Lenze · E84AYCET communication module (EtherCAT) · Communication Manual · DMS 5.0 EN · 05/2013 · TD17
73
9
Parameter data transfer
9.2
Reading and writing parameters
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Example
In case of an
Upload
to index 0x5FD8 (Standard setting of C00039/1 (fixed setpoint_1) = 0x0FA0
hex
(4000
dec
)), the transmitted response structure contains the following data:
SDO frame area
Data field
Data type / length
Value / description
Mailbox header
Length
WORD
2 bytes
0x0A: Length of the mailbox service data
Address
WORD
2 bytes
0x00
Channel
WORD
6 bits
(0 ... 5)
0x00: Reserved
Priority
2 bits
(6, 7)
0x00: Lowest priority
Type
4 bits
(8 ... 11)
0x03: CANopen over EtherCAT (CoE)
Reserved
4 bits
(12 ... 15)
0x00
CANopen header
Number
WORD
9 Bits
(0 ... 8)
0x00
Reserved
3 bits
(9 ... 11)
0x00
Service
4 bits
(12 ... 15)
0x03: SDO response
SDO
Size indicator
BYTE
1 bit
(0)
0x01: Length of the data in the "Data set size"
Transfer type
1 bit
(1)
0x01: Expedited transfer
Data set size
2 bits
(2, 3)
0x02: 2 bytes of data
Complete access
1 bit
(4)
0x00: The entry addressed with an index and
subindex is read.
Command specifier
3 bits
(5 ... 7)
0x02: Upload response
Index
WORD
2 bytes
0xD8: Index low byte of the object
0x5F: Index high byte of the object
Subindex
BYTE
1 byte
0x01
Data
DWORD
2 bytes
0x0FA0