EP1612-0003 Beckhoff
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The EP1612-0003 digital input module is manufactured by Beckhoff as part of the EP Digital Input Modules series. It provides 16 digital inputs with an input filter of 10 microseconds and supports distributed clocks. The module features 2 Ethercat M8 sockets, operates at a nominal voltage of 24 VDC, and comes in a compact IP20 rated enclosure with dimensions of 30 by 126 by 26.5 mm.
Internal Product Review
The EP1612-0003 is a Beckhoff digital input module with 16 digital inputs and a 24 VDC nominal input voltage. Type 3 per EN 61131-2 input compliance and a 10 µs input filter support fast, stable signal acquisition in demanding control systems. IP20 protection and distributed clocks make the module a strong choice for precise industrial I/O performance.
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Product Description:
The EP1612-0003 digital input module is manufactured by Beckhoff and belongs to the EP Digital Input Modules series. It serves as a discrete signal acquisition point that converts sensor states into EtherCAT process data, letting PLCs monitor switches, proximity detectors, and other binary devices used on machines and conveying lines. Within an enclosure, it occupies minimal rail space and maintains wiring clarity through clearly labeled connection points, making it a straightforward element in distributed I/O architectures.
Electrically, the unit offers 16 digital inputs that conform to Type 3 of EN 61131-2, so sensors with PNP or NPN outputs can be connected without additional adaptation. Each channel loads the field device with only 6 mA, reducing power dissipation in proximity switches. A built-in filter of 10 µs suppresses contact bounce and high-frequency noise before the signal reaches the EtherCAT process image. The module’s logic operates from a 24 VDC nominal supply, and that voltage is also assigned to the Up and Us power segments so the electronics and sensor supply rails remain energized. Support for distributed clocks aligns channel sampling to the EtherCAT system time, and the IP20 protection class means installation must remain inside a closed control panel where contact with live parts is restricted.
Field and network wiring are arranged for quick connection. Two EtherCAT lines are daisy-chained through 2 x M8 four-pin sockets that carry communication and supply power between modules. The sixteen sensor conductors terminate on two pluggable spring terminal blocks, allowing removal without tools during service. The integrated sensor feed can source up to 0.5 A, so light-duty proximity sensors and opto-coupled devices receive power directly from the slice. Cable runs for the inputs may extend to 30 m while maintaining the stated input characteristics, and the housing measures only 30 × 126 × 26.5 mm, letting several modules line up side by side on the mounting rail without exceeding typical cabinet depths.
