valve
Bit 2 0 No module registers a fault.
1 At least 1 module registers a fault.
Bit 3 – Not assigned
Bit 4 0 fixed
Bit 5 0 US1 > approx. 18 V
1 US1 < approx. 18 V
Bit 6 0 fixed
Bit 7 0 The threshold is dependent on the connected mod-
ules.
1
3-17