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Siemens SIMATIC S7-300 Digital Input SM 321

Name: Siemens 6ES7321-7BH80-0AB0
Brand: Siemens
SKU: 6ES7321-7BH80-0AB0
Availability: InStock

Siemens SIMATIC S7-300 16-Channel Digital Input Module

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerSiemens

Part number6ES7321-7BH80-0AB0

Series SIMATIC S7-300

Module Type Digital Input SM 321

Channels 16 DI

Voltage 24V DC

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12-month warranty

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16 Optically Isolated Digital Inputs 24V DC Operation Expanded Temperature Range Process Interrupt Capability Diagnostic Functions SIMATIC S7-300 Compatible

Product description

The Siemens SIMATIC S7-300 Digital Input Module SM 321 (6ES7321-7BH80-0AB0) provides 16 optically isolated digital input channels for 24V DC signals. This module is designed for an expanded temperature range, making it suitable for challenging industrial environments. It features robust diagnostic capabilities and supports process interrupts, allowing for timely responses to critical events in automated processes. The 20-pin connector ensures secure and straightforward wiring.

This module is a key component in the SIMATIC S7-300 automation system, widely used in various industries including manufacturing, automotive, and process control. Its expanded temperature range (-25°C to +70°C) ensures reliable operation in extreme conditions. The optical isolation enhances safety by protecting the PLC from voltage fluctuations and electrical noise from the field devices.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens SIMATIC S7-300 SM 321 Digital Input Module. Equip your automation projects with reliable and tested components. Trust Stanlo for quality surplus parts and efficient service.

Technical specifications

Series	SIMATIC S7-300
Module Type	Digital Input SM 321
Channels	16 DI
Voltage	24V DC
Isolation	Optically Isolated
Temperature Range	Expanded (-25°C to +70°C)
Features	Process Interrupt, Diagnostics
Connector	20-pin

Common applications

Industrial Automation

Manufacturing

Automotive Industry

Process Control

Machine Control

Building Automation

Compatible systems

SIMATIC S7-300 PLCs ET 200M (with appropriate adapter) Siemens Automation Systems

Also known as

SM 321 DI Module Siemens S7-300 Input Module 6ES7321-7BH80-0AB0

Technical note

Expert tip

Ensure the correct 20-pin connector wiring is used for the 16 digital inputs on this SM 321 module to prevent damage or malfunction.

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Frequently asked questions

What is the operating temperature range for the Siemens SIMATIC S7-300 SM 321 Digital Input Module (6ES7321-7BH80-0AB0)?

The Siemens SIMATIC S7-300 SM 321 Digital Input Module (6ES7321-7BH80-0AB0) is designed for an expanded temperature range, operating reliably from -25°C to +70°C (-13°F to 158°F). This makes it suitable for use in demanding industrial environments with extreme temperature fluctuations.