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- 6ES7231-4HF32-0XB0
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We provide 1 year warranty for all remaining parts.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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Technical specifications for 6ES7231-4HF32-0XB0
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Product Model6ES7231-4HF32-0XB0
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Spare ModelSM 1231
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Product ParametersSM 1231 Analog Input Module
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Tariff Code8537101190
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Country of originGermany
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Place of shipmentXiamen, China
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In stock1 unit
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Estimated Shipping Size4.5x7.5x10cm
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ManufacturerSiemens
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Weight0.2 kg
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Product type designationSM 1231, AI 8x13 bit
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Rated value (DC)24 V
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Current consumption, typ60 mA
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from backplane bus 5 V DC, typ90 mA
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Power loss, typ1.5 W
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Number of analog inputs8; Current or voltage differential inputs
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Cycle time (all channels) max625 µs
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Voltage Yes±10V, ±5V, ±2.5V
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Current Yes4 to 20 mA, 0 to 20 mA
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Temperature error25 °C ±0.1%, to 55 °C ±0.2% total measurement range
Description
The 6ES7231-4HF32-0XB0 is an analog input signal module (SM 1231) for the SIMATIC S7-1200 programmable controller family. The 6ES7231-4HF32-0XB0 provides 8 analog input channels for converting external analog process signals into digital values that the S7-1200 CPU can process, enabling precise monitoring and control of industrial automation applications.
The 6ES7231-4HF32-0XB0 supports multiple input types including voltage and current differential inputs. For voltage measurements, the 6ES7231-4HF32-0XB0 accepts input ranges of ±10 V, ±5 V, and ±2.5 V, with an input resistance of ≥9 MΩ across all voltage ranges. For current measurements, the 6ES7231-4HF32-0XB0 supports 0-20 mA and 4-20 mA ranges with an input resistance of 280 Ω. The 6ES7231-4HF32-0XB0 also supports resistance measurement functionality.
For high-precision signal acquisition, the 6ES7231-4HF32-0XB0 features a resolution of 12 bits including sign, implemented through a 13-bit ADC. The 6ES7231-4HF32-0XB0 achieves a maximum cycle time of 625 µs for all channels, ensuring fast and responsive analog data acquisition. The 6ES7231-4HF32-0XB0 includes parameterizable integration time with effective interference voltage suppression of 40 dB for DC to 60 V at interference frequencies of 50/60 Hz.
The 6ES7231-4HF32-0XB0 supports multiple input types including voltage and current differential inputs. For voltage measurements, the 6ES7231-4HF32-0XB0 accepts input ranges of ±10 V, ±5 V, and ±2.5 V, with an input resistance of ≥9 MΩ across all voltage ranges. For current measurements, the 6ES7231-4HF32-0XB0 supports 0-20 mA and 4-20 mA ranges with an input resistance of 280 Ω. The 6ES7231-4HF32-0XB0 also supports resistance measurement functionality.
For high-precision signal acquisition, the 6ES7231-4HF32-0XB0 features a resolution of 12 bits including sign, implemented through a 13-bit ADC. The 6ES7231-4HF32-0XB0 achieves a maximum cycle time of 625 µs for all channels, ensuring fast and responsive analog data acquisition. The 6ES7231-4HF32-0XB0 includes parameterizable integration time with effective interference voltage suppression of 40 dB for DC to 60 V at interference frequencies of 50/60 Hz.
Information
Overview
Manuals
Application Notes
Product Applications
Mechanical Insertion
Features:
- 8-Channel Analog Input with Differential Inputs
- Multiple Voltage and Current Input Ranges
- 12-Bit Plus Sign Resolution with Fast Conversion
- Comprehensive Diagnostics and Alarm Functions
The 6ES7231-4HF32-0XB0 supports multiple analog input ranges to accommodate diverse industrial sensors and transmitters. For voltage inputs, the 6ES7231-4HF32-0XB0 supports ±10V, ±5V, and ±2.5V ranges with input resistance ≥9 MΩ. For current inputs, the 6ES7231-4HF32-0XB0 supports 4-20 mA and 0-20 mA ranges with 280 Ω input resistance. The 6ES7231-4HF32-0XB0 does not support thermocouple or resistance thermometer inputs but does support resistance measurement. The 6ES7231-4HF32-0XB0 features a permissible input voltage destruction limit of maximum 35 V for voltage inputs and a permissible input current destruction limit of maximum 40 mA for current inputs, providing robust protection against overvoltage and overcurrent conditions.
The 6ES7231-4HF32-0XB0 SIEMENS SIMATIC S7-1200, Analog input, SM 1231 may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
SIEMENS 6ES7231-4HF32-0XB0 SIMATIC S7-1200, Analog input, SM 1231 Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
The 6ES7231-4HF32-0XB0 delivers high-resolution analog-to-digital conversion with 12-bit plus sign resolution per channel. The 6ES7231-4HF32-0XB0 achieves a maximum cycle time of 625 µs for all channels, ensuring rapid signal acquisition for time-critical control applications. The 6ES7231-4HF32-0XB0 features parameterizable integration time with interference voltage suppression of 40 dB for DC to 60 V at 50/60 Hz interference frequencies. The 6ES7231-4HF32-0XB0 offers parameterizable smoothing of measured values with four selectable steps: None, Low, Medium, and High, allowing users to optimize signal stability based on application requirements.
For accuracy and error performance, the 6ES7231-4HF32-0XB0 achieves a basic error limit of ±0.1% relative to the input range for both voltage and current at 25°C. The 6ES7231-4HF32-0XB0 temperature error is ±0.1% at 25°C and ±0.2% total measurement range up to 55°C. The 6ES7231-4HF32-0XB0 supports common mode voltage up to 12 V with effective interference suppression for frequencies f = n × (f1 ± 1%) where f1 is the interference frequency.
- Chemical/Petrochemical: Monitors thermal reactions in reactors, cracking units, and distillation columns via RTDs/thermocouples
- Food/Beverage: Regulates pasteurization, ovens, and refrigeration for product safety and shelf life
- Power/Utilities: Tracks boiler, turbine bearing, and heat exchanger temperatures to prevent overheating
- Automotive/Metal: Provides feedback in heat-treatment furnaces, casting molds, and paint lines under noisy conditions
- HVAC/Cleanroom: Regulates chambers, semiconductor lines, and pharma facilities requiring stable ambient conditions
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Power Off: Disconnect all power from the CPU and existing modules before installing.
Mounting: Snap the module onto a standard 35 mm DIN rail to the right of the CPU or adjacent SM.
Bus Connection: Slide the built-in bus connector on the left side of the module firmly into the CPU/adjacent module's right-side bus port.
Locking: Push the top and bottom integrated sliders inward to lock the module securely to the DIN rail.
Alternative Names
6ES7231-4HF32-0XBO
6ES7231-4HF32-OXB0
6ES7231-4HF3Z-0XB0
6ES7231-AHF32-0XB0
6ES723I-4HF32-0XB0
6ES7Z31-4HF32-0XB0
6ES7 231-4HF32-0XB0
6ES7 231-4HF32-0XBO
6ES7 231-4HF32-OXB0
6ES7 231-4HF3Z-0XB0
6ES7 231-AHF32-0XB0
6ES7 23I-4HF32-0XB0
6ES7 Z31-4HF32-0XB0
6ES72314HF320XB0
Technical notes
For measurement accuracy, the 6ES7231-4HF32-0XB0 delivers a basic error limit of ±0.1% relative to the input range for both voltage and current at 25°C operational limit. The 6ES7231-4HF32-0XB0 maintains a temperature error of ±0.1% at 25°C and ±0.2% total measurement range at 55°C, ensuring consistent performance across the operating temperature range.
FAQs
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What is the 6ES7231-4HF32-0XB0?
+The SIEMENS 6ES7231-4HF32-0XB0 is a SIMATIC S7-1200 analog input module (SM 1231) featuring 8 inputs. -
What is the digitized analog value range in the PLC?
+Regardless of the resolution of the analog-to-digital converter, the Siemens digitized analog value range is fixed between 0 and 27648. -
Can I connect a 4-20mA current signal directly to this module?
+Yes, but you must configure the hardware in the TIA Portal to accept current instead of voltage, and wire the loop appropriately. If your current loop is sinking, you may need a resistor across the terminals or a signal conditioner. -
What is the resolution of the analog-to-digital converter (ADC)?
+The module uses 12 bits + sign (effectively a 13-bit ADC)
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