E4809-045-145-D
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The E4809-045-145-D CNC board features a stainless steel construction, a shaft diameter of 4.5 mm, an overall length of 14.5 mm, and a weight of 25 grams. Part of the E4809 CNC Boards series manufactured by Okuma, it offers corrosion resistance and operates efficiently within temperatures ranging from -20°C to 120°C.
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Product Description:
The E4809-045-145-D VAC III-Drive Unit manufactured by Okuma that is used in motion control systems. The drive unit is responsible for the control of motor duties and the processing of feedback in machines that operate independently. Okuma integrates this unit into systems that necessitate efficient motor control and the rapid identification of issues.
The E4809-045-145-D VAC III-Drive Unit has two parts of LEDs that are used for real-time testing. In the first part, there are six LEDs that show different alarms, such as RES for restart, OS for overspeed, OH for overheat, and OL for overload. LEDs also show state, such as MSON for "motor on" and MRDY for "motor ready." The second part has LEDs 8–13 and shows alarms like SRO, AGREE, ZERO, LMS, and OV. With the LOSS and PH markers, it also shows signal loss and phase problems. There are fuses in the unit with ratings of 0.5A, 0.3A, and three 5.0A values that cover different circuits inside. By separating power and control faults, these keep things safe. Codes for watchdog errors (WDOG) and torque limit controls (TLMC) can be found in the diagnostic areas. There are extra labels on the drive that show CPU-ALM, POWER-ON, POWER-LOSS, and a digital ALARM No. section for more information about the state.
The E4809-045-145-D drive unit uses shorthand to show fault and operating states. The drive uses LEDs for LMS and LMS-C, which are limit switch signals, to reliably show the state. Control flow and auto parameter sets are made sure by LOOP and AWC. Disconnects and emergency stops are picked up by DSC and EM. To minimize downtime and maximize problem detection, the drive is set up in a certain way.
Frequently Asked Questions about E4809-045-145-D:
Q: Why does E4809-045-145-D show TLMC alarm?
A: Torque Limit Control (TLMC) alarm indicates that motor torque exceeded configured limits. This protects against mechanical strain and overload.
Q: Why does E4809-045-145-D use three 5.0A fuses?
A: Three 5.0A fuses are used to protect multiple power sections. They isolate and safeguard the drive from circuit damage.
Q: Why is RAER present on E4809-045-145-D panel?
A: RAER identifies resolver or encoder errors. This ensures accurate motor positioning and feedback for motion control systems.
Q: Do LEDs on E4809-045-145-D show phase loss?
A: Yes, PH on LED 13 signals phase loss detection. This helps prevent irregular power delivery and motor instability.
Q: Does E4809-045-145-D use watchdog error detection?
A: Yes, WDOG indicates watchdog timer faults. This prevents software lockups or communication failure within control loops.
