NPS5251 - NetPortServer Compact 2 Port RS232/422/485 Device Server with Modbus and MQTT Support
Dual RS232/RS422/RS485 Serial Ports + Dual Ethernet LAN Ports
Enables flexible industrial connectivity with support for multiple serial protocols and network interfaces.
Modbus RTU/TCP Gateway with MQTT Messaging
Converts serial Modbus RTU data to Modbus TCP or JSON-based MQTT for seamless cloud and SCADA integration.
Automatic Polling, JSON Transformation & Dual‑Protocol Support
Supports scheduled Modbus polling, JSON conversion, and bi-directional Modbus/JSON routing for legacy integration.
Virtual COM Port Support & TCP/UDP Client-Server Modes
Allows legacy serial applications to access remote RS‑485 devices over Ethernet using COM port mapping.
Wide Voltage Input (10–30 VDC) and Compact Installation
Operable via industrial DC sources, with both desktop and DIN‑rail mounting options.
Low Power Consumption & Reliable Industrial Design
Efficient energy usage supports stable 24/7 operation in factory or field environments.
Robust Diagnostics and Network Time Sync Support (NTP)
Ensures precise timing synchronization and easy troubleshooting for mission-critical deployments.
Ideal Applications
Industrial serial integration, Modbus device cloud access, legacy sensor network modernization, and IIoT data gateway implementations.