ADAM-4053/4055/4080 – RS-485 I/O Modules by Advantech

The ADAM-4000 series RS-485 I/O modules from Advantech represent a comprehensive solution for industrial remote data acquisition and control systems. This product family includes three specialized modules designed to meet diverse automation requirements. The ADAM-4053 is a 16-channel digital input module supporting both dry and wet contacts with an effective distance of up to 500 meters for dry contact applications, consuming only 0.4W typical power. The ADAM-4055 offers 16-channel isolated digital I/O functionality with 8 digital inputs and 8 digital outputs, featuring 2,500 VDC isolation voltage for enhanced protection in demanding environments. It supports both sink NPN and source PNP configurations with 70 VDC overvoltage protection. The ADAM-4080 provides sophisticated 2-channel counter and frequency measurement capabilities with 32-bit counters supporting up to 50 kHz input frequency, programmable digital noise filtering from 2 microseconds to 65 milliseconds, and a 5-digit LED readout for local monitoring. All modules share common specifications including unregulated 10-30 VDC power input, wide operating temperature range of -10 to 70°C, and 5-95% relative humidity tolerance. They connect via plug-in terminal blocks accepting 14-28 AWG wire and feature system watchdog timers for reliable unattended operation. Supporting both ASCII command and Modbus/RTU protocols, these modules integrate seamlessly into existing industrial networks and SCADA systems. These modules are ideal for factory automation, process control, building management systems, and critical infrastructure monitoring where reliable remote I/O is essential. Available from Recab, your Nordic partner for Advantech remote I/O solutions.