Technical data

6-120 Bosch Rexroth AG | Electric Drives and Controls Rexroth VCP-Operating Concept | R911305038 / 01
PROFIBUS-DP raw
6.9.1.1 Diagnosis
The operating device implements the station-related diagnosis.
5-byte user diagnosis data is transferred
– 1st byte = error number (1 = communication error in the operating
device)
– 2nd and 3rd byte communication error code
– 4th and 5th byte communication error subcode
The communication-error code and subcode are the values that are
also displayed on the operating device.
6.9.2 Data Profile
To allow direct data access to the different data areas in a controller, a
data profile must be agreed between the master and the slave.
The first four bytes of the telegram length set are used as follows:
– Telegram sequential number and length
– Definition of the access
– Definition of the data area