Siemens SIMATIC S7-400 6ES7421-7BH01-0AB0 SM 421 16 DI
Manufacturer: Siemens
Condition: Brand New
Lead Time: In Stock
Origin: Germany
Warranty: 12 Months
Email: [email protected]
whatsApp: +86-18150117685
- Overview
- Product Overview
- Key Functions
- Official Specifications
- Frequently Asked Questions
- Compatibility & Ordering Notes
- Hot Selling Models
- Recommended Products
Overview
SIEMENS SIMATIC S7-400 • DIGITAL INPUT MODULE
6ES7421-7BH01-0AB0 SM 421 16 DI
Official Siemens identification and technical data for 6ES7421-7BH01-0AB0, prepared for accurate replacement matching and quotation.
At a Glance
| Article Number | 6ES7421-7BH01-0AB0 |
| Manufacturer | Siemens |
| Platform | SIMATIC S7-400 |
| Product Type | SM 421 16 DI |
| Official Configuration | 16 isolated digital inputs, 24 V DC, 0.05 ms input delay, alarm and diagnostics |
Exact Identification
Match the complete Siemens article number 6ES7421-7BH01-0AB0 and the installed hardware configuration.
Official Configuration
16 isolated digital inputs, 24 V DC, 0.05 ms input delay, alarm and diagnostics.
Connection Check
SIMATIC S7-400 backplane-bus and signal-module front connection.
Product Overview
6ES7421-7BH01-0AB0 is officially identified by Siemens as SM 421 16-Channel Digital Input Module in the SIMATIC S7-400 product range.
Siemens identifies this SIMATIC S7-400 SM 421 isolated digital input module with 16 inputs at 24 V DC, 0.05 ms input delay, alarm capability and diagnostics.
Ordering focus: verify the complete 6ES7421-7BH01-0AB0 article number, installed hardware configuration, connections and Siemens system documentation before replacement.
Key Functions
Model-Specific Configuration
6ES7421-7BH01-0AB0: 16 isolated digital inputs, 24 V DC, 0.05 ms input delay, alarm and diagnostics.
System Connection
SIMATIC S7-400 backplane-bus and signal-module front connection.
Replacement Control
Use the full 6ES7421-7BH01-0AB0 article number and official Siemens documentation to verify the installed configuration before replacement.
Official Specifications
| Manufacturer | Siemens |
| Series | SIMATIC S7-400 |
| Article Number | 6ES7421-7BH01-0AB0 |
| Product Type | SM 421 Digital Input Module |
| Digital Inputs | 16 |
| Isolation | Isolated |
| Input Voltage | 24 V DC |
| Input Delay | 0.05 ms |
| Alarm Capability | Yes |
| Diagnostics | Supported |
| Net Weight | 0.776 kg |
| Packaging Dimension | 23.30 x 29.50 x 3.80 cm |
| Country of Origin | Germany |
Official source: Siemens Industry Mall product data for 6ES7421-7BH01-0AB0. Commercial stock, warranty and shipping statements are seller terms.
Frequently Asked Questions
What is Siemens 6ES7421-7BH01-0AB0?
6ES7421-7BH01-0AB0 is the Siemens SM 421 16-Channel Digital Input Module for the SIMATIC S7-400 product range.
Which Siemens system uses 6ES7421-7BH01-0AB0?
Siemens identifies 6ES7421-7BH01-0AB0 for the SIMATIC S7-400 system.
What is the official configuration of 6ES7421-7BH01-0AB0?
6ES7421-7BH01-0AB0 is officially configured as 16 isolated digital inputs, 24 V DC, 0.05 ms input delay, alarm and diagnostics.
Which connections are specified for 6ES7421-7BH01-0AB0?
6ES7421-7BH01-0AB0 uses SIMATIC S7-400 backplane-bus and signal-module front connection.
What should be checked before installing 6ES7421-7BH01-0AB0?
Before installing 6ES7421-7BH01-0AB0, verify the full article number, installed system, electrical ratings, connectors and official Siemens documentation.
How should 6ES7421-7BH01-0AB0 be matched for replacement?
Match 6ES7421-7BH01-0AB0 by the complete Siemens article number, product family, hardware configuration and documented connection requirements.
Which documentation should be confirmed for 6ES7421-7BH01-0AB0?
Confirm the Siemens Industry Mall product data and the applicable Siemens system manual for 6ES7421-7BH01-0AB0.
Compatibility & Ordering Notes
Compatibility Checklist for 6ES7421-7BH01-0AB0
- Match the complete 6ES7421-7BH01-0AB0 article number without shortening the suffix.
- Confirm compatibility with the installed SIMATIC S7-400 product range.
- Verify 16 isolated digital inputs, 24 V DC, 0.05 ms input delay, alarm and diagnostics.
- Confirm SIMATIC S7-400 backplane-bus and signal-module front connection.