TRB246 IoT Gateway
Compact 4G gateway with RS232, RS485 and configurable I/O, to bring field devices and their data online.
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Overview
The TRB246 connects field devices to the mobile network: it has RS232 and RS485 on one industrial terminal block, together with three configurable digital inputs/outputs and an analog input (0–30 V). One Ethernet port connects a local device such as a controller.
It is built for collecting data. It speaks Modbus TCP and RTU, DNP3 and BACnet, can act as a Modbus–MQTT gateway and sends values from several sources to a server ("Data to Server"). GNSS (GPS, Galileo and others) adds the location.
The mobile connection is 4G LTE Cat 4 with two SIM cards in a stacked tray and automatic switching. In an aluminium housing of 83 × 25 × 74.2 mm, it takes 9–30 V DC, draws under 3.5 W and works from −40 °C to 75 °C. A kit mounts it on a DIN rail.
Typical uses
- Reading meters, sensors and controllers over RS485 or RS232
- Sending Modbus data to a cloud platform through MQTT
- Remote monitoring of pumps, tanks and substations
- Tracking the location of mobile equipment
Key specifications
- Mobile
- 4G LTE Cat 4 (up to 150/50 Mbit/s), 3G, 2G
- SIM
- 2 × Mini SIM (2FF), stacked tray, automatic switching
- Ethernet
- 1 × RJ45, 10/100 Mbit/s
- Serial
- RS232 (TX, RX, RTS, CTS), RS485 (2- or 4-wire), on the terminal block
- Inputs/outputs
- 3 configurable digital inputs/outputs, 1 analog input (0–30 V)
- Protocols
- Modbus TCP/RTU, MQTT, DNP3, BACnet
- Other
- GNSS
- Power
- 9–30 V DC (terminal block), under 3.5 W
- Housing
- Aluminium, 83 × 25 × 74.2 mm, 165 g, IP30
- Operating temperature
- −40 °C to 75 °C
An excerpt. The full specifications are on Teltonika’s product page. Product page at Teltonika →
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