Siemens 6NH9804-1CB

The Siemens 6NH9804-1CB is an essential electronic module engineered for industrial automation, particularly within process control and monitoring applications. Designed for compatibility with Siemens SIMATIC S7-200 and S7-300 programmable logic controllers (PLCs), this digital input module features four versatile inputs that can detect both normally open and normally closed contacts. It operates within a voltage range of 24 V DC and supports an input current of up to 20 mA, making it well-suited for a variety of industrial environments with operational temperature capabilities from -20°C to +60°C. Installation and configuration are straightforward with comprehensive user manuals available to facilitate the setup process, while programming is efficiently conducted through Siemens’ SIMATIC STEP 7 software, enabling users to tailor input actions to specific PLC programs. The 6NH9804-1CB module is a reliable choice for enhancing monitoring and control functions in advanced automation systems.