pCOWeb +030220966 – rel. 1.1 – 12.12.2017 84
In the following, a practical example of what the different Modbus maps mean.
Versions up to 1.4.x
Note that the first digital is set to 1, whereas digital 2 and 3 are set to 0.
Selecting the LOGICAL ADDRESSING
1. Data register 0 Number of points 3:
Data read is 1;1;0 this because in versions 1.4.x there was a bug.
It is possible to read digital variables from 1 to 2047 but not variable 2048.
In order to read the desired variables the following must be used:
2. LOGICAL ADDRESSING data register 1 (Number of points 3) as in the picture below:
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