Remote Query Of A Value - Siemens SIMATIC S7-300 Manual

No. Action
3. An individual logic for the Order_No
parameter may look as follows:
Set and reset flag.
If the Order_No of the received
message, is, for example, '1'
'OnM50.1', the M50.1 flag will be
set.
If the Order_No of the received
message, is, for example, '6'
'OffM50.1', the M50.1 flag will be
reset.
6.2.2

Remote query of a value

In this scenario, the FB "SMS_Meld" function block and the FC "SMS_MNG"
function are used to receive and evaluate a query SMS message and to send a
feedback message with the desired value back to the user.
Sending and Receiving SMS Messages with MD720-3
V 2.1, ID Number: 25545680
6.2 Receiving an SMS message (scenario 3/scenario 4)
6 Operation of the Application
Remark
47