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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-4024 Four Channel Analog Output Module with Modbus

Download PDF Download the ADAM-4024 data sheet.


ADAM-4024 Module ADAM-4024 provides 4 universal type output channels. Moreover, it is designed with 4 Digital inputs for integrating applications, such as emergency latch outputs or users default triggers. It uses optical isolators to prevent ground loop effects and limits damages from power surges. You can specify slew rates and startup currents. The Analog output module receives its digital input through an RS-485 interface from the host computer. The format of the data is either engineering units, twos complement hexadecimal format or percentage of full-scale range (FSR),depending on the module ’s configuration. It then uses its microprocessor-controlled D/A converter to convert the digital data into output signals.



  • Power Input Unregulated 10 - 30V DC.
  • Connectors 2 x plug-in terminal block (#14 - 22AWG)
  • Watchdog Timer System (1.6 Sec.) and Communication
  • Isolation Voltage 3000VDC
  • Power Consumption 3.0W @ 24 VDC
  • Supported Protocols ASCII command and Modbus
  • Humidity 5 to 95% RH
  • Operating Temperature -10 to 70°C
  • Storage Temperature -25 to 85°C

Analog Output

  • Channels 4
  • Resolution 12-bit
  • Output Impedance 0.5Ω
  • Current Load Resistor 0 to 500Ω (source)
  • Output Type mA and V
  • Output Ranges
    • Voltage ±10V
    • Current 0-20mA and 4-20mA
  • Programmable Output Slope 0.125-128mA/sec 0.0625-64V/sec
  • Accuracy
    • Voltage Mode ± 0.1% or better
    • Current Mode ± 0.1% or better
    • Zero Drift voltage mode ±30µV/°C
    • Zero Drift current mode ±0.2µA/°C
    • Span Temperature Coefficient ±25ppm/°C

Digital Input

  • Channels 4
  • Input
    • Logic Level 0: 1V max
    • Logic Level 1: 10-30VDC