Siemens SIPLUS S7-300 SM 321 Digital Input Module 6AG1321-7BH01-2AB0
Siemens SIPLUS S7-300 SM 321 Digital Input Module with conformal coating.
The Siemens SIPLUS S7-300 SM 321 Digital Input module (Part Number: 6AG1321-7BH01-2AB0) is designed for reliable operation in harsh environmental conditions, based on the 6ES7321-7BH01-0AB0. This module features 16 isolated digital inputs for 24 V DC signals. Its key differentiator is the conformal coating, providing enhanced protection against corrosive atmospheres, moisture, and temperature fluctuations, making it suitable for extreme environments.
This module operates within a temperature range of -25°C to +70°C, supporting isochronous-mode operation for precise timing applications. It includes hardware interrupts and diagnostics capabilities, allowing for advanced monitoring and fault detection within the S7-300 automation system. The 1x 20-pole connection ensures straightforward integration with field devices.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 6AG1321-7BH01-2AB0 SIPLUS SM 321 module. Secure your critical automation components from us and ensure the continued reliability and performance of your industrial processes, especially in challenging environments.
| Type | Digital Input Module |
| Series | SIPLUS S7-300 SM 321 |
| Inputs | 16 DI |
| Voltage | 24 V DC |
| Temperature Range | -25...+70 °C |
| Features | Conformal Coating, Isolated, Hardware Interrupt, Diagnostics, Isochronous Mode |
| Connection | 1x 20-pole |