
E94AYCCA communication manual (CANopen®)
Parameter data transfer
Examples for a parameter data telegram
70
L
EDS94AYCCA EN 5.0 - 06/2012
9.3.2
Writing parameters
Task: The rated current of the connected motor with I
rated
= 10.2 A (code
C00088
) is to be
entered in the controller with node address "2".
Telegram to drive
Response telegram from drive (if data have been transmitted correctly)
Identifier
User data
1st byte
2nd byte 3rd byte
4th byte
5th byte
6th byte
7th byte
8th byte
Command
Index
Subindex
Data 1
Data 2
Data 3
Data 4
0x0602
0x23
0xA7
0x5F
0x00
0x66
0x00
0x00
0x00
Explanations of the telegram to the drive
Identifier
= 1536 + node address = 1536 + 2 = 1538 = 0x0602
(1536 = basic identifier SDO1 to the controller)
Command
= 0x23 = "Write Request" (write request of a parameter to the controller)
Index
= 24575 - code number = 24575 - 88 = 24487 = 0x5FA7
Subindex
= 0 (code
C00088
has no subcodes)
Data 1 ... 4
= 10.2 x 10 = 102 = 0x00000066
(Value for motor current, data type U32; display factor 1/10)
Identifier
User data
1st byte
2nd byte 3rd byte
4th byte
5th byte
6th byte
7th byte
8th byte
Command
Index
Subindex
Data 1
Data 2
Data 3
Data 4
0x0582
0x60
0xA7
0x5F
0x00
0x00
0x00
0x00
0x00
Explanations of the telegram from the drive
Identifier
= 1408 + node address = 1408 + 2 = 1410 = 0x0582
(1408 = basic identifier SDO1 from the controller)
Command
= 0x60 = "Write Response" (acknowledgement of the write access from the controller)
Index
as in telegram to the drive
Subindex
Содержание E94AYCCA
Страница 2: ...2 L EDS94AYCCA EN 5 0 06 2012 ...