Festo CPX-FB14 Description page 159

3. Diagnostics
Byte 0 Byte 1
Error code
Bit Significance
0 Generic error
1 Current
2 Voltage
3 –
4 Communication error
5 ... 6 –
7 Manufacturer specific
bold = Bit is used by CPX terminal
Tab. 3/12: Error register (index 1001 with bit assignment as per CiA 301/401)
Festo P.BE-FB14-EN en 1411d English
Byte 2 Byte 3
Error re­ Status bits
gister
Index 1001
Index 1002 (manufacturer status register)
Explanation
Bit is set for each error
– Short circuit/overload in sensor supply
– Short circuit/overload at the outputs
– U
OUT
– U
VAL
– Failure of load voltage at CPX output module or CPX
input module
–
– Node guard, heart beat, CAN error
–
– Wire break
– Other error
Further diagnostic information is provided by the CPX
terminal in bytes 3 ... 6 of the emergency object
(manufacturer status register, index 1002).
Byte 4 Byte 5
CPX CPX error
module no.
no.
(undervoltage at the outputs)
(undervoltage at valves)
Byte 6 Byte 7
Reserved Additional
error inf.
3-17