E4809-04U-003-A
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The E4809-04U-003-A is a 3-meter shielded sensor cable with IP67 protection. Designed by Okuma as part of the E4809 CNC Boards series, it features M12 male and female 4-pin connectors and is made from durable PUR material. This cable supports up to 60 V AC/DC and complies with RoHS standards.
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Product Description:
The E4809-04U-003-A is a motherboard that Okuma built for integrating control systems. It is a critical component of the control of power, the enhancement of signals, and the connection of automatic systems. Usually, the board is built into servo amplifiers or I/O units that are used in CNC and robotic machines.
The E4809-04U-003-A motherboard has white relays with the label "T9AS1D12-24" that separate signals and allow for more control when moving higher currents. Ceramic capacitors block noise in localized circuits, while large electrolytic capacitors keep the voltage stable by smoothing out the power supply lines. The board has inductors or transformers with the name "T23 JH" that help with voltage conversion or high-frequency filtering. In DIP and SOIC packages, many integrated circuits (ICs) are mounted, such as op-amps and logic controllers, to help with tracking and control. For connecting sensors and signals, the board has black and white connections that look like they are JST types. To connect to a backplane or other boards, there is a black edge socket in the upper left corner. Because there are optocouplers around the relay zones, the incoming signals are kept separate. A power integrated circuit (K2701) probably works as a MOSFET or voltage sensor to keep the voltage in check. Both analog and digital signal paths used in industrial control can be used with this small layout.
The E4809-04U-003-A motherboard has a mixed signal PCB layout, which means that digital logic signals are kept separate from analog control signals. There are clearly marked test spots on the board that help with diagnostics and signal monitoring. When placed across supply rails, inductors and capacitors work together to improve power regulation. Optocouplers establish isolation zones that preserve the signal's integrity. It is easier to connect modular parts when you use backplane or edge connectors.
Frequently Asked Questions about E4809-04U-003-A:
Q: Does E4809-04U-003-A use signal isolation methods?
A: Yes, optocouplers are placed near input zones. These isolate input signals from control logic and reduce cross-interference.
Q: Why does E4809-04U-003-A include “T23 JH” inductors?
A: They act as high-frequency filters or transformers. These components ensure clean signal conditioning in voltage conversion paths.
Q: How do jumpers help on the E4809-04U-003-A board?
A: Jumpers allow circuit configuration for routing or testing. They provide a manual setup without needing software tools.
Q: Do PCB traces on E4809-04U-003-A carry high current?
A: Yes, heavy copper traces are used near relays. This supports safe high-current flow without thermal failure.
Q: Why is E4809-04U-003-A used in automation systems?
A: It combines analog and digital control on one board. This makes it suitable for servo and I/O tasks in robotics.
