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Specification & Description
| Specification | Description |
|---|---|
| Part Number | X20AT2222 |
| Manufacturer | B&R |
| Description | Temperature Input Module for PT100/PT1000 resistance temperature measurement |
| Input Channels | 2 channels |
| Temperature Measurement Range | -200 to 850°C for PT100 and PT1000 |
| Resistance Measurement Range | 0.1 to 4500 Ω / 0.05 to 2250 Ω |
| Conversion Time | 20 ms per channel at 50 Hz filter |
| Digital Converter Resolution | 16 Bit |
| Filter Time | Adjustable between 1 ms and 66.7 ms |
| Output Format | INT or UINT for resistance measurement |
| Sensor Types Supported | PT100, PT1000 |
| Connection Technology | 2- or 3-wire connection per module |
| Operating Temperature Range | -25 to 60°C (horizontal orientation), -25 to 50°C (vertical orientation) |
| Storage Temperature Range | -40 to 85°C |
| Relative Humidity | 5 to 95%, non-condensing |
| Protection Class | IP20 |
| Mounting Orientation | Horizontal or Vertical |
| Installation Elevation | 0 to 2000 m without derating, above 2000 m with derating |
| Certifications | CE, UL, cULus, ATEX, and others |
| Power Consumption | Bus: 0.01 W, I/O internal: 1.1 W |
| Isolation Voltage | 500 V between channel and bus |
| Status Indicators | I/O function per channel, operational state, module status |
| Required Accessories | Bus modules and terminal blocks (to be ordered separately) |
The B&R X20AT2222 is a sophisticated temperature input module designed to cater to the precise needs of industrial automation systems. This module is adept at handling resistance temperature measurements, providing versatility and reliability for a wide range of applications.
Equipped with two inputs, the X20AT2222 is compatible with both PT100 and PT1000 sensor types, allowing for flexible integration into existing setups. Users can select the sensor type for each channel, ensuring tailored functionality for specific requirements. Additionally, the module supports direct resistance measurement, enhancing its utility in various industrial scenarios.
The X20AT2222 offers the choice between 2-wire and 3-wire connection technologies, which can be set for each module, providing further adaptability to different sensor wiring schemes. The module also features adjustable filter times, enabling users to fine-tune the signal processing to match the dynamics of their processes.
With a digital converter resolution of 16 bits, the X20AT2222 ensures high precision in temperature data acquisition. The module's filter time can be set between 1 ms and 66.7 ms, and the conversion time varies depending on the number of active channels and filter settings, ensuring efficient and timely data processing.
The module's status LEDs offer immediate visual feedback on the operational state, including module power, error or reset conditions, and the status of individual I/O channels. This immediate diagnostic capability facilitates quick troubleshooting and maintenance.
Designed with a focus on durability and consistent performance, the X20AT2222 operates reliably within a temperature range of -25 to 60°C for horizontal mounting orientation and -25 to 50°C for vertical mounting. It is also rated for operation at altitudes up to 2000 metres above sea level without any limitations, with a reduction in ambient temperature required for higher elevations.
The X20AT2222's compact form factor and IP20 degree of protection make it suitable for integration into a variety of industrial environments, where space efficiency and protection from objects larger than 12.5 mm are essential.
Overall, the B&R X20AT2222 temperature input module is a versatile and precise solution for industrial temperature monitoring and control, offering customisable settings and robust performance for demanding applications.
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Frequently Asked Questions
What type of temperature sensors is the module compatible with?
The module is designed to work with PT100 and PT1000 resistance temperature sensors, providing flexibility for various industrial temperature sensing applications.
Can the module support both 2-wire and 3-wire sensor connections?
Yes, the module supports both 2-wire and 3-wire sensor connections, allowing for versatile installation options depending on the existing wiring infrastructure.
How does the module ensure accurate temperature readings?
The module utilises a 16-bit digital converter and a sigma-delta conversion method to ensure precise temperature readings. Additionally, it features configurable filter times to adapt to different signal conditions.
Is it possible to adjust the filter time for the input channels?
Yes, the filter time for the input channels is adjustable, ranging from 1 ms to 66.7 ms, to suit various industrial environments and signal noise levels.
What is the module's operating temperature range?
The module can operate within a temperature range of -25 to 60°C for horizontal mounting orientation and -25 to 50°C for vertical mounting, making it suitable for a wide range of industrial environments.
How are the input channels monitored for errors?
The input channels are actively monitored for errors such as overrange, underrange, and wire break conditions. Any change in the monitoring status is actively reported as an error message.
What is the resolution of temperature measurements provided by the module?
The module provides a temperature measurement resolution of 0.1°C for both PT100 and PT1000 sensors, ensuring fine-grained temperature data for process control.
Can the module's input channels be individually configured?
Yes, each input channel on the module can be individually configured for different sensor types or even turned off to save on processing time if not needed.
What certifications does the module hold?
The module holds several certifications including CE, KC, UL, cULus, ATEX, and more, ensuring compliance with various international standards for safety and quality.
How does the module handle potential electrical interference?
The module is equipped with a first-order low-pass filter with a corner frequency of 500 Hz to mitigate the effects of electrical noise and interference on the temperature readings.
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