6ES7321-1BH02-0AA0 New Original Siemens S7-300 Plc Programming Controller module

2. Key Selling Points

1. 32-Channel Digital Input Module: A high-density digital input module for the Siemens S7-300 series, providing 32 independent 24V DC input channels, ideal for automation systems requiring extensive discrete signal acquisition—reducing panel space and wiring costs.
2. High Channel Density, Space-Saving Design: Integrates 32 inputs in a standard S7-300 module footprint, reducing the number of modules and rail space compared to 16-channel alternatives, improving rack utilization for I/O-intensive applications.
3. Flexible Configuration & Diagnostics: Inputs are grouped in sets of 8 (4 groups total), supporting flexible interrupt and diagnostic settings. Can be parameterized via STEP 7 software and supports channel-level diagnostics for fast fault detection and troubleshooting.
4. High Noise Immunity & Reliability: Features strong electromagnetic compatibility (EMC) and input filtering to effectively suppress electrical noise in industrial environments, ensuring stable and accurate signal acquisition.
5. Plug-and-Play, Seamless Integration: As a native S7-300 module, it mounts directly on IM153 or CPU expansion racks, is automatically recognized by the system, and supports hot swapping (when configured), simplifying installation, maintenance, and system scalability.