The 6ES7231-7PB22-0XA8 Siemens Analog Input Module is a dedicated analog input expansion module designed specifically for the S7-200 CN PLC system. This module is compatible exclusively with S7-22X series CPUs, providing a focused solution for precise temperature and resistance measurement applications. Its design underscores Siemens' commitment to delivering specialized hardware for targeted industrial automation tasks, ensuring reliable integration within its designated controller ecosystem.

A key feature of the Siemens Analog Input EM 231 6ES7231-7PB22-0XA8 is its support for two high-resolution analog inputs. These inputs are engineered to connect directly to a wide range of sensors, including multiple types of resistance thermometers (Pt100 to Pt10000, Ni100, Ni120, Cu10) and standard resistance inputs up to 600 ohms. This versatility makes the 6ES7231-7PB22-0XA8 CPU Siemens Controller Module a highly adaptable component for various process monitoring scenarios.

In terms of performance, the Siemens SIMATIC S7-200  6ES7231-7PB22-0XA8 offers excellent measurement precision, boasting a resolution of 15 bits plus sign. This translates to fine-grained temperature readings with a resolution of 0.1°C or 0.1°F, which is crucial for applications demanding accurate thermal monitoring and control. The module's typical power loss is a low 1.8W, contributing to energy-efficient system design.

The module carries CE approval, confirming its compliance with essential health, safety, and environmental protection standards for the European market. With compact dimensions, the Analog Input Module SIEMENS 6ES7231-7PB22-0XA8 facilitates space-saving cabinet layouts. Overall, it represents a reliable and precise choice for integrating high-accuracy temperature and resistance measurement into S7-200 CN based control systems.