EM-RES-03 4710/07
5.14 Ancillaries
For the planning of the system bus according to the drive tasks in question, there are
ancillaries in the form of tables.
The planning of the system bus is done in three steps:
1. Definition of the communication relationships
2. Production of the virtual links
3. Capacity planning of the system bus
The priority assignment of the identifiers is relevant for the definition of the commu-
nication relationships. Data that are to be transmitted with a higher priority must be
given low identifiers. This results in the message with the higher priority being trans-
mitted first with a simultaneous access of two subscribers to the bus.
Note: The recommended identifier range for the communication relationships
via the PDO channels is 385 ...
The identifiers below 385 are used for the NMT telegrams (boot-up se-
quence, SYNC telegram) and emergency message.
The identifiers above 1407 are used for the SDO channel for parameteri-
zation.
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