| Item | Specification |
|---|---|
| Part Number | 6ES7231-5PD32-0XB0 |
| Manufacturer | Siemens |
| Product Family | SIMATIC S7-1200 |
| Product Type | SM1231 RTD Analog Input Module |
| Channel Count | 4 Analog Inputs |
| Resolution | 16 bit |
| Supported Sensor | Pt10,Pt50,Pt100,Pt200,Pt500,Pt1000,Ni100,Ni120,Ni200,Ni500,Ni1000,Cu10,Cu50,Cu100,LG-Ni1000,Resistance 150Ω,300Ω,600Ω |
| Temperature Unit | Celsius / Fahrenheit, configurable |
| Backplane Current Consumption | 80 mA (5V DC) |
| External 24VDC Current Consumption | 40 mA |
| Power Loss | 1.5 W |
| Dimension(W x H x D) | 45 mm × 100 mm × 75 mm |
| Net Weight | 220 g |
| Operating Temperature | -20 ℃ ~ +60 ℃ (horizontal mounting), -20 ℃ ~ +50 ℃ (vertical mounting) |
| Storage / Transport Temperature | -40 ℃ ~ +70 ℃ |
| Relative Humidity | 5% ~ 95%, non-condensing |
| Protection Class | IP20 |
| Isolation | No isolation between field side and PLC logic |
| Max Input Destruction Voltage | ±35 V |
| Mounting | DIN rail mounting |
| Engineering Software | TIA Portal |
| Certifications | CE,UL,cULus,CSA,FM,RCM,KC |
| Country of Origin | China |
| Customs Tariff Code | 8537101190 |
Long Description
6ES7231-5PD32-0XB0 belongs to Siemens SIMATIC S7-1200 series signal module, model SM1231 RTD analog input module. It provides 4 channels of 16-bit temperature measurement, compatible with various platinum, nickel, copper resistance thermometers and resistance sensors. The module connects directly to RTD sensors, converts resistance signal into digital value for PLC processing. Temperature unit can be set to Celsius or Fahrenheit in TIA Portal software. It is powered by S7-1200 backplane bus plus external 24VDC supply. Compact DIN rail mounting structure, easy to install beside S7-1200 CPU. Widely used for temperature monitoring in industrial automation, HVAC, food machinery, plastic and chemical industry. It is a common spare part for new project construction, system upgrade and PLC maintenance.
