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Specification & Description
| Specification | Description |
|---|---|
| Part Number | BL20-4DI-24VDC-P |
| Manufacturer | Turck |
| Number of Channels | 4 |
| Rated Voltage | 24 VDC |
| Nominal Current (Field Supply) | ≤ 40 mA |
| Nominal Current (Module Bus) | ≤ 28 mA |
| Power Dissipation | ≤ 1 W |
| Input Type | PNP |
| Low-Level Signal Voltage | -30 to +5 V |
| High-Level Signal Voltage | 15 to 30 V |
| Low-Level Signal Current | 0 to 1.5 mA |
| High-Level Signal Current | 2 to 10 mA |
| Input Delay | < 0.2 ms |
| Electrical Isolation | Electronics for the field level |
| Output Connectivity | Screw, Tension Spring |
| Dimensions (W x L x H) | 12.6 x 74.1 x 55.4 mm |
| Approvals | CE, cULus, Zone 2, Class I, Div. 2 |
| Operating Temperature | 0 to +55 °C |
| Storage Temperature | -25 to +85 °C |
| Relative Humidity | 15 to 95%, no condensation allowed |
| Vibration Test | Acc. to EN 61131 |
| Shock Test | Acc. to IEC 60068-2-27 |
| Drop and Topple | Acc. to IEC 68-2-31 and free fall to IEC 68-2-32 |
| Electromagnetic Compatibility | Acc. to EN 50082-2 |
| Protection Class | IP20 |
| MTTF | 1172 years acc. to SN 29500 (Ed. 99) 20 °C |
| Functional Principle | BL20 electronic modules are plugged into passive base modules for field device connection. Maintenance is simplified due to the separation of the connection level from the module electronics. The base modules offer a choice of tension spring or screw connection technology. The electronic modules are independent of the higher-level field bus type through the use of gateways. |
The Turck BL20-4DI-24VDC-P is a high-performance electronic module designed to provide reliable digital input capabilities for industrial automation systems. This module features four digital inputs with PNP switching, making it suitable for a wide range of applications that require precise and efficient signal processing.
Operating at a nominal voltage of 24 VDC, the BL20-4DI-24VDC-P ensures stable performance with a low power dissipation of approximately 1 W. The module is engineered to handle signal voltages ranging from -30 to +5 V for low-level signals and 15 to 30 V for high-level signals, with corresponding current levels of 0 to 1.5 mA and 2 to 10 mA, respectively. The input delay is less than 0.2 milliseconds, ensuring rapid response times for critical operations.
The BL20-4DI-24VDC-P is designed with robust electrical isolation to protect the electronics from field-level interferences. It offers flexible connectivity options, including screw and tension spring connections, to accommodate various installation preferences. The module's compact dimensions of 12.6 x 74.1 x 55.4 mm allow for easy integration into existing systems without occupying excessive space.
Certified to meet CE and cULus standards, the BL20-4DI-24VDC-P is suitable for use in Zone 2 and Class I, Division 2 hazardous locations, ensuring compliance with stringent safety regulations. The module operates within a temperature range of 0 to +55 °C and can be stored at temperatures between -25 and +85 °C. It also withstands relative humidity levels of 15 to 95%, provided there is no condensation.
The BL20-4DI-24VDC-P is part of Turck's BL20 series, known for its modular design that simplifies maintenance and enhances system flexibility. By separating the connection level from the module electronics, the BL20 series allows for easy replacement and upgrades without disrupting the overall system. This module is compatible with various base modules, offering a choice between tension spring and screw connection technologies.
Ideal for industrial environments, the Turck BL20-4DI-24VDC-P provides reliable digital input functionality, ensuring efficient and accurate data acquisition for automation systems.
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Frequently Asked Questions
What is the primary function of this module?
The primary function of the Turck BL20-4DI-24VDC-P module is to provide four digital inputs for industrial automation systems.
What type of input does this module support?
This module supports PNP type digital inputs.
What is the rated voltage for this module?
The rated voltage for the Turck BL20-4DI-24VDC-P module is 24 VDC.
What are the dimensions of this module?
The dimensions of the module are 12.6 x 74.1 x 55.4 mm.
What is the operating temperature range for this module?
The operating temperature range for this module is 0 to +55 °C.
What type of connectivity does this module offer?
This module offers both screw and tension spring connectivity options.
What is the typical power dissipation of this module?
The typical power dissipation of the Turck BL20-4DI-24VDC-P module is approximately 1 W.
What certifications does this module have?
This module is certified with CE, cULus, Zone 2, and Class I, Div. 2 approvals.
What is the maximum current from the field supply for this module?
The maximum current from the field supply for this module is 40 mA.
What is the input delay for this module?
The input delay for the Turck BL20-4DI-24VDC-P module is less than 0.2 ms.
What is the protection class of this module?
The protection class of this module is IP20.
What is the relative humidity range for this module?
The relative humidity range for this module is 15 to 95%, with no condensation allowed.
What is the MTTF (Mean Time to Failure) for this module?
The MTTF for the Turck BL20-4DI-24VDC-P module is 1172 years according to SN 29500 (Ed. 99) at 20 °C.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
