SIEMENS
Siemens 6ES7231-4HF32-0XB0 SIMATIC S7-1200, Analog Input Module, SM 1231, 8 AI Original Brand New
SIMATIC S7-1200 Analog Input Module SM 1231 with 8 AI channels, supporting +/-10 V, +/-5 V, +/-2.5 V, 0-20 mA/4-20 mA signals, 12-bit+sign or 13-bit ADC for precise industrial automation.
- ConditionOriginal Brand New
- Warranty12 months
- Genuine Products
- Up to 1-Year Warranty
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Description
Overview
The Siemens 6ES7231-4HF32-0XB0 is a vital component for extending the capability of the SIMATIC S7-1200 compact controller system. Designated as the SM 1231 Analog Input Module, this unit provides 8 high-resolution analog inputs (AI), allowing the S7-1200 PLC to accurately interface with complex analog signals from various field devices, such as temperature sensors, pressure transducers, and flow meters. Its versatility in handling multiple signal ranges (voltage and current) makes it an essential module for diverse industrial automation applications requiring precision and reliability.
Key Features & Function
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8 analog input channels for versatile signal acquisition.
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Supports voltage inputs: +/-10 V, +/-5 V, +/-2.5 V.
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Supports current inputs: 0-20 mA, 4-20 mA.
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High-resolution ADC: 12-bit+sign or 13-bit for precise measurement.
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Seamless integration with SIMATIC S7-1200 PLC systems.
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Compact and durable design for industrial environments.
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Ideal for automation, process control, and data acquisition applications.
Benefit
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High Accuracy: Advanced ADC ensures reliable and precise measurements.
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Flexible Signal Compatibility: Handles both voltage and current signals with multiple ranges.
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Easy Integration: Directly connects with SIMATIC S7-1200 PLC for efficient automation.
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Industrial Reliability: Robust design withstands harsh factory conditions.
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Enhanced Productivity: Accurate analog input data improves control and decision-making.
Application
This module is perfectly suited for:
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Process Control: Monitoring and controlling variables like temperature, level, pressure, and flow in chemical, food & beverage, and pharmaceutical industries.
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Machine Automation: Integrating sensors for quality control, material thickness measurement, or positioning feedback.
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Energy Monitoring: High-resolution data acquisition for energy management systems.
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Specifications
| SKU / Model | 6ES7231-4HF32-0XB0 |
|---|---|
| Brand | SIEMENS |
| Product type designation | SM 1231, AI 8x13 bit |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 45 mA |
| from backplane bus 5 V DC, typ. | 90 mA |
| Power loss, typ. | 1.5 W |
| Number of analog inputs | 8; Current or voltage differential inputs |
| permissible input voltage for voltage input (destruction limit), max. | 35 V |
| permissible input current for current input (destruction limit), max. | 40 mA |
| Cycle time (all channels) max. | 625 µs |
| ● Voltage | Yes; ±10V, ±5V, ±2.5V |
| ● Current | Yes; 4 to 20 mA, 0 to 20 mA |
| ● Thermocouple | No |
| ● Resistance thermometer | No |
| ● Resistance | Yes |
| ● -10 V to +10 V | Yes |
| — Input resistance (-10 V to +10 V) | ≥9 MOhm |
| ● -2.5 V to +2.5 V | Yes |
| — Input resistance (-2.5 V to +2.5 V) | ≥9 MOhm |
| ● -5 V to +5 V | Yes |
| — Input resistance (-5 V to +5 V) | ≥9 MOhm |
| ● 0 to 20 mA | Yes |
| — Input resistance (0 to 20 mA) | 280 Ω |
| ● 4 mA to 20 mA | Yes |
| — Input resistance (4 mA to 20 mA) | 280 Ω |
| — parameterizable | No |
| ● Resolution with overrange (bit including sign), max. | 12 bit; + sign |
| ● Integration time, parameterizable | Yes |
| ● Interference voltage suppression for interference frequency f1 in Hz | 40 dB, DC to 60 V for interference frequency 50 / 60 Hz |
| ● parameterizable | Yes |
| ● Step: None | Yes |
| ● Step: low | Yes |
| ● Step: Medium | Yes |
| ● Step: High | Yes |
| Temperature error (relative to input range), (+/-) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| ● Voltage, relative to input range, (+/-) | 0.1 % |
| ● Current, relative to input range, (+/-) | 0.1 % |
| ● Common mode voltage, max. | 12 V |
| Alarms | Yes |
| Diagnostics function | Yes |
| ● Diagnostic alarm | Yes |
| ● Monitoring the supply voltage | Yes |
| ● Wire-break | Yes |
| ● for status of the inputs | Yes |
| ● for maintenance | Yes |
| IP degree of protection | IP20 |
| CE mark | Yes |
| CSA approval | Yes |
| UL approval | Yes |
| cULus | Yes |
| FM approval | Yes |
| RCM (formerly C-TICK) | Yes |
| KC approval | Yes |
| Marine approval | Yes |
| ● Fall height, max. | 0.3 m; five times, in product package |
| ● horizontal installation, min. | -20 °C |
| ● horizontal installation, max. | 60 °C |
| ● vertical installation, min. | -20 °C |
| ● vertical installation, max. | 50 °C |
| ● min. | -40 °C |
| ● max. | 70 °C |
| ● Operation, min. | 795 hPa |
| ● Operation, max. | 1 080 hPa |
| ● Storage/transport, min. | 660 hPa |
| ● Storage/transport, max. | 1 080 hPa |
| ● Operation at 25 ℃ without condensation, max. | 95 % |
| ● SO2 at RH < 60% without condensation | S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free |
| required front connector | Yes |
| Enclosure material (front) | - |
| ● Plastic | Yes |
| Width | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weight, approx. | 180 g |
| last modified: | 2/26/2021 |
| 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 | 0.212 kg |
| Dimensions | 8.80 × 10.30 × 5.80 mm |
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