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Products > Advantech > Remote I/O&Wireless Sensing Modules > Digital I/O Modules

ADAM-4055

8DI/8DO Modbus RS-485 Remote I/O

Main Features

8ch digital input/8ch digital output
Protocols:Modbus RTU,ASCII
Watchdog timer to recover the system
2500VDC isolation protection

Introduction

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
PartNumber	ADAM-4055-C
Communications
Interface	RS-485
Environment
Isolation Voltage	2,500 VDC
Operating Temperature	-10~70 °C (14~158 °F)
General
Connectors	2 x 13-pin plug-in screw terminal
Protocol	ASCII command, Modbus/RTU
Isolated Digital Input
Channels	8
Input Voltage	Dry Contact Logic level 1: close to DGND Logic level 0: open Wet Contact Logic level 1: 10~50 VDC Logic level 0: 0~3 VDC
Isolated Digital Output
Channels	8
Output Type	Sink
Output Voltage	0~40 VDC
Sink Current	200 mA max./channel
Power Requirements
Input Voltage	10~30 VDC