The AXON can run on any DC voltage between 5 and 30 Vdc. The current consumption depends on the actual supply voltage, but is typically 110 mA at 12 Vdc for the 8A & 8D and up to 190 mA for the 5R (with all relays energized). A 2.1mm locking DC Power barrel connector with negative shell is used. 

Connect the power supply to your power mains and then connect the 2.1mm locking barrel connector to the AXON.

Once power is applied to the AXON, the unit takes about 5 to 10 seconds to boot-up (except on first start-up or following a factory reset), see this article. The unit is ready once the “ACTIVITY” heartbeat light starts blinking. 

Depending on the type of AXON that you are using, you will need to properly set the DIP switches found on the side of the unit. 

AXON-8A Connections and Switch Settings

The AXON-8A’s flexible analog inputs can accept a wide range of signals. Sensors with various voltage outputs (±0.5, ±2.5, ±5, ±10, ±20 and -40 or +40 V) or current outputs (4-20mA), be they bipolar or differential, can all be connected to the AXON’s inputs. Single-ended measurements are also possible.

DIP switches are used to select whether the input (on an individual basis) operates in bipolar/differential mode (switch up) or in 4-20 mA mode (switch down). 

The other set of switches is used to connect the (-) terminal of an individual input to ground if balanced/differential mode is not required (single-ended signals). If using 4-20 mA mode, ensure the corresponding (-) TO GND switch is up. 

AXON-8D Connections and Switch Settings

The AXON-8D’s inputs are designed for reading logic levels or wet/dry relay contacts, with programmable active-high or active-low settings.

DIP switches are used to determine whether each input’s return signal is connected to the unit’s common ground, or not (ISOLATED). The other set of switches determines whether each individual input will have a pull-up resistor (10kΩ to internal +3.3V, diode protected against reverse or over-voltage) or not.

AXON-5R Connections

The AXON-5R’s relay outputs can control other devices. From remotely switching off a faulty device to automatically power-cycling network elements, the AXON-5R can take smart decisions to keep your operations humming along. The AXON 5R does not have any configuration switches.

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When a new, non-configured AXON/NEURO is connected to the same network as a Davicom Cortex it will be detected automatically and added as a Modbus expansion unit. Similar to adding a MEXM expansion device to the Davicom Cortex, users may also click the Detect button in the Davicom Cortex menu under Devices > AXON & NEURO. Make sure the IP address of the AXON or NEURO is visible to the Davicom Cortex so that it can detect it.

More details on this mode of operation will be provided soon.

The tables below show the different MODBUS register addresses for the 3 types of AXON units.

The tables below show the MODBUS registers for NEURO units.

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Home page—shows I/O readings and gives access to the configuration menu.

Clicking on the hamburger menu at the upper left will open up the main configuration drop-down menu.

Main Configuration drop-down menu:

General Menu structure:

Button identification and functions 

When in selected configuration windows, the following buttons will generally appear at the bottom of the window.

	Delete
	Refreshes the web page (note that any changes made to the page will be lost if not saved first)
	Apply Changes (Save )
	The “*” symbol on the Save button shows that changes have been made to the page/view and that a Save should be performed
	Return to Home page

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Note:

n=device number

x to xxxx = ID number (between 1 and 1024)

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The   box at the very right of each element allows direct access to configure, and (depending on the type of input) to reset or control the element. You can also right-click on the element with the mouse.

Filtered views are available through the Filter icon.

Each Home Page section is shown below (example shown is for AXON-8A). To see all of the points within each section, check the See all box at the upper left. 

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System Set Up

1- Connect the transmitter end of the BPS to your transmitter.

2- Attach the antenna end of the BPS to either an inline power meter (to verify power output) or directly to the load if the transmitter power is already known.

3- Connect the forward power and reflected power voltage terminals of the BPS to separate metering inputs on your Davicom RTU.

Metering Inputs Configuration Using the Web Interface

Configure the metering inputs for Forward Power and Reflected Power through the RTU’s web interface:

1- Open a web browser and connect to the Davicom RTU’s web interface using its IP address.

2- Navigate to Inputs > Metering Inputs.

3- For each metering input:

• Select the input connected to the Forward Power terminal of the BPS.
• Configure the following parameters:
  • Description: Forward Power
  • Measurement Unit: Watts (or as applicable)
  • Normal Value: Enter the typical forward power value for your setup.
  • Calibration Coefficients: Input the specific coefficients (A, B, C) from the BPS documentation based on the operational frequency:
    • BPS1050 at 170 MHz: A = 8.9053, B = 4.4987, C = 0
    • BPS5095 at 870 MHz: A = 4.5311, B = 3.0904, C = 0
• Repeat this process for the metering input connected to the Reflected Power terminal, adjusting the description accordingly.

BPS Calibration

Accurate calibration ensures the Davicom RTU’s forward power reading matches the actual transmitter output:

1- Use a Reference Meter: Set up an inline power meter between the BPS and the load to act as your reference.

2- Turn On the Transmitter: Power up the transmitter and stabilize its output.

3- Adjust the Calibration Trimmer:

• Locate the forward voltage calibration trimmer on the BPS sensor.
• Using a small insulated screwdriver, gently adjust the trimmer while monitoring the forward power reading on the Davicom RTU.
• Continue adjusting until the forward power reading displayed by the Davicom RTU matches the reference value shown on the inline power meter.

Automatic VSWR Calculation Configuration

Once the metering inputs are calibrated, you can set up automatic VSWR calculation:

1- Navigate to Inputs > Math Functions in the RTU’s web interface.

2- Choose an available math function slot.

3- In the Operator dropdown menu, select the SWR function.

4- In the fields provided for the SWR operator:

• Field A (Reflected Power): Enter the ID for the metering input connected to the reflected power terminal of the BPS.
  For example, if Reflected Power is connected to Metering Input 8, the ID will typically be 1A8.
• Field B (Forward Power): Enter the ID for the metering input connected to the forward power terminal of the BPS.
  For example, if Forward Power is connected to Metering Input 7, the ID will typically be 1A7.

5- Assign a description to the math function, such as “VSWR Calculation.”

6- Save the settings to activate the VSWR calculation.

Displaying VSWR Reading

1- Navigate to the monitoring panel in the web interface.

2- Add the configured math function to a dashboard or display panel for real-time VSWR monitoring.

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The AXON/NEURO’s factory default IP address is 192.168.1.210.

For the next steps, you will need to temporarily set your computer’s IP address within this range or create an Alias in your computer’s Network settings. For example, you can use 192.168.1.211.

Mandatory initial login credential change

The state of California has enacted regulation SB-327 that dictates that all IoT devices that are sold or offered in the state of California must adhere to specific regulations in regards to passwords configured on the device. All passwords are required to either be unique or prompt for a password change before the user has access to it.

Upon first log-in, AXON/NEURO units require that a Supervisor User enter their own password. Default, factory-set passwords are no longer allowed. 

NOTE: This is also the point where you can select whether the AXON/NEURO will be configured as a Standalone unit for Web & SNMP or if it will be used as a MODBUS slave unit.

This mode can be changed later, from the Administration/General menu, without doing a factory reset.

After this initial step, the first Login process can take up to 30 seconds while the system configures its setup and web page views.

Network setup

Once you have set the username and passwords, you will be able to access the setup menu. From the Home Page, click on the hamburger menu at the upper left.

The following drop-down menu will appear.

Select IP Parameters and then the General Tab

 General IP settings 

Set the IP Address, Netmask, Gateway and DNS for your unit.

NOTE: The numbers entered in the fields below are only used as examples. Do not enter the numbers as you see them below, you must set the information according to your own device and network setup. 

It is very important to set a gateway, otherwise, the unit may not communicate successfully with the outside network. 

Save the IP settings. 

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