Reference Manual
Table Of Contents
- Preface
- 1. Introduction
- 2. Basic Radio Programming and Setup
- 2.1. Setting the Radio's Role in the Network and the Network Type
- 2.2. Establishing Communication with Instrumentation and Computers
- 2.3. Establishing Communication with Other Radios in the Network
- 2.4. Designate the RF Transmission Characteristics
- 2.4.1. 900MHz Channel Select Parameters
- 2.4.2. 900MHz Frequency Key (Golden Setting)
- 2.4.3. 900MHz Frequency Zones
- 2.4.4. High Noise
- 2.4.5. 900MHz Hop Frequency Offset
- 2.4.6. 900MHz Hop Table Size
- 2.4.7. 900MHz Hop Table Version
- 2.4.8. Max Packet Size and Min Packet Size (Golden Setting)
- 2.4.9. MCU Speed
- 2.4.10. Remote LED
- 2.4.11. Retry Time Out
- 2.4.12. RF Data Rate (Golden Setting)
- 2.4.13. RTS to CTS
- 2.4.14. Slave Security
- 2.4.15. Transmit Power
- 2.4.16. Transmit Rate
- 3. Configuring Point-to-MultiPoint Networks
- 3.1. Point to MultiPoint Network Characteristics
- 3.2. Point-to-MultiPoint Network Quick Start
- 3.3. Point-to-MultiPoint Operation LEDs
- 3.4. Overlapping MultiPoint Networks
- 3.5. Establishing Communication with Other Radios in a MultiPoint Network
- 3.6. Routing Communications through the Network
- 3.7. Setting Other MultiPoint Parameters
- 3.7.1. 1 PPS Enable Delay
- 3.7.2. Diagnostics
- 3.7.3. DTR Connect
- 3.7.4. Local Mode
- 3.7.5. Master Packet Repeat
- 3.7.6. Master Packet Repeat in MultiPoint Networks with Repeaters
- 3.7.7. Max Slave Retry
- 3.7.8. Radio ID
- 3.7.9. Radio Name
- 3.7.10. Repeaters
- 3.7.11. Repeater Frequency
- 3.7.12. Retry Odds
- 3.7.13. Slave / Repeater
- 3.8. Conserving Power
- 3.9. Reading Diagnostics in Tool Suite
- 4. Configuring Point-to-Point Networks
- 5. Advanced Programming
- 6. Viewing Radio Statistics
- 7. Approved Antennas
- 8. FGR3 Wireless Data Radios Pinouts
- 9. Troubleshooting
- 10. FGR3 Release Notes
- Appendix A: FGR3 Technical Specifications
- Appendix B: FGR3 Board Level Mechanical Drawing
- Appendix C: 900MHz Factory Default Settings
- Appendix D: 900MHz Channel Frequency IDs
- Appendix E: FreeWave Legal Information
3. Configuring Point-to-MultiPoint Networks
FGR3
User-Reference Manual
LUM0110AA Rev Jan-2019 Page 77 of 143 Copyright © 2019FreeWave
This document is subject to change without notice. This document is the property of FreeWave Technologies, Inc.
and contains proprietary information owned by FreeWave. This document cannot be reproduced in whole or in
part by any means without written permission from FreeWave Technologies, Inc.
Calibrate a Slave Radio in 1PPS Enable/Delay Mode
1. On the Master radio, trigger an oscilloscope on the 1 PPS pulse on the DTR line.
2. Monitor the CD line of the Slave radio.
3. If the timing on the Slave radio differs from the Master it may be adjusted via the value in the
Slave radio's 1 PPS Enable/Delay parameter.
The difference in time between each incremental integer value is 542.534 nanoseconds (ns).
Changing the parameter to higher values decreases the Slave radio time delay and changing the
parameter to lower values increases the time delay.
When properly calibrated, the CD line Slave radio outputs a pulse that goes high for about 2 ms in
sync with the 1 PPS pulse on the Master radio. The output on the Slave radio occurs within 20
microseconds of the input to the Master.
3.7.2. Diagnostics
Diagnostics
Setting Description
Default Setting 0 (Disabled)
Options Any number between 0 and 128
Terminal Menu (5) Edit MultiPoint Parameters > (B) Diagnostics
Description: Allows diagnostics data in the Network Diagnostics in Tool Suite to be viewed
at the Master radio in parallel with application data.
l The setting in this parameter determines how many slots out of 128 are
dedicated to diagnostics.
l Diagnostics is always secondary to actual transmitted data.
Example: If set to 10, 1 out of every 10 data slots is for diagnostics data.
If set to 100, 1 out of every 100 data slots is for diagnostics data.
Note: For more information, see Reading Diagnostics in Tool Suite on
page 86.
3.7.3. DTR Connect
DTR Connect
Setting Description
Default Setting (0) Off