Siemens 6ES7231-5PD32-0XB0 SIMATIC S7-1200, SM 1231 RTD Analog Input Module Original Brand New
$260.00
High-performance SM 1231 RTD analog input module designed for the SIMATIC S7-1200 PLC series. It features 4 high-precision inputs for resistance temperature detectors (RTD), providing reliable temperature measurement for industrial automation.
Availability: In stock
Overview
The Siemens S7‑1200 6ES7231‑5PD32‑0XB0 is a dedicated analog input module from the SIMATIC S7‑1200 family engineered for precise temperature acquisition using resistance temperature detectors (RTDs). With 4 high‑resolution RTD inputs, this module expands your PLC’s capability to interface directly with commonly used sensors such as Pt100, Pt1000, Ni100, and others.
Ideal for industrial automation, the module integrates seamlessly with your S7‑1200 controller via the backplane bus and supports intuitive configuration using Siemens TIA Portal software. Its robust design and comprehensive diagnostics make it an essential component for temperature monitoring and control applications.
Key Benefit
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High Precision: Offers accurate temperature data acquisition with minimal interference.
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Scalability: Easily expand your S7-1200 system as your automation needs grow.
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Versatility: Supports various RTD sensor types (Pt100, Pt1000, Ni100, etc.).
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Seamless Integration: Fully compatible with TIA Portal for easy configuration and diagnostics.
Functions & Features
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4 Analog Inputs: Specifically calibrated for RTD sensors and resistance measurement.
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Diagnostic Functions: Built-in LEDs for error detection and channel status.
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Resolution: 15 bits + sign, ensuring high-resolution data for sensitive applications.
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Compact Form Factor: Matches the S7-1200 design for a uniform control cabinet layout.
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| Weight | 0.207 kg |
|---|---|
| Dimensions | 8.80 × 10.90 × 5.60 mm |
| Brand | SIEMENS |
| Product type designation | SM 1231, AI 4×16 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 | 4; 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 | 45 mm |
| Height | 100 mm |
| Depth | 75 mm |
| Weight, approx. | 220 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 |
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