6ES7231-7PB21-0XA0

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Description for 6ES7231-7PB21-0XA0

The Siemens 6ES7231-7PB21-0XA0 is a SIMATIC S7-200 RTD input module designed specifically for integration with S7-22X CPUs. This module features two analog input channels (2AI) and supports a wide range of sensor types, including PT100, PT200, PT500, PT1000, PT10000, NI100, NI120, NI1000, CU10, and resistance measurements at 150, 300, or 600 ohms. With a resolution of 15 bits plus sign, the 6ES7231-7PB21-0XA0 ensures accurate and reliable temperature and resistance data acquisition, making it suitable for demanding industrial automation applications where precision is critical.

Brand: Siemens
Wide compatibility with multiple RTD and resistance sensors for industrial flexibility
High measurement accuracy due to 15-bit resolution plus sign
Optimized for seamless operation with S7-22X CPUs

The 6ES7231-7PB21-0XA0 is constructed for durability and continuous operation in harsh production environments, making it a dependable choice for project managers and production leaders seeking efficient process monitoring. The module is available from stock for fast delivery, and a standard 2-year warranty applies to refurbished units, supporting both sustainability and operational reliability. For integration, simply connect the 6ES7231-7PB21-0XA0 to your compatible S7-22X CPU and follow Siemens installation guidelines to ensure proper sensor configuration and signal accuracy.

SIMATIC S7-200, RTD INPUT MOD. EM 231, FOR S7-22X CPU ONLY, 2AI, PT100/200/500/1000/10000 NI100/120/1000, CU10, RESISTANCE 150/300/600 OHM 15 BIT+ SIGN

JC-Electronics is not an official authorized distributor for Siemens. The original manufacturer's warranty does not apply. Instead, we offer you a 2-year warranty according to our JCertified guidelines.

Positive Results

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%

Specifications

Manufacturer:

Siemens

Range:

Simatic S7

Subrange:

S7-200

Type of product:

Analog modules

Product phase:

Obsolete

Successor:

6ES7231-7PB22-0XA0

Analogue inputs:

Analogue outputs:

Dimensions (cm):

7,60 x 10,20 x 7,60

Weight:

0.10 kg

Commodity Code:

85389091

Export Control Regulations (ECCN):

Product Questions (8)

Can I buy on account at JC-Electronics?

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.

Why can I trust refurbished electronics from JC-Electronics?

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.

Are all products available from stock immediately?

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.

Can I order products urgently?

Yes, you can. New and refurbished products that are ready for shipment will be dispatched the same day if the order is received before 16:00 CET. An express shipment to the Netherlands, Belgium, Luxembourg, Germany, Austria, Switzerland, France, or Italy will arrive the next day. An express shipment to other countries in the European Union takes 2 days. An express shipment to countries outside the European Union takes 3 days.

Can I have products repaired urgently?

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.

Why should I buy refurbished electronics?

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.