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Siemens 6ES7321-1EH01-0AA0 S7-300 SM321 16 DI 24 V DC digital input module.

Siemens 6ES7321-1EH01-0AA0

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$602.00
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Siemens 6ES7321-1EH01-0AA0 

Overview

The Siemens 6ES7321-1EH01-0AA0 is a SIMATIC S7-300 digital input module (SM321) designed for reliable signal acquisition in industrial automation systems. It features 16 optically isolated digital inputs operating at 24 V DC, ensuring high noise immunity, safe operation, and consistent performance in demanding environments.

Key Features

  • SM321 digital input module for S7-300

  • 16 digital inputs (DI)

  • Input voltage: 24 V DC

  • Optically isolated channels

  • 20-pole front connector

  • Fast signal response

  • Compact modular design

Technical Specifications

  • Siemens Code: 6ES7321-1EH01-0AA0

  • Series: SIMATIC S7-300, SM321

  • Number of Inputs: 16

  • Input Type: Digital (DC)

  • Input Voltage: 24 V DC

  • Input Current: ~7 mA per channel

  • Response Time: ~3 ms

  • Bus System: S7-300 backplane

  • Connection: 20-pin front connector

  • Protection Rating: IP20

  • Operating Temperature: 0 °C to +60 °C

  • Certifications: CE, UL

Applications

  • Industrial automation systems

  • Machine control panels

  • Process automation

  • Sensor signal acquisition (24 V DC)

  • Manufacturing and production lines

Why Choose Siemens 6ES7321-1EH01-0AA0?

  • Reliable 24 V DC input signal processing

  • High electrical isolation for safety

  • Seamless integration with S7-300 systems

  • Proven Siemens industrial quality

Order Now

Upgrade your automation system with the Siemens 6ES7321-1EH01-0AA0 — precise, reliable, and built for industrial signal processing.

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Siemens 6ES7321-1EH01-0AA0 

Overview

The Siemens 6ES7321-1EH01-0AA0 is a SIMATIC S7-300 digital input module (SM321) designed for reliable signal acquisition in industrial automation systems. It features 16 optically isolated digital inputs operating at 24 V DC, ensuring high noise immunity, safe operation, and consistent performance in demanding environments.

Key Features

  • SM321 digital input module for S7-300

  • 16 digital inputs (DI)

  • Input voltage: 24 V DC

  • Optically isolated channels

  • 20-pole front connector

  • Fast signal response

  • Compact modular design

Technical Specifications

  • Siemens Code: 6ES7321-1EH01-0AA0

  • Series: SIMATIC S7-300, SM321

  • Number of Inputs: 16

  • Input Type: Digital (DC)

  • Input Voltage: 24 V DC

  • Input Current: ~7 mA per channel

  • Response Time: ~3 ms

  • Bus System: S7-300 backplane

  • Connection: 20-pin front connector

  • Protection Rating: IP20

  • Operating Temperature: 0 °C to +60 °C

  • Certifications: CE, UL

Applications

  • Industrial automation systems

  • Machine control panels

  • Process automation

  • Sensor signal acquisition (24 V DC)

  • Manufacturing and production lines

Why Choose Siemens 6ES7321-1EH01-0AA0?

  • Reliable 24 V DC input signal processing

  • High electrical isolation for safety

  • Seamless integration with S7-300 systems

  • Proven Siemens industrial quality

Order Now

Upgrade your automation system with the Siemens 6ES7321-1EH01-0AA0 — precise, reliable, and built for industrial signal processing.

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Siemens 6ES7321-1EH01-0AA0

Siemens 6ES7321-1EH01-0AA0

$602.00
Add to wishlist
Siemens 6ES7321-1EH01-0AA0

Siemens 6ES7321-1EH01-0AA0

Your Price:
$602.00
Item Added to Your Cart
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