ADAM-4055 16 Channel Isolated Digital I/O Module with Modbus

Download the ADAM-4055 data sheet.

Overview

The ADAM-4055 offers 8-ch. isolated digital inputs and 8-ch. isolated digital outputs for critical applications. The inputs accept 10~50 V voltage, and the outputs supply 5~40 VDC open collector. Considered to be user-friendly. The ADAM-4055 is also built with LED indicator for easy status reading.

Specifications

General

• 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 - 1.0W @ 24 V_DC
• Supported Protocols - ASCII command and Modbus/RTU
• Humidity 5 to 95% RH
• Operating Temperature -10 to 70°C
• Storage Temperature -25 to 85°C
• Isolation voltage 2500V_DC
• LED indicators Yes

Digital Input

• Channels 8
• Input Levels
  • Dry Contact
    Logic level 0: open
    Logic level 1: close to GND
  • Wet Contact
    Logic Level 0: 3V max
    Logic Level 1: 10 to 50V
  • Isolation Voltage: 2500V_DC
  • Input Resistance: 5.2kΩ
  • Overvoltage Protection: 70V_DC
  Note: Digital Input levels 0 and 1 can be inverted.

Digital Output

• Channels 8
  • Type
    Open collector to 40V
    (200mA max load)
  • Power Dissipation
    Channel: 1W max
    Total (8 channels): 2.2W