SIEMENS 6ES7421-1FH20-0AA0 Digital Input Module

Technical Specifications of SIEMENS 6ES7421-1FH20-0AA0

l Model Number: SIEMENS 6ES7421-1FH20-0AA0

l Type: Digital Input Module

l Series: SIMATIC S7-400

l Voltage Input Range: 24V DC

l Number of Inputs: 16 isolated channels

l Input Type: Digital

l Isolation Voltage: Up to 500V AC

l Current Consumption: 70 mA (typical at 24V DC)

l Response Time: Approximately 0.5 ms

l Dimensions (H x W x D): 290 x 25 x 210 mm

l Weight: 0.5 kg

l Certifications: CE, UL, CSA

l Operating Temperature Range: -25°C to +60°C

l Storage Temperature Range: -40°C to +70°C

l Humidity Tolerance: 5-95%, non-condensing

Detailed Features of SIEMENS 6ES7421-1FH20-0AA0

1. High Reliability and Durability: Designed for challenging industrial environments, offering consistent performance with 24V DC isolated digital inputs.

2. Scalable Integration: Equipped with 16 input channels, it is versatile for different automation architectures and scalable across various systems.

3. Fast Input Processing: With a response time of 0.5 ms, this module is suitable for applications requiring rapid input handling and response.

4. Robust Safety Features: This product features up to 500V AC isolation to enhance operational safety and protect against voltage surges.

Applications of SIEMENS 6ES7421-1FH20-0AA0

The Siemens 6ES7421-1FH20-0AA0 Digital Input Module is suited for a wide range of industrial automation applications:

Factory Automation: Used in real-time production and assembly lines for digital signal processing.

l Process Control: Widely applied in sectors like oil, gas, and pharmaceuticals for discrete signal monitoring and control.

l Building Automation: Suitable for security, access control, and environmental monitoring within building management systems.

l Energy Sector: Commonly used in power plants and utility systems to monitor operational data and control digital inputs efficiently.

Related Part Numbers of SIEMENS 6ES7421-1FH20-0AA0

l 6ES7421-1BL01-0AA0: Similar digital input module in the SIMATIC S7-400 series with alternative configuration.

l 6ES7421-1BH11-0AA0: Offers compatible functionality with slight variations for specific operational requirements.

l 6ES7421-1FH00-0AA0: Another variant in the S7-400 series for digital input needs.

l 6ES7421-1GH10-0AA0: Enhanced input module for high-performance applications in the same series.