SMS-531 User’s Manual v1.1
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4.6 Learning Modbus RTU Commands and Testing
The “Learn” function provides a quick way to learn and test the Modbus
commands for the SMS-531 as the following figure.
There are 2 functions in the windows. The description is as follows:
A.
Send SMS
That can help users to learn the Modbus commands to send SMS from the
SMS-531, including:
1.
Sending the fixed content SMS
It can accord to the defined content of the SMS messages and phone
groups to send the SMS.
Note: The “System->Variable SMS” must be disabled.
2.
Setting the variable content of SMS and sending SMS
This function needs to use 2 Modbus commands.
(1)
Modify the variable content of the SMS (Unicode)
(2)
Sending the SMS
The content of SMS includes the fixed and variable content.
Note: The “System->Variable SMS” must be enabled.
3.
Sending the SMS dynamically
The function needs 3 Modbus commands about this function.
(1)
Modify the phone number. (ASCII)
(2)
Modify the content of the SMS (Unicode)
(3)
Transmitting the SMS
When using this function, you must wait the transmitting SMS has been
sent out then send the next.
