3 parameter data telegram examples, 1 reading parameters, Parameter data telegram examples – Lenze E84DGFCC User Manual
Page 62: Reading parameters, Communication manual 8400 motec canopen

Communication manual 8400 motec CANopen
Parameter data transfer
Parameter data telegram examples
62
L
EDS84DMOTCAN EN 3.0 - 11/2011
9.3
Parameter data telegram examples
9.3.1
Reading parameters
Task: The heatsink temperature of 43 °C (code: C00061, data format: INTEGER32, scaling
factor: 1) of the controller with node address "5" is to be read.
Telegram to the drive
Response message 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
0x0605
0x40
0xC2
0x5F
0x00
0x00
0x00
0x00
0x00
Explanations on the telegram to the drive
Identifier
= 1536 + node address = 1536 + 5 = 1541 = 0x0605
(1536 = SDO1 basic identifier to the controller)
Command
= 0x40 = "Read request" (read request of a parameter from the controller)
Index
= 24575 - code number = 24575 - 61 = 24514 = 0x5FC2
Subindex
= 0 (code C00061 does not have any subcodes)
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
0x0585
0x43
0xC2
0x5F
0x00
0x2B
0x00
0x00
0x00
Explanations on the telegram from the drive
Identifier
= 1408 + node address = 1408 + 5 = 1413 = 0x0585
(1408 = SDO1 basic identifier from the controller)
Command
= 0x43 = "Read response" (response to the read request with current value)
Index
As in telegram to the drive
Subindex
Data 1 ... 4
= 0x0000002B = 43 [°C]