Festo CPX-FB14 Electronic Manual page 134

3. Diagnosis
Byte 0 Byte 1
Error code
Bit Meaning
0 Generic Error
1 Current
Voltage
3 −
4 Communication Error
5 ... 6 −
7 Manufacturer specific
bold = Bit is used by CPX terminal
Tab. 3/7: Error register (Index 1001 with bit assignment as per DS 301/401)
3−18
Byte 2 Byte 3
Error Status
Register bits
Index
Index 1002 (Manufacturer Status Register)
1001
Explanation
Bit is set for each fault
Short circuit/overload in sensor supply (SCS)
Short circuit/overload at outputs (SCO)
V (undervoltage at outputs)
out
V (undervoltage at valves)
val
Failure of load voltage at CPX output module or input
module
−
Node guard, Heart beat, CAN fault
−
Wire fracture
Other faults
Further diagnostic information is provided by the CPX ter
minal in bytes 3 ... 6 of the Emergency Object (Manufacturer
status register, Index 1002).
Byte 4 Byte 5
CPX CPX
module no. fault no.
Byte 6 Byte 7
Additional
reserved
information
on the fault
Festo P.BE−CPX−FB14−E N en 0308a