Eaton Electrical PROFIBUS-DP EZ204-DP ユーザーズマニュアル

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MN05013001E

Read local analog inputs IA1 to IA4
The analog inputs on the EZ800 and EZD basic units can be 

read directly via PROFIBUS-DP. The 16-bit value is 

transferred in Intel format (LowByte first).
Telegram structure

0

Toggle byte

J

1

Command: Read

91

–

Response:

Read successful

–

C2

Command 

rejected

–

C0

2

Len

02

02

3

Type

02

02

4

Index

01 – 04

1

01 – 04

1

5 

Data 1 (Low Byte)

00

See example

6

Data 2 (High Byte)

00

See example

7 – 8

Data 3 – 4

00

00

1) 01 = Analog input I7

02 = Analog input I8

03 = Analog input I11

04 = Analog input I12