BEM104 LAN/Internet 2 Channel Relay board 5-24V supply

  • Model: BEM104
  • Shipping Weight: 39g
  • 7871 Units in Stock
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Related Download

Click here to download manual and control software


Controller Software Customization

Click here to find more details of software customization


Virtual LAN Service

Virtual LAN provides a secured and encrypted virtual local area network for all your devices with Internet access.

With Virtual LAN you can easily access any device/PC without public IP in Internet just the same way as they are connected to your local router.

Your PC/devices can be located at different country/city, and different subnets. You can still access each other with a local area network IP

Virtual LAN will let you easily share folders, build web server or create all other service in Virtual LAN without considering the complexity of Internet


Click here to get Virtual LAN Service




2 CH relay output
LAN Control

Hardware Reset Button

Password Protection

DHCP Function


Easy Bus

Http Web Control

Internet Control

Encrypted Communication over Internet

Firmware update over Internet

RealTime Online Support Service Chat



Control devices such as pumps, valves, motors, coils, etc. over the web or a local/remote network

Turn lights on/off

Control electronic door locks and garage door openers

Home automation

Security application

Remotely reboot computers, servers, etc



Output Electric Specifications

Relays have Normally Open (NO) and
Normally Closed (NC) Contacts each capable of switching max:
- 12VDC/10A
- 24VDC/10A
- 125VAC/10A
- 250VAC/10A


Supply Electric Specifications

DC 5 - 24V  / 200mA power supply (wide range input)


Operating Temperature

Industrial ( -30°C to +80°C)



75 mm / 50 mm / 20 mm



IP address:
Subnet Mask:
Default Gateway:



Communication Bus: Ethernet

Control Protocol 1: Easy Bus

Control Protocol 2: Http

Control Protocol 3: Modbus/TCP




What is Easy Bus?

Easy Bus is an innovative control bus, which not working with

address and registers, but rather work with human natural language.

For example, to switch on/off channel 1, you may directly send

ASCII words "k01 = 1" or "k01 = 0" to BE-M104. This is extremely easy to use.



What is X-Connect?

X-Connect is a P2P connection function from modules to modules.

With X-Connect you can map any input channel in a network to any output channel.

For example, you can map BEM107 input channel 1 to BEM104 output channel 2, you can also map one BEM107 input channel to 2 BEM104 channels.

If you click a button connected BEM107 input channel, you can trigger up to 8 outputs at different modules and different channels.



Package Included:

Item 1: LabVIEW EASYBUS-TCP, Source Code

item 2: User Operation Manual

item 3: Windows platform control center




Customized Design & Technical Support


If you have technical questions or customized design requirement,

please contact us to get support from our engineers team.

You may send your information to Email:







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