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6ES7231-5QD32-0XB0 | Siemens S7-1200 SM1231 4-Channel Thermocouple/mV Analog Input Module
- Regular price
- $332.00
- Sale price
- $332.00
- Regular price
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Product Description P/N: 6ES7231-5QD32-0XB0
Description
The Siemens 6ES7231-5QD32-0XB0 is a SIMATIC S7-1200 SM1231 analog input module engineered for thermocouple and millivolt signal measurement. Designed with four analog input channels and a ±80 mV input range, it supports precise data acquisition across various temperature-sensing applications. With its 15-bit resolution and 24 VDC operation, the module provides reliable performance for demanding industrial automation environments.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | PLCs/Machine Control |
| Part Number | 6ES7231-5QD32-0XB0 |
| Subcategory | VDC Logic I/O Module Design |
| Type | SM1231 Thermocouple/mV Module |
| Analog Inputs | 4 channels (thermocouple/mV) |
| Input Voltage | 24 VDC |
| Input Range | ±80 mV |
| Resolution | 15-bit + sign |
| Short-Circuit Protection | No |
| Dimensions | 100 × 45 × 75 mm |
| Mounting | 35 mm DIN rail |
| Connection Type | Screw terminals |
| Operating Temperature | −20 °C to +60 °C |
| Protection Rating | IP20 |
| Alarm Inputs | Yes |
| Approvals | CE, UL, cULus |
| Customs Tariff Number | 85389091 |
Information About 6ES7231-5QD32-0XB0
The 6ES7231-5QD32-0XB0 is a SIMATIC S7-1200 SM1231 module developed as part of the Siemens S7-1200 controller family for specialized analog input processing. Its compact design and DIN-rail mounting allow seamless installation within S7-1200 systems while maintaining efficient use of panel space. The module supports multiple thermocouple types and direct mV inputs, ensuring broad compatibility for temperature and low-voltage measurement applications. With high-resolution analog-to-digital conversion and robust integration features, it is commonly used in industrial processes requiring accurate thermal monitoring and precise sensor interfacing.
Key Features:
- Four-channel analog input module: Allows simultaneous measurement from up to four thermocouples or mV sensors.
- Broad thermocouple compatibility: Supports J, K, T, E, R, S, N, C, TXK/XK(L) types for diverse temperature applications.
- High-accuracy signal processing: 15-bit resolution plus sign bit ensures precise temperature and low-voltage measurements.
- Low-level mV input capability: ±80 mV input range enables direct connection of sensitive millivolt-output sensors.
- Designed for S7-1200 systems: Integrates natively with Siemens SIMATIC S7-1200 PLCs for seamless configuration and diagnostics.
- Compact DIN-rail construction: Optimized size fits efficiently in control cabinets with standard 35 mm DIN mounting.
- Industrial environmental ratings: Operates reliably within −20 °C to +60 °C for demanding plant conditions.
- Secure wiring configuration: Screw-terminal connections provide stable, vibration-resistant sensor interfacing.
The 6ES7231-5QD32-0XB0 delivers the reliability and precision required for accurate thermal measurement, low-voltage signal monitoring, and industrial analog data acquisition within S7-1200 automation systems.
Description
The Siemens 6ES7231-5QD32-0XB0 is a SIMATIC S7-1200 SM1231 analog input module engineered for thermocouple and millivolt signal measurement. Designed with four analog input channels and a ±80 mV input range, it supports precise data acquisition across various temperature-sensing applications. With its 15-bit resolution and 24 VDC operation, the module provides reliable performance for demanding industrial automation environments.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | PLCs/Machine Control |
| Part Number | 6ES7231-5QD32-0XB0 |
| Subcategory | VDC Logic I/O Module Design |
| Type | SM1231 Thermocouple/mV Module |
| Analog Inputs | 4 channels (thermocouple/mV) |
| Input Voltage | 24 VDC |
| Input Range | ±80 mV |
| Resolution | 15-bit + sign |
| Short-Circuit Protection | No |
| Dimensions | 100 × 45 × 75 mm |
| Mounting | 35 mm DIN rail |
| Connection Type | Screw terminals |
| Operating Temperature | −20 °C to +60 °C |
| Protection Rating | IP20 |
| Alarm Inputs | Yes |
| Approvals | CE, UL, cULus |
| Customs Tariff Number | 85389091 |
Information About 6ES7231-5QD32-0XB0
The 6ES7231-5QD32-0XB0 is a SIMATIC S7-1200 SM1231 module developed as part of the Siemens S7-1200 controller family for specialized analog input processing. Its compact design and DIN-rail mounting allow seamless installation within S7-1200 systems while maintaining efficient use of panel space. The module supports multiple thermocouple types and direct mV inputs, ensuring broad compatibility for temperature and low-voltage measurement applications. With high-resolution analog-to-digital conversion and robust integration features, it is commonly used in industrial processes requiring accurate thermal monitoring and precise sensor interfacing.
Key Features:
- Four-channel analog input module: Allows simultaneous measurement from up to four thermocouples or mV sensors.
- Broad thermocouple compatibility: Supports J, K, T, E, R, S, N, C, TXK/XK(L) types for diverse temperature applications.
- High-accuracy signal processing: 15-bit resolution plus sign bit ensures precise temperature and low-voltage measurements.
- Low-level mV input capability: ±80 mV input range enables direct connection of sensitive millivolt-output sensors.
- Designed for S7-1200 systems: Integrates natively with Siemens SIMATIC S7-1200 PLCs for seamless configuration and diagnostics.
- Compact DIN-rail construction: Optimized size fits efficiently in control cabinets with standard 35 mm DIN mounting.
- Industrial environmental ratings: Operates reliably within −20 °C to +60 °C for demanding plant conditions.
- Secure wiring configuration: Screw-terminal connections provide stable, vibration-resistant sensor interfacing.
The 6ES7231-5QD32-0XB0 delivers the reliability and precision required for accurate thermal measurement, low-voltage signal monitoring, and industrial analog data acquisition within S7-1200 automation systems.