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Turck
BL20-E-8DI-24VDC-P
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | BL20-E-8DI-24VDC-P |
| Alternative Part Number | BL20E8DI24VDCP |
| Manufacturer | Turck |
| Number of Channels | 8 digital inputs |
| Supply Voltage | 24 VDC |
| Admissible Voltage Range | 18…30 VDC |
| Nominal Current from Field Supply | ≤ 2 mA |
| Nominal Current from Module Bus | ≤ 15 mA |
| Power Loss, Typical | ≤ 1.5 W |
| Input Type | PNP |
| Low Level Signal Voltage | -30 V … +5 V |
| High Level Signal Voltage | 11 V … 30 V |
| Low Level Signal Current | -1 mA … 1.5 mA |
| High Level Signal Current | 2 mA … 5 mA |
| Input Delay | < 0.2 ms |
| Electrical Isolation | Electronics for the field level |
| Connection Technology | Push-in |
| Dimensions (W x L x H) | 12.6 x 128.6 x 74.6 mm |
| Approvals | CE |
| Operating Temperature Range | -25…+60 °C |
| Storage Temperature Range | -25…+85 °C |
| Relative Humidity | 15…95 %, no condensation allowed |
| Vibration Test | According to EN 61131 |
| Shock Test | According to IEC 60068-2-27 |
| Drop and Topple Test | According to IEC 68-2-31 and free fall to IEC 68-2-32 |
| Electromagnetic Compatibility | According to EN 50082-2 |
| Protection Class | IP20 |
| MTTF | 328 years according to SN 29500 (Ed. 99) at 20 °C |
The Turck BL20-E-8DI-24VDC-P digital input module is a versatile and reliable component designed for seamless integration into various industrial automation systems. This module boasts eight digital inputs, providing a robust solution for capturing and processing signals from a range of digital sensors and switches within a control system.
Engineered with precision, the module operates with a nominal 24 VDC supply voltage, ensuring compatibility with standard industrial power supplies. The admissible voltage range of 18 to 30 VDC offers flexibility and resilience against fluctuations in supply voltage, which is a common challenge in industrial environments.
The BL20-E-8DI-24VDC-P is designed with PNP input type, which is widely used in the industry for its ease of connection and reliability. The module's input delay is less than 0.2 ms, enabling rapid signal processing and ensuring timely responses in automation tasks.
With its compact dimensions of 12.6 x 128.6 x 74.6 mm, the module is designed to fit efficiently within control cabinets, saving valuable space while providing easy access for maintenance and setup. The push-in connection technology simplifies installation and maintenance, allowing for quick and secure wiring without the need for specialised tools.
The module is built to withstand the rigours of industrial environments, with an operating temperature range of 0 to +55 °C and storage temperature range of -25 to +85 °C. It is also designed to handle relative humidity levels of 15 to 95%, without condensation, ensuring continued performance in varying environmental conditions.
For added reliability, the BL20-E-8DI-24VDC-P has been rigorously tested to meet vibration and shock standards according to EN 61131 and IEC 60068-2-27, respectively. It also complies with electromagnetic compatibility requirements as per EN 50082-2, ensuring that it operates effectively in the presence of electromagnetic interference.
The protection class of IP20 indicates that the module is protected against solid objects larger than 12.5 mm, making it suitable for use in controlled environments where exposure to dust and moisture is minimal.
With a Mean Time To Failure (MTTF) of 1421 years at 20 °C, as per SN 29500 (Ed. 99), the BL20-E-8DI-24VDC-P is a testament to Turck's commitment to quality and durability, offering a long-lasting solution for industrial automation needs.
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Frequently Asked Questions
What type of input does this digital input module support?
The module supports PNP type digital inputs, which are commonly used in industrial automation systems.
Can you describe the power requirements for this module?
Certainly, the module requires a supply voltage of 24 VDC with an admissible range of 18 to 30 VDC. It has a typical power loss of approximately 1.5 W.
What is the operating temperature range for this module?
The module is designed to operate within a temperature range of -25°C to +60°C, making it suitable for a variety of industrial environments.
How are the inputs on this module isolated?
The inputs on this module feature electrical isolation, which helps to protect the electronics at the field level from potential damage caused by electrical interference.
What type of connection technology is used for this module?
This module utilises push-in connection technology, which allows for quick and secure connections without the need for additional tools.
What certifications does this module hold?
The module is certified with CE, cULus, and is suitable for use in zone 2, Class I, Division 2 hazardous locations.
What is the significance of the IP rating on this module?
The IP20 rating indicates that the module is protected against solid objects larger than 12.5mm but is not protected against liquids. This rating is typical for components intended for use in controlled environments.
Is this module fieldbus-dependent?
No, the BL20-E-8DI-24VDC-P module is fieldbus-independent, meaning it can operate without being connected to a fieldbus network.
What is the MTTF for this module?
The Mean Time To Failure (MTTF) for this module is calculated to be several years, indicating a high level of reliability for industrial applications.
How many digital inputs does this module have?
This module is equipped with 8 digital inputs, allowing it to interface with multiple sensors or switches.
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