Siemens SIMATIC LOGO! CMR2020 Operating Instructions Manual page 128

Operation
7.3 SMS message structures and examples
Structure of the reply SMS message of the process image (PI-SMS)
Note
Maximum of six SMS messages
The reply SMS includes a maximum total of six SMS messages. The number of SMS
messages depends on the monitored signals.
Meaning of "*" in the tables
"*" correspond to spaces in the structure of the reply SMS message.
Representation of digital values, shift registers
● One digit with the logical state (0 or 1).
● Eight values per line counting from right to left.
Representation of analog values
● Analog values according to the internal representation (max. 5 characters) of the analog
values of the LOGO! BM.
● The representation of the values is 5 digits with leading zeros. One analog value is output
per line.
Representation of unused values and value blocks
● Unused values are represented by "x".
● If there are no used values in the remaining lines of a value block, these lines are not
shown.
Refer to "Example of a reply SMS message" below in the value block "BM I:".
● An unused values block is not displayed nor is the name.
Representation of control keys
● 4 values per line
128
LOGO! CMR2020 / LOGO! CMR2040
Operating Instructions, 09/2014, C79000-G8976-C356-01