E4809-770-116
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The Okuma E4809-770-116 ACP board enables closed-loop motor control and precise motion execution. It is equipped with dual 120-pin edge connectors and a 16.000 MHz quartz crystal oscillator. Its multilayer PCB structure and onboard firmware offer synchronized axis handling with embedded microcontrollers for real-time processing tasks.
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Product Description:
The model E4809-770-116 functions as an Axis Control Processor (ACP) Board within OPUS7000 based CNC systems. It interprets commands from the main CPU and performs closed loop motor control using its onboard logic and firmware. This board manages the execution of motion profiles, handling the feedback loops and signal timing essential for synchronized axis movement.
This E4809-770-116 ACP board features a multilayer printed circuit board construction inferred to be at least four layers based on the high density of signal traces and via placements. It includes two large 120 pin edge connectors (XBP2L and XB2L) which manage data and power communication with the backplane. A DB 26 female D sub connector (XB-PNL) allows external connections for control panels or interface units. Three internal headers—XB1, XB2 and XB3—are placed for board to board communication or internal diagnostics. This board layout includes a metal faceplate and two front handles with locking mechanisms to ensure secure mounting within the chassis. Power is delivered to this board via the edge connectors from the backplane typically at + 5 V, + 12 V and – 12 V levels. This board houses multiple memory chips including the HN62321BP CMOS EPROM from Hitachi with a capacity of 32Kb.
This Okuma E4809-770-116 ACP board also contains other programmable ROMs such as HCG302, FCG and ACPB300A which store firmware for boot sequences, control logic and motor axis configuration. Processing tasks are handled by custom OKUMA branded ICs including OPC8051, OPC8071 and OPC8093. They functions as microcontrollers, DSPs or ASICs depending on the task. These components are tailored for executing PID control loops and precise motion profiles. A 16.000 MHz quartz crystal oscillator provides system clock signals.
Frequently Asked Questions about E4809-770-116:
Q: How does the Okuma E4809-770-116 board manage synchronized axis control in OPUS7000 CNC systems?
A: It interprets commands from the main CPU using onboard firmware for motion control. The board handles closed loop feedback and signal timing to execute synchronized motion profiles.
Q: How do the edge connectors on the E4809-770-116 ACP board support power and data handling?
A: Dual 120 pin edge connectors named XBP2L and XB2L transmit power and system data. They interface directly with the backplane to stabilize board operations at +5V +12V and –12V.
Q: Why are the programmable ROMs like HCG302 and ACPB300A essential in Okuma E4809-770-116?
A: They store firmware needed for boot sequences and motor axis configurations. These ROMs also define control logic for motion accuracy and processor coordination.
Q: What internal diagnostics are enabled by the XB1 XB2 and XB3 headers in E4809-770-116?
A: These headers enable internal board-to-board communication and test signal points. They help in diagnosing failures and verifying functional logic paths.
Q: How does the Okuma E4809-770-116 maintain timing accuracy for processing motion commands?
A: A 16.000 MHz quartz crystal oscillator supplies stable clock signals to the control ICs. It synchronizes system processing and ensures precision in PID loop execution.
