3 parameter data telegram examples, 1 read parameters, Read parameters – Lenze E94AxPExxxx User Manual

Page 362: Parameter data telegram examples, 10 "can on board" system bus

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10

"CAN on board" system bus

10.7

Parameter data transfer

362

Lenze · 9400 Servo PLC· Reference manual · DMS 4.0 EN · 11/2013 · TD05/06

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10.7.3

Parameter data telegram examples

10.7.3.1

Read parameters

Task: The heatsink temperature of 43 °C (code

C00061

, data format INTEGER32, scaling factor 1) is

to be read from the controller with node address 5.

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 controller)

Command

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

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

6. 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 = SDO1 basic identifier from the controller)

Command

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

Index

as in telegram to the drive

Subindex
Data 1 ... 4

= 0x0000002B = 43 [°C]

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