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Siemens 6ES7321-1BL00-0AA0 Digital Input Module

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6ES7321-1BL00-0AA0 Product datasheet

Model number:	6ES7321-1BL00-0AA0	Module Type：	Digital Input Module
Manufacture:	Siemens	Condition：	Brand New
Range of Product:	Siemens	Lead time：	In Stock
Weight:	0.26 kg	HS CODE：	8537101190
Dimension:	4x11.7x12.5cm	MOQ:	1
Product Origin:	GERMANY	System：	PLC
Discontinued on:	active	Communication Service:	Ethernet router

6ES7321-1BL00-0AA0 Functional Description

The Siemens 6ES7321-1BL00-0AA0 Digital Input Module is a 32-channel digital input module for SIMATIC S7-300 PLCs, providing reliable 24V DC signal acquisition in industrial automation systems. The 6ES7321-1BL00-0AA0 PLC MODULE delivers high-performance signal processing for SIMATIC S7-300 PLCs, featuring 32 isolated digital inputs for comprehensive 24V DC sensor monitoring. Engineered for industrial durability, this module maintains reliable operation in demanding conditions while providing complete channel-to-channel isolation.

Optimized for space-constrained installations, the Digital Input Module 6ES7321-1BL00-0AA0 Siemens maximizes panel efficiency without sacrificing functionality. Integrated per-channel LEDs enable real-time status monitoring, while its industrial temperature rating (-25°C to +60°C) ensures stable performance in extreme environments.

The module meets global certification standards (CE, UL, RoHS) and features tool-free front connectivity for simplified wiring. Compatible with all S7-300 configurations, the Siemens 6ES7321-1BL00-0AA0 PDF has become an industry standard for: Automotive production lines. Packaging machinery. Material transport systems. Process monitoring applications

If you have other request contact our team to get customized service

One Year Warranty

We offer a one-year warranty for any quality issues with our products. If you encounter any defects or malfunctions during this period, please contact us for prompt resolution. Our warranty covers repairs or replacements, ensuring your satisfaction and peace of mind.
Shipping & Delivery

We have 10 years experience with leading logistics companies like FedEx, DHL, and SF, ensuring efficient and reliable shipping solutions. Our extensive experience in working with these carriers allows us to offer fast, secure delivery services, tailored to meet the diverse needs of our customers.
Payment Method

We accept a variety of payment methods, including T/T Bank Transfer, Alipay, and more, providing flexible options to suit our customers' preferences. This ensures a convenient and secure transaction process for all orders.

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SIEMENS	6EP3337-8SB00-0AY0	EMERSON	PR6423/005-001	EMERSON	PR6423/011-130 CON021
SIEMENS	6ES7332-5HF00-0AB0	EMERSON	PR6423/004-120-CN CON021	EMERSON	PR6423/011-010 CON021
SIEMENS	6ES7322-1BL00-0AA0	EMERSON	PR6423/004-111 CON041	EMERSON	PR6423/010-140 CON021
SIEMENS	6ES7153-1AA03-0XB0	EMERSON	PR6423/100-141 CON041	EMERSON	PR6423/010-130 CON021
SIEMENS	6ES7331-7KF02-0AB0	EMERSON	PR6423/013-130 CON021	EMERSON	PR6423/010-110 CON021
SIEMENS	6ES7321-1BL00-0AA0	EMERSON	PR6423/013-010 CON021	EMERSON	PR6424/000-101 CON031
SIEMENS	6ES7972-0BB42-0XA0	EMERSON	PR6423/012-130 CON021	EMERSON	PR6423/010-100-CN CON021
SIEMENS	6ES7953-8LL31-0AA0	EMERSON	PR6423/012-100 CON011	EMERSON	PR6423/010-040 CON021
SIEMENS	6ES7392-1AJ00-0AA0	EMERSON	PR6423/012-010 CON021	EMERSON	PR6423/010-030 CON021
SIEMENS	6ES7392-1AM00-0AA0	EMERSON	PR6423/011-131 CON031	EMERSON	PR6423/010-020-CN CON021

Digital Module Diagnostics Functionality

The diagnostic capabilities of Siemens digital modules provide critical fault detection through the SF (System Fault) LED indicator. When operational errors occur, the SF LED illuminates to alert technicians to potential issues within the module. This group error LED remains active until all detected fault conditions are fully resolved and cleared from the system.

Notably, the SF LED activation occurs regardless of the CPU's operational state, including during power-up sequences (POWER ON). The indicator responds to various error types, including external faults such as short-circuits in the sensor supply wiring. This immediate visual feedback enables rapid troubleshooting of power distribution problems affecting connected field devices.

The diagnostic system covers both internal module faults and external wiring issues, with the SF LED behavior providing clear status indication. When sensor supply voltages experience abnormalities or short-circuit conditions develop, the LED triggers even before full system initialization completes. This failsafe design ensures technicians receive prompt notification of critical electrical faults that could impact process reliability or equipment safety.

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