Read/write image data

Local outputs: Q1 – Q8

The local outputs can be read directly via the PROFIBUS-DP fieldbus.

Telegram structure

Byte

 

Meaning

Value (hex), sent by

 

 

 

 

 

Master

 

Slave

0

 

Toggle byte

 

J page 44

 

 

1

 

Command: Read

 

88

 

 

 

Response:

 

 

 

 

 

 

 

Read successful

 

C2

 

 

 

 

 

 

 

 

 

 

 

Command

 

C01)

 

 

 

rejected

 

 

 

 

2

 

Len

 

01

 

01

3

 

Type

 

85

 

85

 

 

 

 

 

 

 

4

 

Index

00

 

00

 

 

 

 

 

 

 

5

 

Data 1 (Low Byte)

00

 

J Table 18

 

 

 

 

 

 

 

6 – 8

 

Data 2 – 4

00

 

00

 

 

 

 

 

 

 

 

1)Possible causes J page 91 Table 18: Byte 5: Data 1

Data 1

Bit 7 6 5 4

3 2 1 0

Q1

 

0/1

 

 

 

Q2

 

0/1

 

 

 

..

..

 

 

 

 

Q8

0/1

 

 

 

 

Example:

Data 1 = 52hex J Q2, Q5 and Q7 are active.

MN05013001E

For more information visit: www.EatonElectrical.com

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Image 69
Eaton Electrical EZ204-DP user manual Local outputs Q1 Q8, Data Bit 7 6 5