Siemens SIMATIC LOGO! CMR2020 Operating Instructions Manual page 129

The reply SMS message of the CMR to a process image query has the following prepared
structure:
Table 7- 2
CMR I: Name of the values block for CMR inputs
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CMR Q: Name of the values block for CMR outputs
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BM PS/CS: Program and communications status of the BM
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BM I: Name of the value block for LOGO! BM - digital inputs
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BM Q: Name of the value block for LOGO! BM - digital outputs
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BM M: Name of the value block for LOGO! BM - digital flags
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BM S: Name of the value block for LOGO! BM - shift register
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BM C: Name of the value block for LOGO! BM - arrow keys
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BM F: Name of the value block for LOGO! BM - function keys
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BM AI: Name of the value block for LOGO! BM - analog inputs
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LOGO! CMR2020 / LOGO! CMR2040
Operating Instructions, 09/2014, C79000-G8976-C356-01
Reply SMS message: Structure
CMR input 1 and 2, values from right (I1) to left (I2)
CMR output 1 and 2, values from right (Q1) to left (Q2)
PS CS
PS=1 BM in RUN
PS=0 BM in STOP
CS=1 connection to CMR
CS=0 no connection to CMR
Inputs 8 ... 1, values from right (I1) to left (I8)
Inputs 16 ... 9
Inputs 24 ... 17
Outputs 8 ... 1, values from right (Q1) to left (Q8)
Outputs 16 ... 9
Outputs 20 ... 17
Flags 8 ... 1, values from right (M1) to left (M8)
Flags 16 ... 9
Flags 24 ... 17
Flags 32 ... 25
Flags 40 ... 33
Flags 48 ... 41
Flags 56 ... 49
Flags 64 ... 57
Shift register inputs S1.8 ... S1.1
Shift register inputs S2.8 ... S2.1
Shift register inputs S3.8 ... S3.1
Shift register inputs S4.8 ... S4.1
Keys 4 ... 1 in the symbols
Function keys F4 ... F1, F1 right justified
Analog input 1
7.3 SMS message structures and examples
Operation
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