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Siemens SIMATIC S7-300 SM 321 Digital Input Module, 32DI

Name: Siemens 6ES7321-1BL80-0AA0
Brand: Siemens
SKU: 6ES7321-1BL80-0AA0
Availability: InStock

Siemens SIMATIC S7-300 SM 321 digital input module with 32DI.

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

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ManufacturerSiemens

Part number6ES7321-1BL80-0AA0

Type Digital Input Module

Series SIMATIC S7-300

Model SM 321

Inputs 32 x Digital Input (DI)

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12-month warranty

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32 Digital Inputs 24V DC Input Voltage Optically Isolated Channels Expanded Temperature Range Operation For SIMATIC S7-300 40-pin connector

Product description

The Siemens SIMATIC S7-300 SM 321 (Part No. 6ES7321-1BL80-0AA0) is a digital input module featuring 32 optically isolated inputs. This module is designed for an expanded temperature range, ensuring reliable operation in challenging industrial conditions. It operates with a 24V DC supply voltage for its inputs.

This SM 321 module is a key component for S7-300 programmable logic controllers, used to interface binary signals from field devices such as push buttons, limit switches, and sensors directly to the PLC. Its 40-pin connector facilitates straightforward wiring in automation cabinets.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, provides the Siemens 6ES7321-1BL80-0AA0 SM 321 module. Ensure your S7-300 system is complete with reliable I/O components from Stanlo.

Technical specifications

Type	Digital Input Module
Series	SIMATIC S7-300
Model	SM 321
Inputs	32 x Digital Input (DI)
Voltage	24V DC
Isolation	Optically Isolated
Temperature Range	Expanded
Connector	40-pin

Common applications

S7-300 PLC Systems

Industrial Machine Control

Process Automation

Binary Input Signal Acquisition

Factory Automation

Building Management Systems

Compatible systems

Compatible with Siemens SIMATIC S7-300 series PLCs.

Also known as

Siemens S7-300 DI Module SM 321 Input Module 6ES7321-1BL80-0AA0 I/O Card

Replaces / compatible with

This SM 321 module is a direct replacement for other Siemens S7-300 32-channel, 24V DC digital input modules. Ensure compatibility with your S7-300 CPU and rack.

Technical note

Expert tip

Utilize the expanded temperature range capability of this module in applications subject to significant ambient temperature fluctuations.

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Frequently asked questions

What is the input voltage and number of channels for the Siemens 6ES7321-1BL80-0AA0 SIMATIC S7-300 module?

The Siemens 6ES7321-1BL80-0AA0 SIMATIC S7-300 SM 321 module features 32 digital inputs (32DI) that operate at a 24V DC supply voltage. It also offers optically isolated channels for enhanced signal integrity.