Siemens 6ES7231-5QF32-0XB0

Siemens 6ES7231-5QF32-0XB0 | SM 1231 TC Analog Input Module for SIMATIC S7-1200

Overview

The Siemens 6ES7231-5QF32-0XB0 is an SM 1231 TC analog input module designed for the SIMATIC S7-1200 automation system. It provides 8 analog inputs for thermocouples, supporting a variety of types including J, K, T, E, R, S, N, C, and TXK/XK(L). With a 15-bit resolution and an input range of ±80 mV, this module ensures precise temperature measurements. Its compact design and DIN rail mounting make it ideal for industrial applications requiring accurate thermal monitoring.

Key Features

• Analog Inputs: 8 channels for thermocouples

• Supported Thermocouple Types: J, K, T, E, R, S, N, C, TXK/XK(L)

• Resolution: 15-bit for high-precision measurements

• Input Voltage Range: ±80 mV

• Cold Junction Compensation: Integrated for accurate temperature readings

• Diagnostic Functions: Wire break detection, status LEDs for input channels

• Mounting: DIN rail

• Compatibility: Designed for use with SIMATIC S7-1200 CPUs (except CPU 1211C)

Technical Specifications

• Catalog Number: 6ES7231-5QF32-0XB0

• Input Voltage: 24 V DC

• Current Consumption:

  • From backplane bus: Max. 80 mA

  • From 24 V DC supply: Typ. 40 mA

• Power Loss: Typ. 1.5 W

• Input Resistance: ≥1 MΩ

• Temperature Measurement Units: Selectable between °C and °F

• Accuracy:

  • At 25°C: ±0.1%

  • Up to 55°C: ±0.2%

• Operating Temperature Range: -20°C to +60°C

• Protection Class: IP20

• Dimensions (W x H x D): 45 mm x 100 mm x 75 mm

• Weight: Approx. 220 g

• Certifications: CE, RoHS compliant

• Country of Origin: China

• EAN: 6940408101906

• UPC: 887621424732

Applications

• Industrial Temperature Monitoring: Precise measurement in manufacturing processes

• HVAC Systems: Monitoring and controlling heating, ventilation, and air conditioning

• Food and Beverage Industry: Ensuring proper temperature control during processing

• Pharmaceutical Manufacturing: Maintaining required environmental conditions

• Laboratory Equipment: Accurate thermal data acquisition for experiments

Why Choose the 6ES7231-5QF32-0XB0?

• High Precision: 15-bit resolution ensures accurate temperature readings

• Versatility: Supports multiple thermocouple types for various applications

• Integrated Diagnostics: Facilitates maintenance and troubleshooting

• Compact Design: Saves space in control panels

• Seamless Integration: Easily connects with SIMATIC S7-1200 systems

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