Novatek-Electro OB-216

OB-216 Digital Input/Output Module

The OB-216 is a digital input/output module manufactured by NOVATEK-ELECTRO LTD. It provides versatile measurement and control capabilities via RS-485 and USB interfaces using the Modbus protocol, with analog output functionality.

Key Features

Remote DC voltage measurement (0–10 V)
Remote DC current measurement (0–20 mA)
Temperature measurement with analog sensors NTC (10KB), PTC 1000, or PT 1000
Temperature and humidity measurement with digital sensors DS18B20, DHT11, DHT21/AM2301, DHT22
Pulse counter with memory storage (discrete, voltage, or current modes)
Dry contact input state tracking (logic input)
Analog output (0–10 V voltage or 0–20 mA current)
RS-485 and USB communication interfaces
Modbus RTU/ASCII protocol support

Common Use Cases

Remote sensor data acquisition and control
Industrial process monitoring with analog outputs
Building automation I/O expansion
Environmental monitoring and HVAC control
Laboratory measurement and control systems

Documentation

Getting Started

Quick Start and Application Setup – Initial connection, mode selection, and step-by-step procedures for every supported input and sensor
Operating Manual – Complete specifications, installation, wiring, operation, safety, and maintenance information
Modbus Interface – USB and RS-485 configuration, Modbus RTU/ASCII protocol details, and register reference

Advanced Features

Firmware & Updates – Firmware versions, update procedures, and release notes
Software Tools – Download utilities for testing and configuration

Resources

OB-216 Product Page – Full product information and specifications
One-Page Documentation – Complete documentation on a single page for printing
OB-216 Full Manual (PDF) – Complete operating manual

Support

Knowledge Base: Browse this documentation for detailed guides and references
Support Center: Visit our Support Center for FAQs and troubleshooting
Report an Issue: Submit a support ticket for technical assistance