Buy genuine Siemens 6ES7321-1BH02-0AA0 online
The Siemens 6ES7321-1BH02-0AA0 is a high-quality digital input module from the SIMATIC S7-300 series, designed for industrial automation systems requiring reliable and isolated input channels. This factory-grade SM 321 module offers 16 digital inputs operating at 24 V DC, with an isolated architecture that ensures signal integrity and protects the system from electrical disturbances. Ideal for integrating with Siemens PLCs, the 6ES7321-1BH02-0AA0 supports a wide industrial voltage range, making it suitable for diverse control panel and automation environments. Users looking for a durable and precise digital input solution can rely on this Siemens component for enhanced system performance and compatibility with the S7-300 platform.
Key Features of Siemens 6ES7321-1BH02-0AA0
- 16 isolated digital inputs with 24 V DC nominal voltage
- One 20-pin front connector for easy installation and wiring
- Input voltage range: 13 V to 30 V DC for signal recognition
- Optocoupler separation between inputs and backplane bus for safety
- Compact dimensions: 40 mm width, 125 mm height, 120 mm depth
- Diagnostic status indication via green LED on digital inputs
- Weight approximately 200 g ensuring robust build quality
- Compliance with EMV and approvals for industrial hazardous environments
- Tested insulation voltage of 500 V DC for reliable isolation
Explore Siemens 6ES7321-1BH02-0AA0 specifications covering voltage, I/O, and communication
| Feature |
Specification |
| Input Channels |
16 digital inputs |
| Nominal Input Voltage |
24 V DC |
| Voltage Range for “1” Signal |
13 V to 30 V DC |
| Voltage Range for “0” Signal |
-30 V to +5 V DC |
| Connector Type |
1 x 20 pin front connector |
| Isolation |
Optocoupler, 500 V DC tested |
| Dimensions (W x H x D) |
40 mm x 125 mm x 120 mm |
| Weight |
Approx. 200 g |
Applications / Use Case
This Siemens 6ES7321-1BH02-0AA0 is commonly used in industrial automation environments, where it serves as a reliable interface for process control and machine automation tasks. It is particularly effective in production line systems and packaging or conveyor operations, where precise digital input feedback is critical for system performance. Control panels and motion control setups benefit from its electrical isolation and diagnostic capabilities, enabling safer and more efficient industrial processes globally.
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