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Lenze · 8400 HighLine · Reference manual · DMS 12.0 EN · 06/2017 · TD23
743
11
System bus "CAN on board"
11.9
Parameter data transfer
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11.9.3
Parameter data telegram examples
11.9.3.1
Read parameters
Task: The heatsink temperature of 43 °C (code
, data format INTEGER16, scaling factor 1) of
the inverter with node address "5" is to be read.
Telegram to drive
Response telegram from drive (if data have been correctly transmitted)
Identifier
User data
1st byte
2nd byte 3rd byte
4th byte
5th byte
6. 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 inverter)
Command
= 0x40 = "Read request" (read request of a parameter from the inverter)
Index
= 24575 - code number = 24575 - 61 = 24514 = 0x5FC2
Subindex
does not have any subcodes)
Identifier
User data
1st byte
2nd byte 3rd byte
4th byte
5th byte
6. byte
7th byte
8th byte
Command
Index
Subindex
Data 1
Data 2
-
-
0x0585
0x4B
0xC2
0x5F
0x00
0x2B
0x00
-
-
Explanations on the telegram from the drive
Identifier
= 1408 + node address = 1408 + 5 = 1413 = 0x0585
(1408 = SDO1 basic identifier from the inverter)
Command
= 0x4B = "Read Response" (response to the read request with current value)
Index
as in telegram to the drive
Subindex
Data 1 ... 2
= 0x002B = 43 [°C]