6ES7231 5ND32 0XB0 Siemens SM 1231 4AI
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Description
The 6ES7231 5ND32 0XB0 Siemens SM 1231 4AI is the SIMATIC S7-1200 series Analog input Module, The SM 1231 Module has 4 AI, +/-10 V, +/-5 V, +/-2.5 V, +/-1.25 or 0-20 mA/4-20 mA, 15 bit +sign bit, The part number 6ES7231-5ND32-0XB0 refers to a Siemens S7-1200 Analog Input Module. This module is part of the Siemens SIMATIC S7-1200 series, which is widely used for small to medium-sized automation projects. If need the Simatic s7 1200 analog input Module you can contact us via email/WhatsApp: +8801713722455, for details go to the download manual SM1231 AI4 Here’s a breakdown of what this specific module offers:
Key Features 6ES7231 5ND32 0XB0 Siemens SM 1231 4AI
- Analog Input Channels: The module provides 8 analog input channels. These inputs are typically used to measure signals from sensors, such as temperature, pressure, or flow sensors, which provide data in the form of voltage or current.
- Input Signal Types: The module supports various analog input types, including:
- Voltage signals (e.g., 0-10V)
- Current signals (e.g., 4-20mA)
- High Resolution: The module offers high-resolution analog-to-digital conversion, allowing for precise measurement and control in automation processes.
- Integration with S7-1200 PLC: It is designed to seamlessly integrate with the S7-1200 PLC, enabling the expansion of analog input capabilities in a modular and flexible way.
| General information | |
| Product type designation | SM 1231, AI 4×16 bit |
| Supply voltage | |
| Rated value (DC) | 24 V |
| Input current | |
| Current consumption, typ. | 65 mA
80 mA |
| from backplane bus 5 V DC, typ. | |
| Power loss | |
| Power loss, typ. | 1.8 W |
| Analog inputs | |
| Number of analog inputs | 4; Current or voltage differential inputs |
| permissible input voltage for voltage input (destruction limit), | ±35 V |
| max. | |
| permissible input current for current input (destruction limit), | 40 mA |
| max. | |
| Cycle time (all channels) max. | 100 µs |
| Input ranges | |
| ● Voltage | Yes; ±10V, ±5V, ±2.5V or ±1.25V |
| ● Current | Yes; 4 to 20 mA, 0 to 20 mA |
| ● Thermocouple | No |
| ● Resistance thermometer | No |
| ● Resistance | No |
| Input ranges (rated values), voltages | |
| ● -1.25 V to +1.25 V | Yes |
| ● -10 V to +10 V | Yes |
| — Input resistance (-10 V to +10 V) | ≥1 MOhm |
| ● -2.5 V to +2.5 V | Yes |
| — Input resistance (-2.5 V to +2.5 V) | ≥1 MOhm |
| ● -5 V to +5 V | Yes |
| — Input resistance (-5 V to +5 V) | ≥1 MOhm |
| Input ranges (rated values), currents | |
| ● 0 to 20 mA
● 4 mA to 20 mA |
Yes |
| Analog value generation for the inputs | |
| Integration and conversion time/resolution per channel | |
| ● Resolution with overrange (bit including sign), max.
● Integration time, parameterizable ● Interference voltage suppression for interference frequency f1 in Hz |
15 bit; + sign Yes
40 dB, DC to 60 V for interference frequency 50 / 60 Hz |
| Smoothing of measured values | |
| ● parameterizable | Yes |
| ● Step: None
● Step: low ● Step: Medium ● Step: High |
Yes
|
| Errors/accuracies | |
| Temperature error (relative to input range), (+/-) | 25 °C ±0.1% / ±0.3% total measurement range |
| Basic error limit (operational limit at 25 °C) | |
| ● Voltage, relative to input range, (+/-)
● Current, relative to input range, (+/-) |
0.1 %
0.1 % |
| Interference voltage suppression for f = n x (f1 +/- 1 %), f1 = interference frequency | |
| ● Common mode voltage, max. | 12 V |
| Interrupts/diagnostics/status information | |
| Alarms | Yes
Yes |
| Diagnostics function | |
| Alarms | |
| ● Diagnostic alarm | Yes |
| Diagnoses | |
| ● Monitoring the supply voltage
● Wire-break |
Yes
Yes |
| Diagnostics indication LED | |
| ● for status of the inputs
● for maintenance |
Yes
Yes |
| Degree and class of protection | |
| IP degree of protection | IP20 |
| Standards, approvals, certificates | |
| CE mark |
Yes |
| CSA approval | |
| UL approval | |
| cULus | |
| FM approval | |
| RCM (formerly C-TICK) | |
| KC approval | |
| Marine approval | |
| Ambient conditions | |
| Free fall | |
| ● Fall height, max. | 0.3 m; five times, in product package |
| Ambient temperature during operation | |
| ● min.
● max. ● horizontal installation, min. ● horizontal installation, max. ● vertical installation, min. ● vertical installation, max. |
-20 °C
60 °C -20 °C 60 °C -20 °C 50 °C |
| Ambient temperature during storage/transportation | |
| ● min.
● max. |
-40 °C
70 °C |
| Air pressure acc. to IEC 60068-2-13 | |
| ● Operation, min.
● Operation, max. ● Storage/transport, min. ● Storage/transport, max. |
795 hPa
1 080 hPa 660 hPa 1 080 hPa |
| Relative humidity | |
| ● Operation at 25 ℃ without condensation, max. | 95 % |
| Pollutant concentrations | |
| ● SO2 at RH < 60% without condensation | S02: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free |
| connection method | |
| required front connector | Yes |
| Mechanics/material | |
| Enclosure material (front)
● Plastic |
Yes |
| Dimensions | |
| Width | 45 mm
100 mm 75 mm |
| Height | |
| Depth | |
| Weights | |
| Weight, approx. | 180 g |
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