The Advantech ADAM-4055-C is a compact 16-channel isolated RS-485 digital I/O module for connecting field signals to industrial monitoring and control systems. It is part of Advantech’s ADAM-4000 range and is designed for reliable use in industrial connectivity, automation and remote monitoring applications.

Key features of the ADAM-4055-C

• 8 isolated digital input channels and 8 isolated sink-type digital output channels
• RS-485 serial communications for distributed industrial I/O
• Supports Modbus/RTU and Advantech ASCII command protocols
• 2,500 VDC I/O isolation helps protect control equipment from field-side electrical disturbances
• Digital outputs rated 0–40 VDC, up to 200 mA per channel
• 10–30 VDC power input and -10°C to +70°C operating temperature range
• LED indication supports straightforward installation and diagnostics

The ADAM-4055-C is a strong fit for engineers integrating legacy equipment, field I/O or industrial Ethernet infrastructure where dependable communications and straightforward deployment are important. Use the technical attributes below and the Advantech datasheet to confirm suitability for your exact application.