This product listing is for the part 6ES7231-4HF50-0XB0, manufactured by Siemens, and is a SM 1231 analog input signal module for SIMATIC S7-1200 G2; 8 analog inputs, selectable differential voltage/current inputs, 14-bit ADC per channel..

This product is currently out of stock.

Returns are accepted within 30 days if the item(s) received are not what was ordered or are broken.

Part Specifications:
- Number of inputs: 8 count
- Module type: Analog input (SM 1231)
- Supported signal types: Voltage or current (differential), selectable in groups of 2
- Input ranges (voltage): ±10 V, ±5 V, ±2.5 V V
- Input ranges (current): 0 to 20 mA, 4 to 20 mA mA
- ADC resolution: 14 bits
- Input impedance (voltage): ≥ 1 MΩ Ω
- Maximum withstand voltage/current: ±35 V / ±40 mA V / mA
- Operational signal common-mode range: Signal plus common mode must be < +12 V and > -12 V V
- Cable length (recommended): 100 m (twisted and shielded) m
- Noise rejection (selectable): 400, 60, 50, or 10 Hz Hz
- Open wire detection: Supported for 4–20 mA range (detects open wire if input below threshold)
- Weight: 180 g
- Power dissipation: Approximately 2.0–2.3 W
- Current consumption (SM Bus): 80–90 mA
- Current consumption (24 V DC): 45–65 mA
- Category (manufacturer): SIMATIC S7-1200 G2 I/O module

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Siemens

6ES7231-4HF50-0XB0

SM 1231 analog input signal module for SIMATIC S7-1200 G2; 8 analog inputs, selectable differential voltage/current inputs, 14-bit ADC per channel.

Specifications

Physical

Weight

180 g

Power dissipation

Approximately 2.0–2.3 W

Current consumption (SM Bus)

80–90 mA

Current consumption (24 V DC)

45–65 mA

Compliance

Category (manufacturer)

SIMATIC S7-1200 G2 I/O module

Technical

Number of inputs

8 count

Module type

Analog input (SM 1231)

Supported signal types

Voltage or current (differential), selectable in groups of 2

Input ranges (voltage)

±10 V, ±5 V, ±2.5 V V

Input ranges (current)

0 to 20 mA, 4 to 20 mA mA

ADC resolution

14 bits

Input impedance (voltage)

≥ 1 MΩ Ω

Maximum withstand voltage/current

±35 V / ±40 mA V / mA

Operational signal common-mode range

Signal plus common mode must be < +12 V and > -12 V V

Cable length (recommended)

100 m (twisted and shielded) m

Noise rejection (selectable)

400, 60, 50, or 10 Hz Hz

Open wire detection

Supported for 4–20 mA range (detects open wire if input below threshold)

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