2 assignment of user data areas p0 ... p4, Assignment of user data areas p0 ... p4, 3communication with the controller – Lenze i700 User Manual

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3

Communication with the controller

3.6

Ethernet over EtherCAT (EoE)

36

Lenze · i700 servo inverter · Reference manual · DMS 1.5 EN · 03/2014 · TD05

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3.6.4.2

Assignment of user data areas P0 ... P4

Data type in P0 / byte 3

Parameter value in P3 and P4
Depending on the data type, the parameter value assigns 1 ... 8 bytes. The data is stored in the Little-

Endian format, i.e. first the low byte or low word, then the high byte or high word:

Range

Byte 1

Byte 2

Byte 3

Byte 4

P0

Status/error code

Data type

Reserved

P1

Index

Reserved

Reserved

P2

Subindex

Reserved

Reserved*

P3

Parameter value

P4

Parameter value

* When the data type VISIBLE_STRING is transmitted, byte 4 contains the number of the characters attached.

ID

Data type

Data length

0x01

INTEGER_8

1 byte

0x02

INTEGER_16

2 bytes

0x03

INTEGER_32

4 bytes

0x04

INTEGER_64

8 bytes

0x05

UNSIGNED_8

1 byte

0x06

UNSIGNED_16

2 bytes

0x07

UNSIGNED_32

4 bytes

0x08

UNSIGNED_64

8 bytes

0x09

FLOATING_POINT

4 bytes

0x0A

VISIBLE_STRING

max. 256 bytes

0x0B

OCTET_STRING

max. 256 bytes

Data length

of parameter value

Data area P3

Data area P4

Byte 1

Byte 2

Byte 3

Byte 4

Byte 1

Byte 2

Byte 3

Byte 4

1 byte

Value

0x00

0x00

0x00

0x00

0x00

0x00

0x00

2 bytes

Low byte

High byte

0x00

0x00

0x00

0x00

0x00

0x00

Value

4 bytes

Double word

0x00

0x00

0x00

0x00

Low word

High word

Low byte

High byte

Low byte

High byte

Value

8 bytes

Lower-order double word

Higher-order double word

Low word

High word

Low word

High word

Low byte

High byte

Low byte

High byte

Low byte

High byte

Low byte

High byte

Value

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