Advantech ADAM-4168 Robust 8-ch Relay Output Module with Modbus

Advantech ADAM-4168 Robust 8-ch Relay Output Module with Modbus


  • 8 Form A output channels
  • Wide operating temperature
  • 1 kV surge protection on power inputs, 3 kV EFT, and 8 kV ESD Protection
  • Wide power input +10 ~ +48 VDC
  • DO channels support pulse output function


The ADAM-4168 is an 8 channel relay output module with an RS-485 interface. The module can be used in ATEX Zone 2 and Class 1/Division 2 applications and has a wide operating temperature of between -40~85°C (40~185 °F) plus a wide power input of between 10~48 VDC.


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  • Power Requirement: 10~48 VDC
  • Watchdog Timer: System (1.6 second) & Communication
  • Connector: 2 x plug-in terminal block (#14~22 AWG)
  • Temperature (Operating): -40~85°C (40~185 °F)
  • Humidity: 5~95 %RH
  • Temperature (Storage): -40~85°C (40~185 °F)
  • Interface: RS-485
  • Isolation Protection: 3000 VDC
  • Communication Protocol: ASCII command & Modbus/RTU
  • Communication Speed: Serial: From 1,200 to 115.2 k
  • Data Flow Control: Yes
  • Digital Output
  • Channels: 8-ch relay Support 100 Hz pulse output