Siemens 6ES7321-7BH01-0AB0

SIMATIC S7-300, Digital input SM 32

Condition

Repair

Unavailable

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The 6ES7321-7BH01-0AB0 from Siemens is a digital input module designed for the SIMATIC S7-300 series. This module features 16 isolated digital inputs operating at 24 V DC, making it suitable for a wide range of industrial automation applications. With a single 20-pole connection interface, the 6ES7321-7BH01-0AB0 offers reliable signal acquisition and supports process interrupts for efficient event-driven control. Integrated diagnostics help minimize downtime by enabling easy error detection, and the module is fully compatible with isochronous mode for applications requiring precise timing.

Large stock ensures the 6ES7321-7BH01-0AB0 is available for rapid delivery, reducing production downtime.
Available as a refurbished product with Siemens quality and a standard 2-year warranty, supporting sustainability and cost efficiency.
Proven reliability meets the high demands of project managers and production leaders in industrial environments.

The 6ES7321-7BH01-0AB0 is engineered with robust materials designed to withstand continuous operation in demanding production settings. Its isolated input channels enhance operational safety and system integrity. For installation, simply connect the module to your existing S7-300 rack and integrate it into your automation system using the 20-pole connector.

SIMATIC S7-300, Digital input SM 321, isolated, 16 DI; 24 V DC, 1x 20-pole, process interrupt, diagnostics, suitable for isochronous mode

General

Manufacturer:

Siemens

Brands:

Siemens

Range:

Simatic S7

Subrange:

S7-300

Type of product:

Digital modules

Supply voltage:

20,4-28,8V DC

PLM

Product phase:

Phase-Out

Predecessor:

6ES7321-7BH00-0AB0

PLC

Supply voltage:

20,4-28,8V DC

Digital inputs:

Logistics

Dimensions (cm):

4,00 x 12,00 x 12,50

Weight:

0.20kg

Commodity Code:

85389091

Export Control Regulations (ECCN):

EAR99

Downloads

Datasheet 6ES7321-7BH01-0AB0 104.74 kB

When you choose JCertified refurbished electronics, you save on water, raw materials, and CO₂ needed for the production of new electronics. Check below to see exactly how much you save with this specific refurbished product:

CO2 eq

-72%

Resource use minerals and metals

-95%

Water use

-83%

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Yes, under certain conditions. Contact the Sales team via sales@jc-electronics.com for more information.

Why should I choose JC-Electronics?

You can rely on a stock of 300,000 pieces of industrial electronics from leading top-quality brands, both new and refurbished. Therefore, you can also find drives, PLCs, HMIs, and industrial PCs that are no longer produced with us. You always get a 2-year warranty. Additionally, refurbished products are circular, helping you reduce your ecological footprint. Good to know: New products and tested refurbished products ordered before 16:00 CET are shipped the same day.

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All products are thoroughly cleaned, defects are repaired, and weak elements are proactively replaced. If they pass the endurance test, the products can be sold. You can recognize them by the JCertified warranty seal. The entire process has received the RecQ quality mark from DEKRA and the ISO14001:2015 certificate

How much warranty do I get on a product?

You always get a 2-year warranty on products, both refurbished and new. This is twice as much as the standard factory warranty from many manufacturers.

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New and tested refurbished products from our stock are always available immediately. Untested and non-refurbished products undergo a thorough refurbishment and an extensive testing procedure before shipment.

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Yes, you can. With an urgent repair, your product will be repaired within 3 working days. Contact the Sales team via sales@jc-electronics.com for this.

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There are several reasons to purchase a refurbished product. For example, because electronics are no longer made and are hard to get new. But also because refurbished is a sustainable choice, reducing your organization's ecological footprint. Whatever the reason, you always get a 2-year warranty on both refurbished and new electronics at JC-Electronics.