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Green circuit board with relay blocks and dual Ethernet ports

WaveShare

WaveShare 16-Ch Ethernet Module 2 in 1 accessory

SKU CH-57CN-ZXZPM

A 16-channel relay module with dual Ethernet ports, PoE support, Modbus RTU/TCP and MQTT protocols, 7-36V DC input and optocoupler isolation

  • Dual Ethernet ports with PoE simplify installation and allow cascade networking
  • Modbus RTU/TCP and MQTT support enable flexible industrial and IoT integration
  • 16 relay channels provide extensive switching capacity for automation tasks
  • Wide 7–36 V DC input suits varied industrial power supplies
  • Optocoupler isolation protects relays from high‑voltage interference and surges

Industrial Relay Control Module

This 16-channel relay module provides Ethernet-based switching for industrial automation systems. It integrates dual Ethernet ports with Power over Ethernet support to reduce cabling in cabinet installations. Modbus RTU, Modbus TCP and MQTT protocols enable direct connection to SCADA, PLC or cloud platforms such as Alibaba Cloud. A wide 7-36 V DC input range suits common industrial power rails.

Automation Engineers and IoT Integrators

The module suits engineers building remote I/O nodes, energy-monitoring gateways or retrofit control panels that require isolated relay outputs. It is not intended for high-voltage switching beyond the relay ratings or for applications needing analogue input acquisition. Users without Ethernet infrastructure or Modbus/MQTT software stacks should evaluate alternative I/O solutions.

Sixteen Relay Channels with Dual Ethernet

The decisive specification is the 16 independently controlled relay channels combined with dual Ethernet ports for daisy-chain topology. This channel count and network interface determine whether the module matches the I/O density and cabling plan of the target installation.

Highlights

  • Dual Ethernet ports with PoE simplify installation and allow cascade networking
  • Modbus RTU/TCP and MQTT support enable flexible industrial and IoT integration
  • 16 relay channels provide extensive switching capacity for automation tasks
  • Wide 7–36 V DC input suits varied industrial power supplies
  • Optocoupler isolation protects relays from high‑voltage interference and surges

Specifications

No published specifications for this item yet.

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