Modbus Configuration

The Modbus configuration menu will allow you to adjust the base address for the I/O to be displayed or controlled. When in Modbus mode, the radio ID number is within the Modbus configuration menu.

Digital Input Types

The RT series RTU’s support the ability to configure DI-1 and DI-2 as Digital or Frequency/Accumulator inputs. Some RTU have an additional, dedicated, “Freq” input.

Clicking on a respective “Input” box, will check and uncheck, the respective input box.

If a respective Input Box is Checked, the input will be configured as a digital discrete input. To save this setting to the respective RTU, press the “Send Parameters To Device” button.

If a respective Input Box is Unchecked, the input will be configured as a Counter/Accumulator/Frequency input. To save this setting to the respective RTU, press the “Send Parameters To Device” button.

The Counter/Accumulator/Frequency mode is reserved for Modbus mode. The Accumulator and Frequency values are held in separate registers.

The RT12-4444 is equipped with a configurable communications watch dog timer. The timer was designed to detect the absence of data traffic will attempt to reset the communications system. Setting the timer to “0” will disable the timer. The timer is in seconds. To set the timer, make sure you are connected to the respective device, enter a timer value from 1 to 65535 and press “Send Parameters To Device”. It is not recommended to enter a value smaller than 60.

Manual Documentation Number: RT-12 series-4006m

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B&B Electronics RT12-0044-ZP-12, RT12-4444-9T-W20 manual Modbus Configuration, Digital Input Types

Models: RT12-0044-ZP-12 RT12-2222-ZP-12 RT12-4444-9T-W20