Eltako Modbus energiemeter MQTT gateway ZGW16WL-IP (22016001)

Connect up to 16 Modbus energy meters to your MQTT network with the Eltako ZGW16WL-IP. This gateway bridges RS485 Modbus devices to Wi-Fi or Ethernet, enabling seamless integration into IoT and building automation systems.

Overview

The ZGW16WL-IP is a compact DIN-rail mounted gateway that reads data from up to 16 Modbus energy meters and publishes it via MQTT. It supports both Wi-Fi (802.11b/g/n) and Ethernet (10/100 Mbps) for flexible network connectivity. Configuration is done through a web interface, and firmware updates can be applied remotely.

What stands out

• Supports up to 16 Modbus energy meters
• Dual connectivity: Wi-Fi and Ethernet
• MQTT protocol for easy IoT integration
• DIN rail mounting (2 TE)
• Web-based configuration and firmware updates

Technical details

• Modbus interface: RS485
• Modbus baud rate: configurable up to 115200 bps
• Modbus parity: None, Even, Odd
• Modbus stop bits: 1 or 2
• Wi-Fi standard: IEEE 802.11b/g/n
• Ethernet: 10/100Base-T
• Power supply: 12V DC
• Power consumption: < 1W
• Operating temperature: -20°C to +50°C
• LED indicators: Status, Wi-Fi, LAN, Modbus
• Housing material: plastic

Our verdict

A reliable and flexible gateway for integrating Modbus energy meters into modern MQTT-based monitoring systems.