E94aycen communication manual (ethernet), Parameter data transfer telegram examples – Lenze E94AYCEN User Manual

Page 47

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EDS94AYCEN EN 9.0 - 09/2012

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47

E94AYCEN communication manual (Ethernet)

Parameter data transfer

Telegram examples

7.7.2

Example 2: Querying the firmware product type (read request)

The firmware product type of the controller is to be read.

 Code to be read: C00200
 Assumption: product type = "E94AFH"

Request

 SDO command (GSV) = 0x82 = "Read parameter"
 GCI message qualifier (GMQ) = 0x00 = 00000000B = "Request"
 Transaction ID (GTI) here "1" (optional consecutive number 0 ... 255)
 Length of the user data (SIZE) = 0x0014 = 20 bytes

GCI header

GMT

GSV

GMQ

GTI

SIZE

SIZE

res

res

0x01

0x82

0x00

0x01

0x14

0x00

0x00

0x00

Fixed

Reading

parameters

Request

Transactions ID

Length of the user data = 20 bytes

Reserved

User data area P0

Byte 1

Byte 2

Byte 3

Byte 4

Reserved

Reserved

Data type

Reserved

0x00

0x00

0x00

0x00

Optional for

read request

User data area P1

User data area P2

Byte 1

Byte 2

Byte 3

Byte 4

Byte 1

Byte 2

Byte 3

Byte 4

Code

Reserved

Reserved

Subcode

Reserved

Reserved

0xC8

0x00

0x00

0x00

0x00

0x00

0x00

0x00

Code = 200 = 0x00C8

Subcode = 0

User data area P3

User data area P4

Byte 1

Byte 2

Byte 3

Byte 4

Byte 1

Byte 2

Byte 3

Byte 4

Reserved

Reserved

0x00

0x00

0x00

0x00

0x00

0x00

0x00

0x00

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