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Home Product 321-1FH00-0AA0 Siemens SIMATIC S7 Digital Input Module 24VDC Industrial Automation
321-1FH00-0AA0

321-1FH00-0AA0 Siemens SIMATIC S7 Digital Input Module 24VDC Industrial Automation

Siemens S7-300 Module
SIMATIC DI Module
321-1FH00 PLC Module
321-1FH00-0AA0
Siemens S7-300 321-1FH00 PLC Module is a SIMATIC DI Module delivering high-speed digital input, reliable data acquisition, and industrial-grade durability for automation systems. Compatible with S7-300 series, designed for harsh environments.
Categories:Automation
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Product Description

The Siemens S7-300 Module 321-1FH00-0AA0 is a SIMATIC DI Module designed for seamless integration into industrial automation systems. This PLC Module features 16 digital inputs (24VDC) supporting both sink and source configurations, enabling direct connectivity with sensors and switches. It is compatible with SIMATIC S7-300 racks, allowing direct expansion with up to 8 modules via the backplane bus. Operating within a voltage range of 20.4-28.8VDC and a temperature range of 0-60°C, it ensures reliability in harsh environments. Widely used in manufacturing, energy, and process industries, its key advantages include high noise immunity, LED status indicators, and robust construction for vibration resistance. A limitation is the lack of onboard communication ports, requiring a separate CPU for network integration. While it does not incorporate a screen or battery, its compact design and DIN rail mounting optimize space efficiency. The module detects input signals with thresholds as low as 15V, ensuring precise signal acquisition.
Parameter Specification
Product Model 321-1FH00-0AA0
Module Type Siemens S7-300 Digital Input Module
Input Channels 16-channel
Input Voltage 24V DC
Rated Voltage 24V DC ±10%
Power Consumption ≤1W (from backplane)
Isolation Optoelectronic isolation between channels and backplane
Response Time ≤3ms (signal ON/OFF)
Connection Type Screw-type terminal front connector
Operating Temperature -20°C to +60°C
Certification CE, UL, cULus
Product Series SIMATIC S7-300 PLC Modules
question:Can I apply for low-value declaration for shipments?
answer:Yes, if compliant with local regulations. Limitations may apply based on destination.
question:Why was the product label removed upon receipt?
answer:Labels are removed by customs or for compliance with destination country regulations.
question:Can I self-schedule official courier pickups?
answer:Yes, through the courier's online platform using your tracking number.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can I apply for low-value declaration for shipments?
answer:Yes, if compliant with local regulations. Limitations may apply based on destination.
question:Why was the product label removed upon receipt?
answer:Labels are removed by customs or for compliance with destination country regulations.
question:Can I self-schedule official courier pickups?
answer:Yes, through the courier's online platform using your tracking number.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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