Structure of emergency message
Byte 0…1 Byte2 Byte3 Byte4 Byte5 Byte6 Byte7
Error
register
Status bits CPX module
number
CPX error
number
ReservedError code
1)
Index 1001 Index 1002 (Manufacturer Status Register)
2)
Additional
error inform-
ation
2)
1) in accordance with DS301/DS401
2) device-typical error messages
Tab. 19 Structure of emergency message
Emergency message – error code (byte1, byte0)
Byte1 Byte0 Explanation
00 00 No error
10 00 General errors
23 20 Short circuit at the outputs
23 30 Load dump (wire break)
31 20 Input voltage too low
33 20 Output voltage too low
50 00 Hardware error (all errors > 128)
Tab. 20 Emergency message – error code (byte1, byte0)
Emergency message – error register (byte2)
Bit Meaning Explanation
0 Generic error Bit is set for each error
1 Current Short circuit/overload in sensor supply (SCS)
Short circuit/overload at outputs (SCO)
2 Voltage Undervoltage at outputs (U
OUT
)
Load voltage failure at output module or input module
3
– –
4 Communication error Node guard, heartbeat, fieldbus-specific only
5…6
– –
7 Manufacturer specific Wire break, other error
Tab. 21 Emergency message – error register (byte2)
Function
16 Festo — CPX-E-CEC-... — 2018-09