6ES7231-4HD32-0XB0 - Simatic S7 1200 Analog Input
Siemens 6ES7231-4HD32-0XB0 is an SM 1231 analog input module with four channels supporting voltage current signals configurable industrial applications. This Siemens module provides 4 analog inputs, supports ±10 V and 4–20 mA signals, delivers 13-bit resolution, and operates on a 24 V DC supply with DIN rail mounting. It is part of the Siemens PLC Systems ecosystem under the SIMATIC S7-1200 I/O Modules series.
| Brand | Siemens |
| Product Type | PLC - Programmable logic Controller |
| Series | Simatic S7-1200 |
| SKU / MPN | 6ES7231-4HD32-0XB0 |
Simatic S7 1200 Analog Input 6ES7231-4HD32-0XB0 Technical Specifications:
| Specification | Value |
|---|---|
| Product Description | SIMATIC S7-1200, Analog input, SM 1231, 4 AI, +/-10 V, +/-5 V, +/-2.5 V, or 0-20 mA/4-20 mA, 12 bit+sign (13 bit ADC) |
| Product Family | SM 1231 analog input modules |
| Product Lifecycle (PLM) | PM300:Active Product |
| Net Weight (kg) | 0,161 Kg |
| Packaging Dimension | 9,00 x 11,10 x 6,00 |
| Package Size Unit of Measure | CM |
| Country of Origin | China |
The 6ES7231-4HD32-0XB0 Simatic S7 1200 Analog Input is an SM 1231 analog input module used with SIMATIC S7-1200 PLC systems. This module supports 4 analog input channels, accepts voltage and current signals, operates on 24 V DC supply, and provides 13-bit signal resolution. It belongs to the SIMATIC S7-1200 series and is designed for precise analog signal acquisition in industrial automation environments.
In industrial automation systems, the 6ES7231-4HD32-0XB0 Simatic S7 1200 Analog Input module is applied in conveyors, packaging machines, assembly lines, and process automation panels. It enables stable measurement of analog signals from sensors and transmitters, supporting reliable monitoring and control functions. The defined electrical characteristics help maintain consistent analog data processing across connected S7-1200 PLC installations.
The Siemens 6ES7231-4HD32-0XB0 module combines structured analog input handling, compact mechanical design, and standardized S7-1200 compatibility. Siemens PLC I/O modules are widely adopted for long-term availability and predictable system integration. The 6ES7231-4HD32-0XB0 Simatic S7 1200 Analog Input remains suitable for industrial automation projects requiring dependable analog signal acquisition within SIMATIC S7-1200 architectures.
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