High-precision SIMATIC S7-1200 analog input expansion module (SM 1231). Featuring 4 analog inputs with 15-bit resolution (plus sign bit), it supports a versatile range of voltage and current signals, including +/-10 V and 4-20 mA, ensuring seamless sensor integration for your PLC system.
The Siemens SIMATIC S7-1200 SM 1231 Analog Input Module (6ES7231-5ND32-0XB0) is designed to expand the analog input capabilities of SIMATIC S7-1200 PLCs. With 4 high-resolution analog input channels, this module supports a wide range of voltage and current signals, making it ideal for accurate signal acquisition in industrial automation, process control, and machine applications.
Its compact design ensures seamless integration into existing control cabinets while maintaining Siemens’ renowned reliability and performance.
High Precision: 15-bit resolution ensures accurate data acquisition for sensitive industrial processes.
Versatile Interfacing: Easily switch between voltage and current modes without needing multiple specialized modules.
Compact Design: Seamlessly fits onto the right side of any S7-1200 CPU, saving valuable cabinet space.
Industrial Reliability: Built to Siemens’ rigorous standards for long-term durability in harsh environments.
4 Analog Input Channels (AI)
Supported Voltage Ranges:
±10 V
±5 V
±2.5 V
±1.25 V
Supported Current Ranges:
0–20 mA
4–20 mA
Resolution: 15 bit + sign bit
High measurement accuracy and stability
Designed for SIMATIC S7-1200 automation systems
Easy configuration using Siemens TIA Portal
Product Number: 6ES7231-5ND32-0XB0
Series: SIMATIC S7-1200
Module Type: SM 1231
Analog Inputs: 4 AI
Signal Types: Voltage & Current
Resolution: 15 bit + sign bit
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| SKU / Model | 6ES7231-5ND32-0XB0 |
|---|---|
| Product Condition | Brand New, New - Backlog, New - No Original Box, New - Original Box Opened, Used - Average, Used - Below Average, Used - Excellent, Used - Fairly Good, Used - Good, Used - Poor, Used - Very Good |
| Weight | 0.18 kg |
| Dimensions | 75 × 45 × 100 mm |
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