Siemens 6NH9840-3DB35

The Siemens 6NH9840-3DB35 is an advanced analog input module specifically engineered for seamless integration within SIMATIC S7-300 and S7-400 controllers, making it ideal for diverse industrial automation needs. This module features four analog input channels that can accept either 0-10VDC or 4-20mA signals, allowing for both linear and non-linear signal processing essential for process control, monitoring, and data acquisition applications. With its robust built-in alarm and error handling system, the 6NH9840-3DB35 ensures real-time monitoring by generating alerts based on user-defined thresholds while detecting issues such as overvoltage or short circuits. Comprehensive user manuals guide users through installation, configuration, and troubleshooting, ensuring optimal performance. Programmable through the SIMATIC software, this module supports customization of input channels, alarm settings, and remote monitoring via Ethernet or Profibus interfaces. Designed to withstand temperatures from -20°C to 60°C, the Siemens 6NH9840-3DB35 is a reliable and flexible solution for modern industrial operations.