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
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