Contents

Revision and Copyright Information
Limited Warranty
Assistance
Safety
Table of Contents
1. Introduction
2. Specifications
3. QuickStart
- Step 1 LoggerNet Setup
- Step 2 Hardware Setup
- Step 3 Send BASIC_VOICE_2.CR1 to CR1000
- Step 4 Callin
- Step 5 Callback
- 3.1 CR1000 Example Program
- 3.2 Example Program Description
  - 3.2.1 VoiceSetup()
  - 3.2.2 Voice Beg / EndVoice
  - 3.2.3 CallInVoice Subroutine
  - 3.2.4 CallOutVoice Subroutine
  - 3.2.5 SlowSequence
4. System Components
- 4.1 COM320 Modem
- 4.2 Surge Suppressor
- 4.3 Voice Capable Dataloggers
- 4.4 Telephone
5. Datalogger Voice Programming
- 5.1 Features
  - 5.1.1 Callback
    - 5.1.1.1 Data Callback
    - 5.1.1.2 Voice Callback
  - 5.1.2 Voice Callin
  - 5.1.3 Voice Storage Data
- 5.2 Voice Instructions
  - 5.2.1 VoiceBeg / EndVoice
  - 5.2.2 VoiceSpeak
  - 5.2.3 VoiceKey
  - 5.2.4 VoiceNumber
  - 5.2.5 DialVoice
  - 5.2.6 VoiceHangup
  - 5.2.7 VoiceSetup
  - 5.2.8 VoicePhrases
- 5.3 Data Callback
  - 5.3.1 Example Data Callback Program
  - 5.3.2 Data Callback Instructions
- 5.4 Answer in Data Mode
- 5.5 LoggerNet
6. Hardware Installation
- 6.1 Site Requirements
- 6.2 Powering the COM320 Modem
- 6.3 Grounding the COM320 System
- 6.4 Telephone Service
- 6.5 Connecting to a Surge Protector
7. Troubleshooting COM320 Voice Systems
- 7.1 No Communications
- 7.2 Communications Problems
Appendix A. IC Information
- CP-01, Issue 8, Part I Section 14.1
- CP-01, Issue 8, Part I Section 14.2
Appendix B. Updating and Configuring the COM320
- B.1 Removing the Cover to Access the USB Port
- B.2 COM320 USB Communications Cable
- B.3 COM320 Driver Installation
- B.4 Downloading a New Operating System to the COM320
- B.5 Changing COM320 Settings
- B.6 Retrieving a Vocabulary List
Appendix C. CS I/O 9 Pin Serial Port
- Pin Description
Appendix D. COM320 Word List
- D.1 COM320 Word List - Alphabetical Order
Campbell Scientific Companies

Campbell Scientific COM320 Instruction Manual

Campbell Scientific COM320 Modem manual cover

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Campbell Scientific COM320 Modem Specification

The Campbell Scientific COM320 Modem is a robust, low-power communication device designed to facilitate reliable data transfer between dataloggers and remote servers or networks. It supports a wide range of applications, including environmental monitoring and industrial automation. The COM320 is equipped with advanced features to ensure seamless integration with Campbell Scientific's range of dataloggers. It operates on GSM/GPRS networks, offering cellular connectivity for remote data access and management. The modem features an RS-232 serial interface for easy connection to dataloggers and is compatible with multiple communication protocols, ensuring flexibility in deployment. Designed for low power consumption, the COM320 is ideal for use in remote locations where power efficiency is crucial. It includes an internal watchdog timer that automatically resets the modem in case of communication failures, enhancing reliability. The device also supports remote configuration and diagnostics, allowing users to manage and troubleshoot the modem from a distance. Housed in a sturdy, weather-resistant casing, the COM320 modem can withstand harsh environmental conditions, making it suitable for outdoor use. Its compact design ensures it can be easily integrated into various setups. The modem's firmware can be updated remotely, ensuring it remains up-to-date with the latest features and security enhancements. With these capabilities, the COM320 modem is a versatile solution for ensuring continuous, reliable communication in a wide range of monitoring and data logging applications.

Campbell Scientific COM320 Modem F.A.Q.

How do I configure the COM320 modem for a specific network provider?

To configure the COM320 modem for a specific network provider, you need to set the appropriate APN and authentication details. Connect to the modem via a terminal program, enter the configuration mode, and input the correct APN, username, and password provided by your network provider.

What should I do if the COM320 modem is not connecting to the data logger?

First, ensure that all physical connections are secure. Check the configuration settings on both the modem and the data logger to ensure they match. Verify that the firmware on both devices is up to date. If the issue persists, perform a power cycle on both devices.

How can I upgrade the firmware on my COM320 modem?

To upgrade the firmware on the COM320 modem, download the latest firmware from Campbell Scientific's website. Connect the modem to your computer via USB, run the firmware update utility provided by Campbell Scientific, and follow the on-screen instructions to complete the upgrade process.

What are the steps for troubleshooting connectivity issues with the COM320 modem?

Begin by checking the signal strength and ensuring the antenna is properly connected. Verify that the SIM card is active and correctly inserted. Check the modem's LED indicators for error codes. Use a terminal program to access modem logs for detailed error messages and consult the user manual for troubleshooting steps.

How do I reset the COM320 modem to factory settings?

To reset the COM320 modem to factory settings, press and hold the reset button for 10 seconds. The modem's LEDs will flash to indicate that the reset process has begun. Release the button and wait for the modem to reboot with default settings.

Can the COM320 modem be used with multiple data loggers simultaneously?

The COM320 modem is designed to connect to one data logger at a time. For applications requiring multiple data logger connections, consider using a router or switch along with compatible modems for each data logger.

What maintenance is required for the COM320 modem to ensure optimal performance?

Regularly inspect the modem and its connections for any signs of wear or damage. Keep the firmware updated to the latest version. Ensure the antenna is clean and free from obstructions. Periodically check signal strength and adjust the antenna position if necessary.

How do I monitor data usage on the COM320 modem?

You can monitor data usage by accessing the modem's web interface or using a terminal program to check data statistics. Some network providers also offer tools and apps to track data usage directly from the SIM card.

What are the LED indicators on the COM320 modem and what do they signify?

The COM320 modem has several LED indicators that provide status information: Power (indicating power status), Signal (showing signal strength), Network (indicating network connection status), and Data (flashes during data transmission). Refer to the user manual for detailed LED behavior explanations.

How can I improve the signal strength of the COM320 modem?

To improve signal strength, position the modem's antenna higher or closer to a window. Use a high-gain external antenna if necessary. Ensure there are no large obstacles blocking the signal path. Periodically check and adjust the antenna alignment for optimal performance.