2 write parameters, Write parameters – Lenze E94ARNE Regenerative power supply User Manual

Page 129

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EDS94ARNExxxx EN 2.3 - 06/2014

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9400 regenerative power supply module | Parameter setting

"CAN on board" system bus

Parameter data transfer

6.7.3.2

Write parameters
Task: In the controller with the node address "2", the rated current of the connected motor

is to be entered with I

rated

= 10.2 A (code C00088).

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

0x0602

0x23

0xA7

0x5F

0x00

0x66

0x00

0x03

0x00

Explanations - telegram to drive
Identifier

= 1536 + node address = 1536 + 2 = 1538 = 0x0602

(1536 = basic identifier of SDO1 to the controller)

Command

= 0x23 = "write request" (request to write a parameter to the controller)

Index

= 24575 - code number = 24575 - 88 = 24487 = 0x5FA7

Subindex

= 0 (code C00088 has no subcodes)

Data 1 ... 4

= 10.2 x 10 = 102 = 0x00030066

(value for motor current; data type U32; display factor 1/10)

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

0x0582

0x60

0xA7

0x5F

0x00

0x00

0x00

0x00

0x00

Explanations - telegram from drive
Identifier

= 1408 + node address = 1408 + 2 = 1410 = 0x0582

(1408 = basic identifier of SDO1 from the controller)

Command

= 0x60 = "write response" (acknowledgement of the write access from the controller)

Index

Same as for telegram to the drive

Subindex

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