Read/write function block data

Data function blocks DB01 .. DB32

Telegram structure

Byte

 

Meaning

Value (hex), sent by

 

 

 

 

 

 

Master

 

Slave

0

 

Toggle byte

 

J page 94

 

1

 

Command:

 

 

 

 

 

 

 

Read

92

 

 

 

 

 

 

 

 

 

 

 

 

Write

B2

 

 

 

 

 

 

 

 

 

 

Response:

 

 

 

 

 

 

Read successful

 

 

C2

 

 

 

Write successful

 

 

C1

 

 

 

Command

 

 

C0

 

 

 

rejected

 

 

 

 

2

 

Type

 

1A

 

1A

 

 

 

 

 

 

 

3

 

Instance

 

01 – 20

 

01 – 20

4

 

Index

 

J Table 79

 

J Table 79

5 – 8

 

Data 1 – 4

 

 

 

 

 

 

 

Read operation

00

 

depending on

 

 

 

 

 

 

 

index,

 

 

 

 

 

 

 

J Table 80

 

 

 

Write operation

depending on

 

00

 

 

 

 

 

index,

 

 

 

 

 

 

 

J Table 80

 

 

 

 

 

 

 

 

 

 

MN05013001E

For more information visit: www.EatonElectrical.com

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Eaton Electrical EZ204-DP user manual Data function blocks DB01 .. DB32 Telegram structure