Contents

Revision and Copyright Information
Limited Warranty
Assistance
Safety
Table of Contents
1. Introduction
2. Precautions
3. Initial Inspection
- 3.1 Ships With List
4. QuickStart
- 4.1 Step 1 Configure the TX320
  - 4.1.1 Accessing DevConfig
  - 4.1.2 Setting Editor | Configuration
  - 4.1.3 Setting Editor | GPS
- 4.2 Step 2 Program the Datalogger
- 4.3 Step 3 Install the Data Collection Platform (DCP)
5. Overview
- 5.1 GOES System
  - 5.1.1 Orbit
  - 5.1.2 NESDIS and Transmit(Windows
  - 5.1.3 Data Retrieval
6. Specifications
7. Installation
- 7.1 Field Site Requirements
- 7.2 TX320 Functions
  - 7.2.1 LED Function
  - 7.2.2 Communication Ports
    - 7.2.2.1 CS I/O Port
    - 7.2.2.2 RS-232 Port
    - 7.2.2.3 USB Port
  - 7.2.3 RF Connectors
    - 7.2.3.1 RF Transmission Connector
    - 7.2.3.2 GPS Connector
  - 7.2.4 Power Connector
- 7.3 Transmission Antenna
- 7.4 GPS Antenna
  - 7.4.1 How the GPS Signal is Acquired and Used
  - 7.4.2 GPS Antenna Location
- 7.5 CRBasic Programming
  - 7.5.1 GoesData()
    - 7.5.1.1 Result Code
    - 7.5.1.2 Data Table
    - 7.5.1.3 Table Option
    - 7.5.1.4 Buffer Control
    - 7.5.1.5 Data Format
    - 7.5.1.6 GOESData() Example
  - 7.5.2 GoesStatus()
    - 7.5.2.1 GoesStatus Read Time
    - 7.5.2.2 GoesStatus Read Status
    - 7.5.2.3 GoesStatus Read Last Message Status
    - 7.5.2.4 GoesStatus Read Error Register
  - 7.5.3 GoesGPS
  - 7.5.4 GoesSetup
    - 7.5.4.1 Result Code
    - 7.5.4.2 Platform ID
    - 7.5.4.3 Window
    - 7.5.4.4 Timed Channel
    - 7.5.4.5 Timed Baud Rate
    - 7.5.4.6 Random Channel
    - 7.5.4.7 Random Baud Rate
    - 7.5.4.8 Timed Interval
    - 7.5.4.9 Timed Offset
    - 7.5.4.10 Random Offset
    - 7.5.4.11 GOESSetup() Example
- 7.6 Edlog Programming
  - 7.6.1 Deciding How Much Data will be Transmitted and When
  - 7.6.2 Deciding What Data Format to Use
  - 7.6.3 Managing Data, Writing More Data than Will Be Transmitted
  - 7.6.4 Sending Data to the Transmitter (P126)
    - 7.6.4.1 Buffer Control
    - 7.6.4.2 Data Format
    - 7.6.4.3 P126 Result Codes
  - 7.6.5 Read Status and Diagnostic Information from the TX320
    - 7.6.5.1 P127, Command 0: Read Time
    - 7.6.5.2 P127, Command 1: Read Status
    - 7.6.5.3 P127, Command 2: Read Last Message Status
    - 7.6.5.4 P127, Command 3: Transmit Random Message
    - 7.6.5.5 P127, Command 4: Read TX320 Error Registers
    - 7.6.5.6 P127, Command 5: Clear TX320 Error Registers
    - 7.6.5.7 P127, Command 6: Return TX320 to Online Mode
  - 7.6.6 Edlog Programming Examples
8. Troubleshooting/Diagnostics
- 8.1 Diagnostics Button
- 8.2 Result Codes
- 8.3 Error Codes
- 8.4 Using Device Configuration Utility for Troubleshooting/ Testing
  - 8.4.1 Setting Editor | GPS
  - 8.4.2 Setting Editor | Status
  - 8.4.3 Terminal
Appendix A. Information on Eligibility and Getting Onto the GOES System
- A.1 Eligibility
- A.2 Acquiring Permission
Appendix B. Data Conversion Computer Program (written in BASIC)
Appendix C. Antenna Orientation Computer Program (written in BASIC)
Appendix D. GOES DCS Transmit Frequencies
Appendix E. High Resolution 18-Bit Binary Format
Appendix F. Extended ASCII Command Set
- F.1 Command Interface
  - F.1.1 Port Interfaces
    - F.1.1.1 RS-232 Details
    - F.1.1.2 Command Protocol
    - F.1.1.3 Command Access Level
- F.2 General Configuration Commands
  - F.2.1 Clock Read/Set
  - F.2.2 Replacement Character Read/Set
  - F.2.3 Save Configuration
  - F.2.4 Restore Configuration
  - F.2.5 Restore Default Configuration
  - F.2.6 Enable Transmissions
  - F.2.7 Disable Transmissions
  - F.2.8 Read Configuration
  - F.2.9 Enable Technician Command Mode
  - F.2.10 Enable User Command Mode
  - F.2.11 Set GPS Fix Interval
- F.3 GOES Transmission Configuration Commands
  - F.3.1 Set GOES DCP Platform ID
  - F.3.2 Set Self-Timed Transmission Channel Number
  - F.3.3 Set Self-Timed Transmission Bit Rate
  - F.3.4 Set Self-Timed Transmission Interval
  - F.3.5 Set Self-Timed transmission First Transmission Time
  - F.3.6 Set Self-Timed Transmission Transmit Window Length
  - F.3.7 Enable or Disable Self-Timed Transmission Message Centering
  - F.3.8 Enable or Disable Self-Timed Buffer Empty Message
  - F.3.9 Set Self-timed Transmission Preamble Length
  - F.3.10 Set Self-Timed Transmission Interleaver Mode
  - F.3.11 Set Self-Timed Transmission Data Format
  - F.3.12 Set Random Transmission Channel Number
  - F.3.13 Set Random Transmission Bit Rate
  - F.3.14 Set Random Transmission Interval
  - F.3.15 Set Random Transmission Randomizing Percentage
  - F.3.16 Set Random Transmission Repeat Count
  - F.3.17 Enable or Disable Random Transmission Message Counter
- F.4 Data Buffer Loading Commands
  - F.4.1 Load Self-Timed Transmission Buffer
  - F.4.2 Read Number of Bytes in the Self-Timed Transmission Buffer
  - F.4.3 Read the Maximum Self-Timed Message Length
  - F.4.4 Clear Self-Timed Transmission Buffer
  - F.4.5 Load Random Transmission Buffer
  - F.4.6 Read Length of the Message in the Random Transmission Buffer
  - F.4.7 Read the Maximum Random Message Length
  - F.4.8 Clear Random Transmission Buffer
- F.5 Status and Other Commands
  - F.5.1 Read Version Information
  - F.5.2 Read Transmission Status
  - F.5.3 Read Last Transmission Status
  - F.5.4 Read GPS Status
  - F.5.5 Read GPS Position
  - F.5.6 Read Audit Log
  - F.5.7 Read Forward Power
  - F.5.8 Read Reflected Power
  - F.5.9 Read Power Supply
  - F.5.10 Read TCXO Temperature
  - F.5.11 Read Measured Frequency
Appendix G. Meteosat Transmit Frequencies
Campbell Scientific Companies

Campbell Scientific TX320 Instruction Manual

Campbell Scientific TX320 Transmitter manual cover

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Campbell Scientific TX320 Transmitter Specification

The Campbell Scientific TX320 Transmitter is a high-performance, VHF/UHF data transmission device designed for reliable long-distance communication in remote data collection applications. This robust transmitter operates within a frequency range of 135 to 175 MHz or 410 to 470 MHz, making it versatile for various telemetry needs. The TX320 is engineered to support data rates of up to 19,200 bps, ensuring efficient and fast data transfer. It features a compact and rugged design suitable for harsh environmental conditions, with an operational temperature range from -40°C to 60°C, ensuring dependable performance in extreme settings.

The transmitter is powered by a low voltage supply, typically 12 VDC, optimizing it for remote applications where power conservation is crucial. Its power consumption is approximately 1.3 W during transmission, making it energy efficient. The TX320 supports multiple communication protocols, including PakBus, DNP3, and Modbus, providing flexibility in integration with various data loggers and SCADA systems. It includes built-in diagnostics for monitoring signal strength and transmission quality, aiding in the maintenance and optimization of communication networks.

The device is equipped with an RS-232 or RS-485 interface for easy configuration and connectivity to external equipment. Its weather-resistant enclosure ensures protection against environmental hazards, while its lightweight design facilitates easy installation and deployment in field locations. The TX320's configurable settings allow for tailored operation, accommodating specific project requirements and ensuring seamless data transmission. Overall, the Campbell Scientific TX320 Transmitter is an ideal solution for remote data collection, offering durable construction, efficient power use, and reliable communication capabilities.

Campbell Scientific TX320 Transmitter F.A.Q.

How do I set up the TX320 transmitter for the first time?

To set up the TX320 for the first time, you need to connect it to a power source, configure the communication settings using the Device Configuration Utility, and ensure the antenna is properly attached for signal transmission.

What should I do if the TX320 is not transmitting data?

If the TX320 is not transmitting data, check the power supply, verify the antenna connection, and ensure that the configured frequency matches the receiver's frequency. Also, inspect the signal strength and quality.

How can I improve the signal strength of the TX320 transmitter?

To improve signal strength, ensure the antenna is mounted high and clear of obstructions, use a high-gain antenna if possible, and verify that all cable connections are secure.

What is the recommended maintenance schedule for the TX320?

It is recommended to inspect the TX320 every 6 months, checking the antenna, cables, and connections for wear or damage, and cleaning any accumulated debris from the unit.

How do I update the firmware on the TX320 transmitter?

To update the firmware, connect the TX320 to a computer via USB, open the Device Configuration Utility, and follow the instructions to download and install the latest firmware from the Campbell Scientific website.

How can I test the functionality of the TX320 transmitter?

To test the functionality, perform a loopback test by transmitting data and verifying its receipt on a compatible receiver. Ensure all settings match and observe the LED indicators for proper status.

What steps should I take if the TX320 experiences frequent disconnections?

Check for sources of interference, ensure the antenna is properly oriented, verify frequency settings, and consider relocating the unit to a higher position to improve line-of-sight communication.

Can the TX320 operate in extreme weather conditions?

Yes, the TX320 is designed to operate in a wide range of weather conditions. However, ensure that the unit is properly enclosed and that all seals are intact to prevent moisture ingress.

How do I reset the TX320 to factory settings?

To reset the TX320, press and hold the reset button on the device for approximately 10 seconds until the LED indicators flash, indicating a successful reset.

What precautions should be taken when installing the TX320 transmitter?

Ensure that the installation site is free from interference sources, mount the antenna securely, and use surge protection to safeguard against electrical surges and lightning strikes.