Siemens SIMATIC LOGO! CMR2020 - SMS Message Structures and Examples

Operation
7.3 SMS message structures and examples
LOGO! CMR2020 / LOGO! CMR2040
Operating Instructions, 09/2014, C79000-G8976-C356-01
119
Result of the configuration
The result of the configuration is as follows:
When the water level sensor I1 of the LOGO! BM changes to "1", the two employees of the
maintenance staff "User-1"/fitter and "User2"/foreman are sent an SMS message with the
text "Alarm! Overflow in tank 1".
7.3
SMS message structures and examples
7.3.1
Response of the CMR when receiving an SMS message/replying to SMS
message
List of all permitted and non-permitted characters
You will find a list of all permitted and non-permitted characters in the section Permitted
characters and character lengths (Page 47).
Checking sender numbers
When it receives an SMS message, the CMR first checks whether the sender and the
sender's phone number are registered in the CMR and whether the sender has the rights to
send an SMS message to the CMR (see settings in the section Users (Page 89)):
● Only messages with authorized sender numbers are accepted by the CMR.
● You can also define phone number groups by using the "*" character, refer to the section
Users (Page 89).
Checking SMS text for keywords and password
Note
•
The password must be separated from the keyword with a ";".
•
Read access must not include a password.
•
Write access must include a password.
Requirements:
● The sender number of the SMS message was checked against the configured phone
numbers of the authorized users.
● All messages originating from unauthorized phone numbers were discarded.