About SIEMENS S7-1200 PLC MODULE 6ES7231-5QA30-0XB0

Data Sheet: 6ES7231-5QA30-0XB0

SIMATIC S7-1200 | SB 1231 TC | 1 AI Thermocouple (Type J/K)

General Information

• Product type designation: SB 1231, AI 116-bit TC

Supply Voltage

• Rated value (DC): 24 V

Input Current

• Current consumption (typ.): 5 mA

• From backplane bus (5 V DC): 20 mA

Power Loss

• Typical: 0.5 W

Analog Inputs

• Number of analog inputs: 1 (Thermocouple)

• Maximum permissible input voltage (current/voltage): 35 V

• Temperature units: C / F

Supported Input Types

• Voltage: Yes

• Current: No

• Thermocouple: Yes Types J, K, T, E, R & S, B, N, C, TXK/XK(L)

  • Voltage range: 80 mV

• Resistance thermometer: No

• Resistance: No

Input Ranges (Voltage)

• 80 mV to +80 mV: Yes

• Input resistance: 1 M

Input Ranges (Thermocouples)

• Type J Range: up to 1200 C

• Type K Range: up to 1372 C

Thermocouple Temperature Compensation

• Parameterizable: No

Analog Outputs

• Number of outputs: 0

Cable Length

• Shielded, twisted pair: max. 100 m

Analog Value Generation

• Measurement principle: Integrating

• Resolution: 15-bit + sign

• Integration time parameterizable: No

• Interference suppression: 85 dB at 10 / 50 / 60 / 400 Hz

• Measured value smoothing: Parameterizable

Errors / Accuracy

• Temperature error:

  • At 25 C: 0.1%

  • Up to 55 C: 0.2%

• Repeat accuracy at 25 C: 0.5%

• Common mode interference: 120 dB

Diagnostics / Status

• Alarms: Yes

• Diagnostics function (readout): Yes

• Diagnostic alarm: Yes

• Wire-break detection: Yes

• LEDs:

  • Input status: Yes

  • Maintenance: Yes

Standards / Approvals

CE, CSA, UL, cULus, FM, RCM, KC, Marine approval: Yes

Ambient Conditions

Operation

• Temperature: 20 C to +60 C

• Vertical installation max: 50 C

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

Storage / Transport

• Temperature: 40 C to +70 C

Air Pressure

• Operation: 7951080 hPa

• Storage/transport: 6601080 hPa

Pollutant Concentrations

• SO < 0.5 ppm

• HS < 0.1 ppm

• RH < 60% (condensation-free)

Connection Method

• Requires front connector

Mechanics / Material

• Front enclosure material: Plastic

Dimensions

• Width: 38 mm

• Height: 62 mm

• Depth: 21 mm

Weight

• Approx.: 35 g 

Technical Details