Die Emergency Message - Festo CPX-FB37 Translation Of The Original Instructions

5 Diagnostics
5.5.4

Die Emergency Message

If there is an error, the CPX terminal will transmit an Emergency Message, which consists of the follow-
ing:
– Byte 0, 1: Error Code in accordance with DS301/DS401
– Byte 2: Error Register (Index 1001)
– Byte 3 ... 7: Manufacturer Specific Error Field (contains device-typical error messages).
Bytes 3 ... 6 form the manufacturer status register (index 1002).
Byte 0 Byte 1 Byte 2
Error code Error
register
Index 1001
Tab. 5.16 Composition of the emergency message (additional information in Tab. 5.17 ... Tab. 5.22)
Composition of the emergency message – error code (byte 1, byte 0)
Byte 1 Byte 0
00 00
10 00
23 20
23 30
31 20
33 20
50 00
Tab. 5.17 Error code
Festo – P.BE-CPX-FB37-EN – 1406NH – English
Byte 3 Byte 4
Status bits CPX
module no.
Index 1002 (manufacturer status register)
Explanation
No error
General error
Short circuit at outputs
Load dump (wire break)
Input voltage too low
Output voltage too low
Hardware error (all errors > 128)
Byte 5 Byte 6
CPX error reserved
no.
Byte 7
additional
error inf.
73