SIEMENS S7-1200 PLC MODULE 6ES7231-5QF32-0XB0

About SIEMENS S7-1200 PLC MODULE 6ES7231-5QF32-0XB0

Data Sheet 6ES7231-5QF32-0XB0

SIMATIC S7-1200, Analog Input, SM 1231 TC 8 AI Thermocouples Module

General Information

• Product type designation: SM 1231, AI 8x16 bit TC

Supply Voltage

• 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

Analog Inputs

• Number of inputs: 8 (Thermocouples)

• Permissible input voltage (destruction limit): 35 V

• Technical unit: Degrees Celsius / Fahrenheit

• Input ranges:

  • Voltage: 80 mV

  • Thermocouples: J, K, T, E, R, S, B, N, C, TXK/XK(L)

• Input resistance (voltage -80 mV to +80 mV): 1 M

Analog Value Generation

• Measurement principle: Integrating

• Resolution: max. 15 bit (+ sign)

• Integration time: Not parameterizable

• Interference voltage suppression: 85 dB at 50 / 60 / 400 Hz

• Smoothing of measured values: Parameterizable

Errors / Accuracies

• Temperature error (25 C to 55 C): 0.1% / 0.2% of total measurement range

• Repeat accuracy at 25 C: 0.5%

• Common mode interference suppression: min. 120 dB

Diagnostics / Status

• Alarms: Yes

• Diagnostics function: Yes, can be read out

• Monitoring: Supply voltage, wire-break

• LED indications: Status of inputs, maintenance

Protection

• IP degree of protection: IP20

Standards / Approvals

• CE, CSA, UL, cULus, FM, RCM, KC, Marine

Ecological Footprint

• Environmental product declaration: Yes

• Global warming potential (CO2 eq):

  • Total: 43.1 kg

  • During production: 7.62 kg

  • During operation: 36 kg

  • After end of life: -0.544 kg

Ambient Conditions

• Free fall: max. 0.3 m, 5 times (in product package)

• Operating temperature: -20 C to 60 C (horizontal/vertical installation varies)

• Storage temperature: -40 C to 70 C

• Air pressure (operation): 795 1,080 hPa

• Air pressure (storage/transport): 660 1,080 hPa

• Relative humidity (25 C, no condensation): max. 95%

• Pollutant concentrations: SO < 0.5 ppm, HS < 0.1 ppm

Mechanics / Material

• Enclosure material: Plastic

• Dimensions: W 45 mm H 100 mm D 75 mm

• Weight: approx. 220 g 

Technical Details