E4809-045-109-D Okuma
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MPN: 1911-1533-22-53
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The Okuma E4809-045-109-D is an SVP Board II from the E4809 CNC Boards series, supporting control for 2 brushless servo motor axes with absolute position encoder feedback. It includes a single SPC1 standard add-on card and provides interfaces for pulse generators, handle, A/D, as well as D/A conversion with ±10 V output.
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Product Description:
The E4809-045-109-D belongs to the E4809 CNC Boards series produced by Okuma. As a motion-control sub-assembly, this SVP controller board coordinates two servo axes inside an Okuma machining center and translates digital commands from the CNC into real-time drive signals. By housing axis processing on the board rather than in the main CPU, the part offloads interpolation tasks and maintains deterministic loop timing needed for industrial automation.
This board is classified as an SVP Board II and natively supervises 2 controlled axes. Command values enter through a single A/D channel with a range of 0-10 V, while drive references are delivered by one D/A channel with an output of ±10 V. Inside the digital signal processor, axis error and compensation data are resolved into the computed lines RAPA, RCON, RDIFF, allowing the host CNC to monitor following error and real-time position. The board also provides one pulse generator interface for incremental encoder counts and one pulse-handle input for manual jog commands. Six discrete sensor terminals accept limit or home switches, and the standard assembly includes one SPC1 daughter card for ancillary I/O.
Axis expansion is possible because each SPC1 card adds one additional axis. Absolute position is returned by an integrated feedback loop that relies on an Absolute Position Encoder, eliminating homing cycles at power-up. Drive stages connected to the board must be brushless servo amplifiers, ensuring current vector control aligns with the control algorithms used by the system. A chassis can host up to 3 SPC1 cards, which expands the platform beyond its base axis count while keeping timing consistent. The interface layout continues to support manual feed and position-related control functions without changing the board’s core motion-processing role.
Frequently Asked Questions about E4809-045-109-D:
Q: How many axes can the E4809-045-109-D board control?
A: The E4809-045-109-D board can control two axes with its integrated features.
Q: What type of position feedback does the E4809-045-109-D provide?
A: This board uses an absolute position encoder for position feedback, ensuring precise axis control.
Q: What type of servo motor is compatible with the E4809-045-109-D?
A: The E4809-045-109-D supports brushless servo motors for efficient and reliable motion control.
Q: What kind of A/D interface is available on the E4809-045-109-D board?
A: It includes a single channel analog-to-digital interface supporting 0-10 V input signals.
Q: How many sensor inputs are there on the E4809-045-109-D?
A: This model has 6 dedicated sensor inputs for versatile connectivity to external sensors.
