Siemens 6ES7231-7PB21-0XA0 SIMATIC S7-200 Analog Input Module Item NO.: 2867117

Siemens 6ES7231-7PB21-0XA0 SIMATIC S7-200 Analog Input Module 

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➤Product Specifications

Product Model: 6ES7231-7PB21-0XA0

Type: SIMATIC S7-200 Analog Input Module

Manufacturer: Siemens

Place of shipment:Xiamen, China

Delivery Time: 1-3 days

Quantity: 100% New Original

Minimum Order Quantity: 1pc

Shipping Method: DHL\UPS\Fedex\EMS\Others

Compatibility: Designed exclusively for SIMATIC S7-200 (S7-22X series) CPUs.

Input Channels: 2 Analog Inputs (2AI).

Resistance: 150 Ω, 300 Ω, 600 Ω.

Resolution: 15 Bits + Sign

The Siemens 6ES7231-7PB21-0XA0 SIMATIC S7-200 EM 231 RTD Analog Input Module is a temperature and resistance 

measurement module designed for precise signal acquisition in S7-200 PLC systems.This module provides 2 analog 

input channels (2AI) and is specifically designed for use with S7-22X CPU systems. It supports a wide range of RTD 

sensor types including PT100, PT200, PT500, PT1000, and PT10000, as well as NI100, NI120, NI1000, and CU10 

sensors, making it highly flexible for temperature measurement applications.In addition to RTD inputs, the module also 

supports resistance measurement ranges of 150 Ω, 300 Ω, and 600 Ω. It features a high-resolution 15-bit plus sign analog 

conversion, ensuring precise signal interpretation and stable measurement accuracy in process environments.

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Q: What warranty do you offer?

A: All products come with a 1-year warranty for your peace of mind.

Q: How long does delivery take?

A: Usually within 1–3 business days.

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— we will do our best to match it and support you.

Q: How do you handle shipping?

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Q: What are the payment terms?

A: Payments are typically made via T/T.

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