Lenze 8400 motec Series - Parameter Data Telegram Examples

Lenze · Decentralised frequency inverter 8400 motec (CANopen option) · EDS84DMOTCAN EN 4.0 - 02/2019 59
Parameter data transfer
Parameter data telegram examples
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _
9.3 Parameter data telegram examples
9.3.1 Read parameters
Task: The heatsink temperature of 43 °C (code C00061, data format INTEGER32, scaling factor 1) of
the inverter with the node address "5" is to be read.
Telegram to the 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
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 = basic identifier SDO1 to the inverter)
Command = 0x40 = "Read Request" (read request of a parameter from the inverter)
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 = basic identifier SDO1 from the inverter)
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]