Siemens S7-1200 SM1231 Analog Input TC 4AI Module

About Siemens S7-1200 SM1231 Analog Input TC 4AI Module

 Siemens S7-1200, SM1231 Analog Input TC 4AI Module - Accurate Temperature Control for Industrial Applications

The Siemens S7-1200 SM1231 Analog Input TC 4AI Module is designed to provide precise temperature measurement in industrial automation systems. This 4-channel analog input (AI) module supports thermocouples (TC), making it an ideal choice for applications requiring high-accuracy temperature monitoring and control in environments such as process automation, manufacturing, and energy management.

Key Features:

• 4 Analog Inputs (AI) for measuring temperature from thermocouples (TC).

• Wide thermocouple support (e.g., Type J, K, T, etc.), ensuring compatibility with a variety of temperature sensors.

• High accuracy and fast response times for reliable temperature measurement and control.

• Seamless integration with Siemens S7-1200 PLC, expanding the system's capability for advanced analog input and control.

• Compact design for easy installation in industrial control panels, saving valuable space.

• Advanced diagnostics for monitoring input status and ensuring optimal system performance.

• TIA Portal compatibility for simplified programming, configuration, and troubleshooting.

At Naksh Technology, we offer genuine Siemens S7-1200 SM1231 Analog Input TC 4AI Modules, providing high-performance temperature control solutions for automated systems. Our expert team ensures smooth integration and ongoing support for your industrial automation needs.

General Information

• Product Type: SIMATIC S7-1200, Analog Input Module SM 1231

• Model: 6ES7231-4HD32-0XB0

• Inputs: 4 AI (Current or Voltage, differential)

• Resolution: 12-bit + sign (13-bit ADC)

Supply Voltage

• Rated Value: 24 V DC

• Typical Current Consumption: 45 mA

• From Backplane Bus: 5 V DC, typical 80 mA

• Power Loss: Typical 1.5 W

Analog Inputs

• Number of Inputs: 4

• Voltage Input Ranges: 10 V, 5 V, 2.5 V

• Voltage Input Resistance: 9 M

• Current Input Ranges: 0-20 mA, 4-20 mA

• Current Input Resistance: 280

• Cycle Time (all channels): Max. 625 s

• Permissible Input Limits:

  • Voltage: Max. 35 V

  • Current: Max. 40 mA

Analog Signal Processing

• Integration Time: Parameterizable per channel

• Smoothing: None / Low / Medium / High

• Interference Suppression: 40 dB (DC to 60 V, 50/60 Hz)

Accuracy / Errors

• Temperature Error: 0.1% at 25 C, 0.2% up to 55 C

• Basic Error Limit at 25 C: 0.1% (voltage & current)

• Common Mode Interference Voltage: Max. 12 V

Diagnostics / Status

• Alarms: Yes (Diagnostic alarm)

• Diagnostics Function: Yes

• LED Indicators: Input status, maintenance

• Monitoring: Supply voltage, wire-break

Protection

• IP Degree: IP20

• Environmental Product Declaration: Yes

• Global Warming Potential:

  • Total: 43.1 kg CO eq

  • During Production: 7.62 kg CO eq

  • During Operation: 36 kg CO eq

  • End of Life: -0.544 kg CO eq

Ambient Conditions

• Operation Temperature: -20 +60 C (vertical: max 50 C)

• Storage/Transport Temperature: -40 +70 C

• Air Pressure (Operation): 795 1,080 hPa

• Air Pressure (Storage): 660 1,080 hPa

• Relative Humidity: Max. 95% at 25 C, no condensation

• Pollutant Concentrations: SO <0.5 ppm, HS <0.1 ppm (RH <60%)

Mechanical Data

• Front Material: Plastic

• Dimensions (W H D): 45 100 75 mm

• Weight: Approx. 180 g

• Front Connector: Required 

Technical Details