Lenze DDS System bus CAN for PLC - Manual (Page 30)

System bus (CAN) for Lenze PLC devices
General information
2−18
l
PLC−Systembus EN 2.0
Telegram from the controller (value of the parameter requested)
Formula Information
Identifier = basic identifier + node address
= 1408 + 5
= 1413
·
Basic identifier for parameter data channel 1 (input) = 1408
·
Node address of the controller = 5
Command code = 43
hex
·
"Read Response" command (response to the read request with the
current value)
Index = index of the read request
Subindex = subindex of the read request
Data 1 ... 4 = 43 x 10000
= 430000
= 00 06 8F B0
hex
·
Assumption: The current heatsink temperature of the controller is 43 ºC,
therefore the value of the parameter to be read is 43
·
Fixed32 data format (4 fixed decimal positions); multiply value by 10000
11bit 8 bytes user data
Identifier
Command
code
Index
Subindex Data 1 Data 2 Data 3 Data 4
Low byte High byte
1413 43
hex
C2
hex
5F
hex
0 B0hex 8Fhex 06
hex
00
hex
(LSB) (MSB)