How to Test a Channel with Requests
(Original Document)
At a Glance
This page indicates the procedure for testing a communication channel from the debugging screen using different requests.
How to Send a Request
The following procedure is used to send a request, other than those provided by the command buttons, to a designated station.
Step
Action
1
Select the address of the slave to be interrogated using the Slave field.
2
Click the Enter Request button.
Result: The following window appears.
The data sent in this example is coded on 3 bytes.
3
Enter the function code (coded in hexadecimal on one byte), corresponding to the request that you want to send.
4
Enter the data to be sent by coding all the data in hexadecimal. Enter the data continuously without any intervening spaces.
5
Click the Send button.
Result: The response appears in the Request Response window:
The response from the example has data on 3 bytes (12 43 DB).