Festo CPV...-GE-CO3-8 series Electronic Manual page 91

3. Diagnosis and error treatment
Byte 0 Byte 1
Error code
Bit Meaning
0 Generic Error
1 Current
2 Voltage
3 –
4 Communication error
5 ... 6 –
7 Manufacturer specific Reading out the "Manufacturer Status Register" is useful
bold = Bit is used by CPV Direct
Tab. 3/8: Error register (Index 1001 with bit assignment as per DS 301/401)
Festo P.BE-CPV-CO3-EN en 1201a
Byte 2 Byte 3
Error Overview
register of faults
Index
Index 1002 (Manufacturer Status Register)
1001
Explanation
Bit is set for each fault
Short circuit at CP output module
– Undervoltage in the CPV Direct (< 20.4 V, < 12 V)
– Undervoltage of the CP valve terminal in the extension (< 20.4 V)
– Failure of load voltage at CP output module or input module
– Short circuit/overload or failure of additional supply
(CP-E16-M8-Z)
–
– Node guard, Heart beat
–
(see Tab. 3/9 ... Tab. 3/12)
Further diagnostic information is provided by the CPV Direct
in bytes 3 ... 6 of the Emergency Object (Manufacturer Status
Register, Index 1002).
Byte 4 Byte 5
Fault Source
detail of fault
Byte 6 Byte 7
Condition
Reserved
Status
3-13