Circutor CVM-B100 - 7�8�4�- Modbus Communications

Maximum value: 250.
Minimum value: 1.
Use the
and buttons to select the different options.
To conrm the selection, press the
button.
If no button is pressed for 5 minutes, the display screen changes automatically to the default
screen, which displays the voltage measurement of 4 parameters.
● When programming the transmission speed, Baud rate:
, ... Possible transmission speeds:1200, 2400, 4800 o 9600.
Previous, selects the previous parameter.
Next, selects the next parameter.
Confirm, confirms and saves the values programmed on the screen in the
memory
.
Back, returns to the main conguration screen of the expansion modules menu.
Main Menu, returns to the main menu, Figure 25.
Use the
and buttons to select the different options.
To conrm the selection, press the
button.
If no button is pressed for 5 minutes, the display screen changes automatically to the default
screen, which displays the voltage measurement of 4 parameters.
7.8.4.- MODBUS COMMUNICATIONS
The following functions are implemented for this variable:
Function 0x04: reading logs.
Function 0x10: Writing multiple logs.
Table 152:Modbus memory map: MBus communications module
Conguration of the MBus parameters
Configuration variable Address Valid data margin Default value
Primary address EE48
1 - 250
1
Baud rate EE49
2: 1200 - 3: 2400 -
4: 4800 - 5: 9600
5
Note: The 2 logs can be read separately, but they must be written at the same time (as a
group). Otherwise, the system will reply with an error.
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Instruction Manual
CVM-B100 - CVM-B150