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Product Name: SM 321 Digital Input Module
Brand Name: Siemens
Model Number: 6ES7321-1BH10-0AA0
Place of Origin: Germany
Warranty: 12 Months
Whatsapp：+86 18020776782
Email：[email protected]
Minimum Order Quantity |
1 Piece |
Price |
Contact for Jim |
Packaging Details |
Original new Factory Sealed |
Delivery Time |
3–7 Days |
Payment Terms |
T/T |
Shipping Method |
DHL / FedEx / UPS / TNT |
Supply Ability |
In stock |
|
Sales: |
Email: |
Whatsapp: |
|
Jim Pei |
| Product Name | Siemens 6ES7321-1BH10-0AA0 SM 321 Digital Input Module |
| Manufacturer | Siemens |
| Product Type | SM 321 Digital Input Module |
| Part Number | 6ES7321-1BH10-0AA0 |
| Weight | 0.18kg |
| Estimated shipping dimensions | 4x11.5x12.5cm |
| Place of shipment | Xiamen, China |
| Country of origin | Germany |
| Number of Input Points | 16 digital inputs |
| Input Type | DC digital inputs |
| Rated Input Voltage | 24 V DC |
| Permissible Input Voltage Range | 20.4 ~ 28.8 V DC |
| Input Standard | IEC 61131 Type 1 |
| Signal "0" Voltage Range | -30 ~ +5 V DC |
| Signal "1" Voltage Range | 13 ~ 30 V DC |
| Signal "1" Input Current | Typical 7 mA |
| Simultaneous Control Input Points | Maximum 16 points |
| Isolation Method | Electrical isolation |
| Isolation Test Voltage | 500 V DC |
| Backplane Bus Current (5V DC) | Maximum 110 mA |
| Typical Power Consumption | 3.8 W |
The Siemens 6ES7321-1BH10-0AA0 is a 16-channel digital input module designed for SIMATIC automation systems to acquire and process 24 VDC digital signals from field devices. It provides 16 electrically isolated DC inputs with a rated input voltage of 24 VDC, supporting reliable signal detection according to IEC 61131 Type 1 standards. The module is suitable for connecting switches, sensors, and other binary field devices, offering stable signal acquisition, electrical isolation, and efficient integration into industrial control systems.
Receives 24 VDC digital signals from field devices and transfers them to the PLC CPU for processing.
Provides 16 digital input channels for monitoring sensors, switches, and control signals.
Converts external ON/OFF signals into PLC-readable digital data.
Provides electrical isolation between field signals and the PLC backplane to improve system protection.
Supports simultaneous operation of all 16 input channels.
Enables reliable signal monitoring in industrial automation and machine control applications.
Compared with standard digital input modules, the Siemens 6ES7321-1BH10-0AA0 provides reliable 24 VDC signal acquisition, electrical isolation, and efficient integration within SIMATIC systems. Its compact design and stable input performance make it suitable for a wide range of industrial automation applications.
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