Owner's manual

72 - 8644/phoenix
SYSTEM DESCRIPTION
The diagnosis format can be set as a parameter on the DPV1 field bus node. You have the choice between
display as a status PDU and identification-related diagnosis.
In addition it is possible to choose the diagnosis of the DP version. This way, operations which were
performed on the previous diagnosis can be used again.
Illustration:
Selecting the
diagnosis
format
Status PDU block
Byte no. Value Description
Byte 1 0x09 DPV1 Status PDU header
Byte 2 0x81 DPV1 Status PDU Type Status PDU
Byte 3 Participant number DPV1 Status PDU slot
Byte 4 0 - 2 DPV1 Status PDU specifier
Byte 5 0 - 5 DPV1 Status PDU User: Error type (see error description)
Byte 6 0 - 12 DPV1 Status PDU User: Error number (see error description)
Byte 7 0 - 255 DPV1 Status PDU User: ID-Code (Interbus)
Byte 8 0 - 255 DPV1 Status PDU User: Length code (Interbus)
Byte 9 0x49 DPV1 Status PDU User: Software version
Diagnosis (new)