EZ800/EZD Control Commands

Example

A voltage signal is present at analog input 1. The required telegrams for reading the analog value are as follows:

Byte

 

Meaning

Value (hex), sent by

 

 

 

 

Master

 

Slave

0

 

Toggle byte

 

81

 

80

1

 

Command: Read

 

91

 

 

 

Response: Read

 

 

C2

 

 

successful

 

 

 

 

2

 

Len

 

02

 

02

3

 

Type

 

02

 

02

4

 

Index

 

011

 

011

5

 

Data 1

00

 

D9

 

 

 

 

 

 

 

6

 

Data 2

00

 

02

 

 

 

 

 

 

 

7

 

Data 3

00

 

00

 

 

 

 

 

 

 

8

 

Data 4

00

 

00

 

 

 

 

 

 

 

1) 01 = Analog input 1

Byte 5 – Data 1 (Low Byte): D9hex

Byte 6 – Data 2 (High Byte): 02hex

Jcorresponding 16-bit value: 02D9hex = 729 (7.29 V)

104

For more information visit: www.EatonElectrical.com

MN05013001E

Page 108
Image 108
Eaton Electrical EZ204-DP user manual 104