Contents

Revision and Copyright Information
Limited Warranty
Assistance
Precautions
Table of Contents
1. General Description
2. Cautionary Statements
3. Specifications
4. Configuration
- 4.1 Theory of Radio Operation
- 4.2 PakBus Graph
- 4.3 Location of the Transceivers
- 4.4 Using the Device Configuration Utility
- 4.5 Quick Start
- 4.6 Deployment Settings
  - 4.6.1 Active Interface
  - 4.6.2 SDC Address
  - 4.6.3 Baud Rate
  - 4.6.4 RF450 Operation Mode Setting
    - 4.6.4.1 Operation Mode Description
  - 4.6.5 Network ID
  - 4.6.6 Frequency Key Setting
  - 4.6.7 Repeater Frequency Key Setting
  - 4.6.8 Transmit Power Setting
  - 4.6.9 Low Power Mode Setting
  - 4.6.10 Transmit Subnet ID Setting
  - 4.6.11 Radio ID Setting
- 4.7 Master Radio
- 4.8 Slave
- 4.9 Repeater
- 4.10 Power Considerations
5. Antennas
- 5.1 Antennas for the RF450 Series
- 5.2 Antenna Cables and Surge Protection
  - 5.2.1 Antenna Cables
  - 5.2.2 Electrostatic Issues
  - 5.2.3 Antenna Surge Protector Kit
6. LoggerNet Software Setup
7. RF450s with RF401 or CR206(X) in the Same Network
8. Troubleshooting
Appendix A. Installation Scenarios
- A.1 Example 1: PC-to-RF Network
- A.2 Example 2: PC-to-RF Network with Repeater
- A.3 Example 3: PC-to-RF Network with Parallel Repeaters (using the SubNet ID)
- A.4 Example 4: Phone-to-RF Base
- A.5 Example 5: Call-back
Appendix B. Settings Editor
Campbell Scientific Companies

Campbell Scientific RF450 Instruction Manual

Campbell Scientific RF450 Radio manual cover

Pages 46

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Campbell Scientific RF450 Radio Specification

The Campbell Scientific RF450 is an advanced radio transceiver designed to facilitate reliable wireless communication between data loggers and various remote instrumentation. Operating within the frequency range of 902 to 928 MHz, it supports long-range data transmission in the ISM band, making it suitable for diverse environmental monitoring applications. The RF450 offers a robust communication link with a line-of-sight range extending up to 60 kilometers when paired with a high-gain antenna.

This radio transceiver employs frequency-hopping spread spectrum technology, enhancing its resistance to interference and ensuring secure data transfer across multiple channels. The RF450 is capable of data rates up to 115.2 kbps, allowing for efficient and rapid data exchange even in bandwidth-constrained environments. It is equipped with multiple user-selectable settings that optimize performance for specific application needs, including adjustable output power ranging from 5 mW to 1 W.

Designed for seamless integration with Campbell Scientific's data loggers, the RF450 supports transparent and PakBus communication protocols. This compatibility ensures straightforward configuration and operation within existing monitoring networks. The radio is housed in a rugged, weather-resistant enclosure, providing durability and reliable performance in harsh outdoor conditions.

Power supply flexibility is a key feature of the RF450, accommodating voltages from 9.6 to 16 VDC, which can be sourced from batteries or solar panels, facilitating remote deployments. The unit also includes LED indicators for monitoring power and communication status, aiding in easy diagnostics and maintenance. The RF450's combination of long-range capability, robust communication features, and environmental resilience makes it an ideal choice for wireless data acquisition in demanding field applications.

Campbell Scientific RF450 Radio F.A.Q.

How do I configure the RF450 radio for basic operation?

To configure the RF450 radio, use the Device Configuration Utility provided by Campbell Scientific. Connect the radio via a USB cable, launch the utility, and set the desired frequency, network ID, and other relevant parameters.

What should I do if the RF450 radio is not communicating with the datalogger?

Check the antenna connections, ensure both devices are set to the same frequency and network ID, and verify that there are no physical obstructions. Additionally, inspect the power supply to both the radio and the datalogger.

How can I extend the range of my RF450 radio network?

To extend the range, consider using higher-gain antennas, repeaters, or strategically placing the radios to avoid obstacles. Additionally, ensure the radios are elevated to minimize interference.

What maintenance is required for the RF450 radio?

Regularly inspect the RF450 for physical damage, clean the antenna connections, ensure firmware is up to date, and check that the power supply is stable.

How do I update the firmware on an RF450 radio?

Use the Device Configuration Utility to check for and install firmware updates. Connect the RF450 to your computer via USB, launch the utility, and follow the on-screen prompts to update the firmware.

What is the typical range of the RF450 radio in open environments?

In open environments, the RF450 radio can typically achieve a range of up to 40 km (25 miles) with line-of-sight and high-gain antennas.

Can the RF450 radio operate in harsh weather conditions?

Yes, the RF450 is designed to operate in a wide range of environmental conditions. It is weather-resistant but should be checked periodically for exposure damage.

How can I troubleshoot interference issues with the RF450 radio?

Identify potential sources of interference such as other RF devices. Adjust the frequency settings, use directional antennas, and ensure the radios are correctly spaced to minimize interference.

What are the power requirements for the RF450 radio?

The RF450 requires a 12 VDC power supply. Ensure the power source is stable and capable of providing sufficient current for operation.

How do I secure the RF450 radio network against unauthorized access?

Set a unique network ID and frequency for your RF450 radios. Consider using encryption features if available and regularly update firmware to protect against vulnerabilities.