SIEMENS
Siemens 6ES7231-4HF32-0XB0 S7-1200 SM1231 8AI Analog Input Module
Siemens 6ES7231-4HF32-0XB0 S7-1200 SM1231 8AI Analog Input Module
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Siemens 6ES7231-4HF32-0XB0 SIMATIC S7-1200 SM1231 Module
| Specification | Verified Product Data |
|---|---|
| Manufacturer | Siemens |
| Catalog Number | 6ES7231-4HF32-0XB0 |
| Product Family | SIMATIC S7-1200 |
| Product Series | SM 1231 |
| Product Type | Analog Input Signal Module |
| Module Designation | SM 1231 AI 8 x 13 bit |
| Analog Inputs | 8 Channels |
| Input Signal Type | Differential Voltage / Current |
| Voltage Input Ranges | ±10 V / ±5 V / ±2.5 V |
| Current Input Ranges | 0-20 mA / 4-20 mA |
| Analog Resolution | 12-bit + Sign (13-bit ADC) |
| Rated Supply Voltage | 24 V DC |
| Backplane Bus Consumption | 60 mA typical at 5 V DC |
| Maximum Cycle Time | 625 µs, all channels |
| Maximum Permissible Voltage Input | 35 V |
| Maximum Permissible Current Input | 40 mA |
| Product Net Weight | 0.187 kg |
| Packaging Dimensions | 8.90 x 10.60 x 5.70 cm |
| Packaging Quantity | 1 Piece |
| Country of Origin | Germany |
| Current Manufacturer Lifecycle | PM300 - Active Product |
| Announced Phase-out Date | November 1, 2026 |
Product Overview
The Siemens 6ES7231-4HF32-0XB0 is a SIMATIC S7-1200 SM 1231 analog input signal module designed for analog signal acquisition in Siemens S7-1200 PLC systems. This module provides 8 differential analog input channels with a 12-bit plus sign-bit (13-bit ADC) resolution. It supports selectable voltage input ranges of ±10 V, ±5 V and ±2.5 V and industrial current input ranges of 0-20 mA and 4-20 mA. The module has a rated 24 V DC supply voltage and allows connection of compatible voltage and current analog field signals for processing within a SIMATIC S7-1200 system. The combined eight-channel design supports applications that require analog measurement and PLC-based process monitoring. The manufacturer's catalog currently lists this module as an active product, with a scheduled phase-out date of November 1, 2026. Supplied packaging photographs show the exact Siemens catalog number 6ES7231-4HF32-0XB0. The physical module nameplate has not yet been photographed. Confirm the input signal range, module hardware version, wiring method, power supply and S7-1200 system compatibility before installation.
Key Product Features
- SIMATIC S7-1200 Expansion Module — Siemens SM 1231 analog input signal module.
- 8 Analog Input Channels — Eight differential voltage/current analog inputs.
- 13-Bit ADC Resolution — 12-bit plus sign-bit analog conversion.
- Selectable Voltage Ranges — Supports ±10 V, ±5 V and ±2.5 V.
- Industrial Current Inputs — Supports 0-20 mA and 4-20 mA signals.
- 24 V DC Supply — Rated DC module power supply.
- Analog Signal Acquisition — Processes compatible analog field signals for S7-1200 controllers.
- Siemens SM 1231 Series — Part of the SIMATIC S7-1200 analog I/O portfolio.
- Actual Packaging Photography — Supplied carton photos show the exact Siemens catalog number.
- In Stock — Available according to the supplied inventory information.
Actual Product Verification
In Stock & Available to Order
Siemens 6ES7231-4HF32-0XB0 is in stock according to the supplied inventory information. This SIMATIC S7-1200 SM1231 analog input module provides 8 analog input channels with 13-bit ADC resolution and supports multiple industrial voltage and current input ranges. Actual packaging photographs are available for catalog-number checking. Please confirm the exact module, required quantity, compatible input signals, available stock and dispatch arrangements before placing an order. For long-term projects, review the manufacturer's announced phase-out date of November 1, 2026. Contact YINGZHOU for multiple units, replacement sourcing and mixed-brand industrial automation purchasing requirements.
Siemens 6ES7231-4HF32-0XB0
Contact us for exact-model verification, available quantities and bulk pricing. Please confirm the S7-1200 system, 8 analog input channels, voltage/current signal ranges and 24 V DC supply before ordering.
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