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