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PC Based Industrial Automation

Featured Product

This months featured product is the ADAM-4520 RS-232 to RS-485 converter.
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ADAM-4069 8 Channel Power Relay Output Module with Modbus

Download PDFDownload the ADAM-4069 data sheet.


ADAM-4069 ModuleThe ADAM-4069 is designed for on/off control in high-voltage applications. The major feature of ADAM-4069 is its power relay rating at 240 V AC and 5 A. This range can satisfy most requirements for driving externally controlled devices such as lights, fans, alarm systems, and various electronic devices in industrial automation, security, building and home automation applications. ADAM-4069 also supports the Modbus/RTU protocol and ADAM ASCII commands. Besides, it provides four form A channels and four form C channels.



  • Power Input - Unregulated 10 - 30V DC.
  • Connectors 2 x plug-in terminal block (#14 - 28AWG)
  • Watchdog Timer - System (1.6 Sec.) and communication
  • Power Consumption - 2.2W @ 24 VDC
  • Supported Protocols - ASCII command and Modbus/RTU
  • Humidity 5 to 95% RH
  • Operating Temperature -10 to 70°C
  • Storage Temperature -25 to 85°C

Relay Output

  • Breakdown Voltage
    1000VAC (50/60Hz)
  • Channels
    4 x Form A
    4 x Form C
  • Contact Rating (Resistive)
    5A @ 250VAC
    5A @ 30VDC
  • Initial Insulation Resistance
    1GΩ min. @ 500VDC
  • Relay Off Time
    5.6mSec (typical)
  • Relay On Time
    5mSec (typical)
  • Maximum Operating Speed
    6 operations/min (at rated load)