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Specification & Description
| Specification | Description |
|---|---|
| Part Number | 6ES7231-5QA30-0XB0 |
| Alternative Part Number | 6ES72315QA300XB0 |
| Manufacturer | Siemens |
| Product Type | SIMATIC S7 Series Analogue Input Module |
| Input Type | Analogue, for Thermocouples Type J or K |
| Supply Voltage | 24 V DC |
| Current Consumption (Typical) | 5 mA from backplane bus 5 V DC |
| Power Loss (Typical) | 0.5 W |
| Number of Analogue Inputs | 1 |
| Input Voltage for Current Input | ±35 V (destruction limit) |
| Input Ranges | Voltage: -80 mV to +80 mV; Thermocouple: Type J, K |
| Input Resistance (Type J) | 1200°C |
| Input Resistance (Type K) | 1372°C |
| Measurement Principle | Integrating |
| Resolution with Overrange | 15 bit; + sign |
| Interference Voltage Suppression | 85 dB at 10 / 50 / 60 / 400 Hz |
| Smoothing of Measured Values | Parameterizable |
| Temperature Error | 25 °C ±0.1% to 55 °C ±0.2% total measurement range |
| Common Mode Interference | Min. 120 dB |
| Diagnostics | Wire-break detection, Diagnostic alarm, Diagnostic functions can be read out |
| Diagnostics Indication LED | For status of the inputs, For maintenance |
| Degree of Protection | IP20 |
| Standards and Approvals | CE, CSA, UL, cULus, FM, RCM, KC, Marine approvals |
| Ambient Operating Temperature Range | -20 °C to 60 °C (horizontal installation), -20 °C to 50 °C (vertical installation) |
| Ambient Storage Temperature Range | -40 °C to 70 °C |
| Relative Humidity | Operation at 25 ℃ without condensation, max. 95% |
| Pollutant Concentrations | SO2: < 0.5 ppm; H2S: < 0.1 ppm; RH < 60% condensation-free |
| Required Front Connector | Yes |
| Enclosure Material | Plastic |
| Dimensions (Width x Height x Depth) | 38 mm x 62 mm x 21 mm |
| Weight (Approximate) | 35 g |
The Siemens SIMATIC S7 Series Analogue Input Module, part number 6ES7231-5QA30-0XB0, is a compact and reliable solution for integrating temperature measurement into automation systems. This module is specifically designed to process signals from thermocouples, making it an essential component for monitoring and controlling temperature in a wide range of industrial applications.
With its ability to accept Type J or K thermocouples, the module provides versatility for different temperature sensing requirements. The input range for voltage is ±80 mV, ensuring precise data acquisition for critical processes. The module's integration and conversion time is optimised for real-time applications, and it boasts a high resolution of 15 bits plus sign, ensuring detailed and accurate temperature readings.
The 6ES7231-5QA30-0XB0 is engineered for simplicity and ease of use, with a width of 38 mm, height of 62 mm, and depth of 21 mm, making it a space-saving addition to any control cabinet. It has a weight of approximately 35 g, which contributes to its ease of installation. The module operates efficiently with a typical power loss of only 0.5 W, minimising energy consumption.
Designed to withstand challenging industrial environments, the module operates within a temperature range of -20 °C to 60 °C and is protected against ingress with an IP20 rating. It also features diagnostic LEDs for the status of the inputs and maintenance signals, which facilitate quick troubleshooting and maintenance tasks.
The 6ES7231-5QA30-0XB0 is compliant with several international standards, including CE, CSA, and FM approvals, ensuring its suitability for global use. Its robust design and reliable performance make it an excellent choice for industries requiring precise temperature monitoring and control.
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Frequently Asked Questions
What type of input does this analogue module support?
The module supports a single analogue input for thermocouples, specifically types J and K, allowing for temperature measurements within a specified range.
Can the module be used with different temperature measurement units?
Yes, the module allows for temperature measurements to be adjusted between degrees Celsius and degrees Fahrenheit, providing flexibility for various applications.
What is the supply voltage required for this module?
The module requires a 24 V DC supply voltage to operate effectively.
What are the dimensions of this analogue input module?
The dimensions of the module are 38 mm in width, 62 mm in height, and 21 mm in depth, making it compact and suitable for space-constrained installations.
Is there any parameterisation required for temperature compensation?
No, the module does not provide parameterisable temperature compensation.
What is the typical power loss for this module?
The typical power loss for the module is approximately 0.5 W.
How does the module handle interference suppression?
The module is designed with interference voltage suppression capabilities, offering 85 dB suppression at common interference frequencies such as 10, 50, 60, and 400 Hz.
What is the weight of the module?
The module weighs approximately 35 grams, contributing to its ease of installation and handling.
Does the module have any diagnostic features?
Yes, the module includes diagnostic functions such as wire-break detection and diagnostic alarms, with indication LEDs for the status of the inputs and maintenance requirements.
What environmental conditions can the module operate under?
The module is designed to operate within an ambient temperature range of -20 °C to 60 °C for horizontal installation and -20 °C to 50 °C for vertical installation, with a relative humidity operation at 25 °C without condensation of up to 95%.
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