Overview
eGauge meters feature a variety of communications options. These can be used to read data from third party devices into the meter, or make data available for third party devices to read from the meter. These communication options are briefly summarized below. Click on the links in the table for additional information.
- The following tables apply to EG4xxx meters only. EG30xx and older meters cannot use any option requiring a serial to USB adapter.
Data export (read data from the meter)
| Method | Notes |
| Modbus TCP | Function Code 4 |
| Modbus RTU | Function Code 4, serial to USB adapter required, EG4xxx only |
| BACnet IP | |
| BACnet MS/TP | serial to USB adapter required, EG4xxx only |
| XML API | Deprecated, will continue functioning but only has data-read access |
| JSON API | Replaces the XML API, supports configuration, data-read access and more |
| Remote eGauge | Both installed on the same LAN, connected via Ethernet for best results |
| USB Export | Can be scripted to run automatically, EG4xxx only |
Data import (read data into the meter)
| Method | Notes |
| Modbus TCP | Function code 1, 2, 3, and 4 |
| Modbus RTU | Function code 1, 2, 3, and 4, serial to USB adapter required |
| Remote eGauge | Both installed on the same LAN, connected via Ethernet for best results |