4-Channel Ethernet Relay Card Module

VM204 is an Ethernet controlled board with 4 relay outputs, 4 digital inputs and 1 analogue input. It can send e-mail notifications when the status of an input changes and features an embedded webserver. Free apps are available for Android® and iOS®.

Each relay output is rated to switch up to 30V AC or DC, 5 Amps.On-board push buttons can be used to test/operate all the relays. Header for external push button connection.

New! The Ethernet relay card is now compatible with MyURemote, the universal remote control app. Find out more here!

• power supply: 5 Vdc power supply needed (min. 500 mA) via USB B connector
• outputs: 4 x NO (Normally Open) relay outputs (30 Vac/dc, 5 A rated)
• space for optional VDR transient suppression for use with inductive loads (Order Code VDR300)
• Ethernet: 100 Mbit
• inputs:
  • 4 digital inputs (open collector compatible)
  • 1 analog input (6 V max.)
• ports:
  • UART port avaiable
  • SPI port available
• Dimensions: ~ 100 x 85 x 20 mm (excluding 4mm overhang of USB and Ethernet ports)
• Serial and Ethernet cables are included
• Product format: PRE-ASSEMBLED Electronic Module Product Format Info

• VM204 Info Sheet Product information about the Ethernet relay board
• VM204 User Manual Manual explaining the module's possibilities and how to use the module

• VM204 Software Download Includes the discovery software and firmware upgrade tool
• VM204 Firmware V1.2.1  Download