Operating instructions

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4.9.3 Emergency message, fault switch-off
As soon as a fault switch-off occurs in a slave frequency inverter, the emergency tele-
gram is transmitted. The emergency telegram marks the node ID for the identification
of the failed node via its identifier and the existing fault message via its data contents
(8 bytes).
The emergency telegram has the identifier 128 + node ID.
After a fault acknowledgment, another emergency telegram is transmitted, with the
data content (Byte 0 ...7) being set to zero this time. This identifies the node's re-
peated readiness for operation. If a further fault occurs subsequently, it is transmitted
in a new emergency telegram.
The acknowledgment sequence is based on the definitions according to CANopen.
Data contents of the emergency telegram:
Emergency telegram
Byte Value Meaning
0 0x00 low-byte Error-Code
1 0x10 high-byte Error-Code
2 0x80 Error-Register
3 0 -
4 0 -
5 0 -
6 0xnn internal Error-Code, low-byte
7 0xmm internal Error-Code, high-byte
Bytes 0, 1 and 2 are firmly defined and compatible with CANopen.
Bytes 6/7 contain the product specific VECTRON error code.
Error-Code = 0x1000 = general error
Error-Register = 0x80 = manufacturer-specific error
The explanation and description of the product-specific VECTRON error code can be
found in the annex "Error messages".