Operation: Access to BM
4.2 Reading and writing values
LOGO! CMR2020, LOGO! CMR2040
Operating Instructions, 10/2016, C79000-G8976-C356-03
49
Reading and writing directly using LOGO!Soft Comfort (without CMR)
Note
Access only to the first 128 bytes of the VM (Variable Memory)
In LOGO!Soft Comfort the VM goes to address 850. Via the CMR, however, only the first
128 bytes can be accessed.
For security reasons the address in theVM can only be read or written using SMS if the
address was created earlier as a signal using the WBM.
Table 4- 1
Overview of the options for accessing the LOGO! BM
Value of the
LOGO! BM
Read access
Write access with action
Write access using SMS
Digital inputs (I)
x
-
-
Digital flags (M)
x
-
-
Digital outputs (Q)
x
-
-
Analog inputs (AI)
x
-
-
Analog flags (AM)
x
-
-
Analog outputs (AQ)
x
-
-
Cursor keys (C)
x
-
-
Function keys (F)
x
-
-
Shift register bits (S)
x
-
-
Variables memory
(VM)
x
x
1)
x
Program status (PS)
x
x
x
Communication status
(CS)
x
-
-
1)
You can have write access the variable memory of the LOGO! BM using the action "Forward GPS position":
