About Siemens S7-200 Smart 4AI RTD Module

NAKSH TECHNOLOGY We are offering Siemens S7 200 Smart PLC MODULES to our client. SIMATIC S7-200 SMART PLC is designed to suit the needs of developing markets that have higher pressures of price and demands on performance. Providing an excellent performance-to-price ratio, SIMATIC S7-200 SMART PLC when combined with other SMART drive products from Siemens helps in building extremely cost effective efficient automation solutions.

Data Sheet 6ES7231-5PD32-0XB0

SIMATIC S7-1200, Analog Input SM 1231 RTD, 4x AI

General Information

• Product type: SM 1231, AI 4x16 bit RTD

Supply Voltage

• Rated value: 24 V DC

Current & Power

• 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: 4 (Resistance thermometer)

• Permissible input voltage (destruction limit): 35 V

• Temperature unit: Adjustable (C / F)

• Input ranges:

  • Resistance thermometer: Pt10, Pt50, Pt100, Pt200, Pt500, Pt1000, Ni100, Ni120, Ni200, Ni500, Ni1000, Cu10, Cu50, Cu100, LG-Ni1000

  • Resistors: 0150 , 0300 , 0600

• Voltage / Current / Thermocouple: Not supported

• Measurement principle: integrating

• Resolution: 15-bit + sign

• Integration time: Fixed

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

• Common mode interference: min. 120 dB

Errors & Accuracy

• Temperature error: 0.1% at 25 C, 0.2% at 55 C

• Repeat accuracy at 25 C: 0.05%

Diagnostics / Status

• Alarms: Yes

• Diagnostic alarm: Yes

• Monitoring supply voltage: Yes

• Wire-break detection: Yes

• LED indication: Input status and maintenance

Protection

• IP rating: IP20

• Required front connector: Yes

Dimensions & Weight

• Width: 45 mm

• Height: 100 mm

• Depth: 75 mm

• Weight: approx. 220 g

Ambient Conditions

• Operation temperature: -20 C to 60 C

• Vertical installation max: 50 C

• Storage temperature: -40 C to 70 C

• Air pressure (operation): 7951080 hPa

• Air pressure (storage): 6601080 hPa

• Relative humidity: max. 95% (non-condensing)

• Free fall: max. 0.3 m, 5 times 

Technical Details