Lenze E84DGFCT - Manual (Page 44)

Communication manual 8400 motec EtherCAT®
Parameter data transfer
Reading and writing parameters
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EDS84DMOTECAT EN 2.1 - 11/2012
9.2 Reading and writing parameters
Parameters ...
 are set e.g. for one-time system settings or if materials are changed within a machine.
 are transmitted with a low priority.
In the case of Lenze controllers, the parameters to be changed are contained in codes.
Indexing of the Lenze codes
The codes of the Inverter Drive 8400 motec are addressed by the index when accessed via
the Communication Unit.
The index of Lenze code numbers within the manufacturer-specific area of the object
directory is between 8192 (0x2000) and 24575 (0x5FFF).
Structure of a mailbox datagram
Mailbox data are transmitted in a datagramm within an EtherCAT frame. The data area of
the mailbox datagram has the following structure:
Conversion formula
Index [dec]
Index [hex]
24575 - Lenze code 0x5FFF - Lenze code
hex
Example of C00002 (device commands)
Index [dec]
Index [hex]
24575 - 2 = 24573 0x5FFF - 2 = 0x5FFD
Mailbox
Header
CoE
Header
SDO control
byte
Index Subindex Data Data
6 bytes 2 bytes 1 byte 2 bytes 1 byte 4 bytes 1 ... n bytes