Siemens 6ES7231-5PF32-0XB0 SIMATIC S7-1200 Analog Input SM 1231 RTD 8xAI Module Original Brand New
$401.00
High-performance SM 1231 analog input module for the SIMATIC S7-1200 PLC series. It features 8 dedicated RTD (Resistance Temperature Detector) inputs, providing precise temperature measurement and seamless integration into your industrial automation system.
Availability: In stock
Overview
The Siemens 6ES7231-5PF32-0XB0 is a high-performance SIMATIC S7-1200 analog input module, designed for precise temperature measurement using RTD sensors. The SM 1231 RTD 8xAI module offers reliable and accurate input channels for industrial automation processes, making it an ideal choice for factories, production lines, and process monitoring systems.
This module integrates seamlessly with the S7-1200 PLC series, ensuring efficient data acquisition and control for your automation projects. Built with Siemens’ trusted engineering quality, it guarantees long-term reliability and superior performance.
Key Benefit
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Accurate Measurement: Supports up to 8 RTD channels for precise temperature monitoring.
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Easy Integration: Fully compatible with the SIMATIC S7-1200 PLC system.
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Reliable Performance: Siemens quality ensures long-term stability in industrial environments.
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Scalable & Flexible: Expandable for multiple applications and automation setups.
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Time-Saving Installation: Simplified wiring and setup reduce project downtime.
Function / Features
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Module Type: SM 1231 RTD, analog input module
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Number of Channels: 8 analog inputs (AI) for RTD
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Supported Sensors: Pt100, Pt1000, and other standard RTD types
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Communication: Fully compatible with S7-1200 PLCs
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Operating Voltage: 24 V DC
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Precision: High-resolution analog input for accurate readings
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Diagnostics: Built-in module diagnostics for monitoring and troubleshooting
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| Weight | 0.296 kg |
|---|---|
| Dimensions | 8.80 × 10.40 × 8.40 mm |
| Brand | SIEMENS |
| Product type designation | SM 1231, AI 8×16 bit RTD |
| Rated value (DC) | 24 V |
| Current consumption, typ. | 40 mA |
| from backplane bus 5 V DC, typ. | 80 mA |
| Power loss, typ. | 1.5 W |
| Number of analog inputs | 8; Resistance thermometer |
| permissible input voltage for voltage input (destruction limit), max. | ±35 V |
| Technical unit for temperature measurement adjustable | Degrees Celsius/degrees Fahrenheit |
| ● Voltage | No |
| ● Current | No |
| ● Thermocouple | No |
| ● Resistance thermometer | Yes; Resistance-type transmitter: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000 |
| ● Resistance | Yes; 150 Ω, 300 Ω, 600 Ω |
| ● Cu 10 | Yes |
| — Input resistance (Cu 10) | 10 Ω |
| ● Ni 100 | Yes |
| — Input resistance (Ni 100) | 100 Ω |
| ● Ni 1000 | Yes |
| — Input resistance (Ni 1000) | 1 000 Ω |
| ● LG-Ni 1000 | Yes |
| — Input resistance (LG-Ni 1000) | 1 000 Ω |
| ● Ni 120 | Yes |
| — Input resistance (Ni 120) | 120 Ω |
| ● Ni 200 | Yes |
| — Input resistance (Ni 200) | 200 Ω |
| ● Ni 500 | Yes |
| — Input resistance (Ni 500) | 500 Ω |
| ● Pt 100 | Yes |
| — Input resistance (Pt 100) | 100 Ω |
| ● Pt 1000 | Yes |
| — Input resistance (Pt 1000) | 1 000 Ω |
| ● Pt 200 | Yes |
| — Input resistance (Pt 200) | 200 Ω |
| ● Pt 500 | Yes |
| — Input resistance (Pt 500) | 500 Ω |
| ● 0 to 150 ohms | Yes |
| ● 0 to 300 ohms | Yes |
| ● 0 to 600 ohms | Yes |
| — parameterizable | No |
| Measurement principle | integrating |
| ● Resolution with overrange (bit including sign), max. | 15 bit; + sign |
| ● Integration time, parameterizable | No |
| ● Interference voltage suppression for interference frequency f1 in Hz | 85 dB at 50 / 60 / 400 Hz |
| Temperature error (relative to input range), (+/-) | 25 °C ±0.1%, to 55 °C ±0.2% total measurement range |
| Repeat accuracy in steady state at 25 °C (relative to output range), (+/-) | 0.05 % |
| ● Common mode interference, min. | 120 dB |
| Alarms | Yes |
| Diagnostics function | Yes; Can be read out |
| ● 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 | 70 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weight, approx. | 220 g |
| last modified: | 2/26/2021 |
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