Siemens 6ES7321-1BH02-0AA0 Digital Input Module
The Siemens SM 321 Digital Input Module 6ES73211BH020AA0 Siemens provides 16 isolated digital inputs for SIMATIC S7-300 systems. Designed for 24V DC operations, it offers high reliability and easy integration with Siemens automation systems. Ideal for industrial control applications, the module supports various front connector options and ensures secure signal acquisition with robust build quality.
Technical Specifications
Model: 6ES7321-1BH02-0AA0
Type: Digital Input Module (DI) for SIMATIC S7-300
Power & Performance
- Number of Digital Inputs: 16 (Isolated)
- Input Voltage: 24 V DC
- Front Connector: 1x 20-pole
- Isolation: Yes
- Module Type: SM 321 Digital Input Module
Interfaces & Communication
- Compatible System: SIMATIC S7-300
- Connector Options:
- 6ES7392-1AJ00-0AA0: Screw contact front connector (20-pole)
- 6ES7392-1BJ00-0AA0: Spring-loaded contact front connector (20-pole)
Physical Specifications
- Net Weight: 0.237 kg
- Packaging Dimensions (W x H x D): 12.80 cm x 15.20 cm x 5.00 cm
- Package Size Unit of Measure: CM
- Quantity Unit: 1 Piece
- Packaging Quantity: 1
- IP Rating: Not specified (Rack-mounted module)
Product Lifecycle & Compliance
- Product Lifecycle (PLM): PM400 – Announcement of Product Phase-Out
- Product Phase-Out Date: 01.10.2023
- Export Control Regulations: AL: N / ECCN: 9N9999
- Compliance with RoHS Directive: Since 31.03.2008
- WEEE Take-Back Obligation: Yes
- REACH Art. 33 Candidate Substance: Lead monoxide (CAS-No. 1317-36-8 > 0.1% w/w)
- SCIP Number: 9f4d53a8-ee62-4441-9f1c-0f959577dfc1
Additional Product Information
- EAN: 4025515051893
- UPC: 040892561715
- Commodity Code: 85389091
- Country of Origin: Germany
- Catalog ID: ST73
- Product Group: 2288
- Group Code: R151
- Product Class: A – Standard stock product, returnable within guidelines
Key Features & Benefits:
✅ 16 Isolated Digital Inputs: Reliable input signal processing at 24V DC.
✅ Flexible Integration: Supports screw or spring-type front connectors.
✅ Compact, Robust Design: Ensures easy installation in S7-300 racks.
✅ Siemens Reliability: Built for long-term industrial performance.
✅ RoHS & WEEE Compliant: Environmentally compliant with safe material usage.
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