The Turck BL20-4DO-24VDC-0.5A-P is a versatile and reliable electronic module designed to enhance the functionality of automated systems. This module features four digital outputs with PNP switching, capable of handling a current of up to 0.5 A per channel. It operates at a nominal 24 VDC from the supply terminal, ensuring compatibility with a wide range of industrial control systems.
Constructed with a focus on durability and performance, the module boasts a compact design with dimensions of 12.6 x 74.1 x 55.4 mm, making it suitable for space-constrained applications. The BL20-4DO-24VDC-0.5A-P is engineered to withstand challenging industrial environments, with an operating temperature range of 0 to +55 °C and storage temperatures from -25 to +85 °C. Its robust build is complemented by a protection class of IP20, safeguarding the module's internal components from dust and other particulate matter.
The module's outputs are designed to handle resistive, inductive, and lamp loads, with specific load resistances for each type. It features short-circuit protection and a simultaneity factor of 1, ensuring reliable operation even in complex circuits. The output delay is a minimal 0.25 ms, allowing for rapid signal processing and control.
For ease of maintenance and enhanced flexibility, the BL20-4DO-24VDC-0.5A-P allows for separation of the connection level from the module electronics. This separation is facilitated by the use of purely passive base modules, which can be chosen with either tension spring or screw connection technology. The electronic modules are completely independent of the higher-level field bus, thanks to the use of gateways, providing a versatile solution for various industrial applications.
The module is equipped with LEDs that indicate status and diagnostics, offering a clear visual representation of the module's performance. Additionally, the electronics are galvanically separated from the field level via optocouplers, ensuring signal integrity and reducing the risk of electrical interference.
With a Mean Time To Failure (MTTF) of 1237 years at 20 °C, as per SN 29500 (Ed. 99), the Turck BL20-4DO-24VDC-0.5A-P is a reliable choice for long-term use in automated systems. It has received CE and cULus approvals, and is suitable for use in zone 2, Class I, Division 2 hazardous locations, demonstrating its compliance with stringent safety and quality standards.
The Turck BL20-4DO-24VDC-0.5A-P is an ideal solution for those seeking a high-quality, dependable electronic module for their automation needs. Its robust design, flexible connectivity options, and reliable performance make it a valuable addition to any industrial control system.