3 parameter data telegram examples, 1 read parameters, Parameter data telegram examples – Lenze E94ARNE Regenerative power supply User Manual

Page 128: Read parameters

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9400 regenerative power supply module | Parameter setting

"CAN on board" system bus

Parameter data transfer

128

L

EDS94ARNExxxx EN 2.3 - 06/2014

6.7.3

Parameter data telegram examples

6.7.3.1

Read parameters
Task: The heatsink temperature (43 °C) of the controller with the node address "5" is to be

read (code C00061, data format INTEGER32, scaling factor 1).

Telegram to the drive

Response telegram from the drive (for successful execution)

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 - telegram to drive
Identifier

= 1536 + node address = 1536 + 5 = 1541 = 0x0605

(1536 = basic identifier of SDO1 to the controller)

Command

= 0x40 = "read request" (request to read a parameter from the controller)

Index

= 24575 - code number = 24575 - 61 = 24514 = 0x5FC2

Subindex

= 0 (code C00061 has no 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 - telegram from drive
Identifier

= 1408 + node address = 1408 + 5 = 1413 = 0x0585

(1408 = basic identifier of SDO1 from the controller)

Command

= 0x43 = "read response" (response to the read request with the current value)

Index

Same as for telegram to the drive

Subindex
Data 1 ... 4

= 0x0000002B = 43 [°C]

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