Lenze ECSEE040 - Page 93

Configuration
General information about the system bus (CAN)
Parameter data transfer
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EDBCSXE040 EN 6.0
Writing parameters
The acceleration time C0012 (parameter set 1) of the controller with the node address 1 is
to be changed to 20 seconds via the SDO1 (parameter data channel 1).
ƒ Identifier calculation
Identifier from SDO1 to controller Calculation
1536 + node address 1536 + 1 = 1537
ƒ Command "Write Request" (transmit parameter to drive)
Command Value
Write request 23
hex
ƒ Index calculation:
Index Calculation
24575 − code number 24575 − 12 = 24563 = 5FF3
hex
ƒ Subindex: 0
ƒ Calculation of the acceleration time
Data 1 ... 4 Calculation
Value for acceleration time 20 s ú 10.000 = 200.000
dec
= 00 03 0D 40
hex
ƒ Telegram to controller
Identifier
User data
Command Index
LOW byte
Index
HIGH byte
Subindex Data 1 Data 2 Data 3 Data 4
1537
23hex
F3
hex
5F
hex
00
40hex
0D
hex
03
hex
00
ƒ Telegram from controller if executed faultlessly
Identifier
User data
Command Index
LOW byte
Index
HIGH byte
Subindex Data 1 Data 2 Data 3 Data 4
1409 60
hex
F3
hex
5F
hex
00 00 00 00 00
– Command:
"Write Response" (response of the controller (acknowledgement)) = 60
hex
– Identifier:
SDO1 from controller (= 1408) + node address (= 1) = 1409