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Siemens SIMATIC S7-300 16-Channel Digital Input Module (24-48V AC/DC)

Siemens SIMATIC S7-300 16-Channel 24-48V AC/DC Digital Input Module.

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ManufacturerSiemens

Part number6ES7321-1CH00-0AA0

Module Type Digital Input SM 321

Channels 16 DI

Voltage 24-48V AC/DC

Isolation Isolated

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16 isolated digital inputs 24-48V AC/DC operation Single rooting capability SIMATIC S7-300 compatible Wide voltage range

Product description

The Siemens 6ES7321-1CH00-0AA0 is a SIMATIC S7-300 digital input module offering 16 isolated inputs. It supports a wide voltage range of 24-48V AC/DC with single rooting and utilizes a 40-pole connector for system integration. This module is built for versatility in various industrial applications.

This module is well-suited for environments where input signals may fluctuate between AC and DC, or where a broader voltage range is required for digital sensing. It's commonly employed in control panels, machine automation, and process monitoring systems.

Stanlo Automation, a veteran-owned business, specializes in surplus industrial automation parts. We provide cost-effective solutions with a commitment to quality and customer satisfaction, ensuring you get the components you need.

Technical specifications

Module Type	Digital Input SM 321
Channels	16 DI
Voltage	24-48V AC/DC
Isolation	Isolated
Connector	1x 40-pole
Series	SIMATIC S7-300

Common applications

Machine control

Process automation

Industrial monitoring

Control panels

Mixed voltage environments

Compatible systems

SIMATIC S7-300 PLC Systems

Also known as

Siemens S7-300 DI Card SM 321 16 DI 6ES73211CH000AA0

Replaces / compatible with

This module is designed for use within the Siemens SIMATIC S7-300 PLC system. It offers flexible input voltage handling for various digital signal sources.

Technical note

Expert tip

The single rooting feature simplifies wiring for common ground or neutral connections when using AC inputs.

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Frequently asked questions

Can the Siemens 6ES7321-1CH00-0AA0 module handle both AC and DC inputs?

Yes, the Siemens 6ES7321-1CH00-0AA0 module is designed to accept both AC and DC signals within the 24-48V range. It features 16 isolated digital inputs for versatile application use.