3 ctt2: read code number, Ctt2: read code number, Parameter data transfer – Lenze E84DGFCA User Manual

Page 46

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Parameter data transfer

CTT2: Read code number

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Lenze · Decentralised frequency inverter 8400 motec (AS-Interface option) · EDS84DMOTASI EN 4.0 - 09/2013

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9.3

CTT2: Read code number

• Acyclic read request from the master to the slave:

• Response from slave to master is OK:

• Response from slave to master has failed:

Byte

Contents / value

0

CTT2: Code

• Index 0x12 (18): Acyclic read request

1

CTT2: Index

• Index 0x12 (18): Read code number

2

CTT2: Number of bytes

• Value depends on the master.

Byte

Contents / value

0

CTT2: Code

• Index 0x52 (82): Acyclic read request is OK.

3

Index high

byte

Index = 0x5FFF (code of the inverter)

4

Index low

byte

5

Subindex

6

Reserved

Byte

Contents / value

0

CTT2: Code

• Index 0x92 (146): Acyclic read request is not OK.

1

CTT2: Standard error code

CTT2: Standard error codes ( 51)

2

Error code (MSB)

3

Error code

4

Error code

5

Error code (LSB)

CTT2: Acyclic device error codes ( 52)

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