LAM 810-066590-004 VME bus backplane/interface expansion board

LAM Research 810-066590-004 is a VME Backplane/Interface PCBA specially designed for semiconductor machines.

Core components belonging to the LAM Alliance and the 2300 series platform.

It is usually installed in the main control chassis (Card Cage) as the physical and electrical hub for connecting various functional boards (such as the VIOP III and analog AIO boards you mentioned earlier).

1. Product technology positioning

In the control pyramid of LAM machines, 810-066-590-004 plays the role of a “highway” :

Manufacturer: LAM Research

Component type: VMEbus Interface/Distribution Board

Hardware version: -004 (usually indicating that it has specific signal distribution capabilities or enhanced power filtering performance)

Core functions: Signal distribution, power management, and communication routing between slots.

2. Connection with the KUKA robot system

In the LAM machine integrated with the KUKA KRC2 processing unit, the role of this board card is irreplaceable:

Signal convergence point: All status signals emitted by the DSE-IBS (00-117-336) of the KUKA robot will eventually converge on this backplane and be distributed to the host CPU.

Security interlock logic channel: It is part of the “hardware security chain”. If there is a problem with the power distribution of this board card, the KUKA robot will not be able to obtain the 24V External Enable signal, resulting in the robot being locked.

DC power distribution: It precisely allocates the 27V/5V DC power provided by power modules such as PH1003-2840 to each functional slot, ensuring the stability of VME bus communication.

3. Common Fault Phenomena and Diagnosis

Since this board card is mainly responsible for physical connection and power transmission, its faults are usually “global” or “mass” :

VME slot deadlock: If a specific slot’s board card (such as an analog quantity board) frequently disconnects and replacing the board card is ineffective, it usually indicates that the pins on the 810-066-590-004 slot have become bent, burned or oxidized.

Logic power supply voltage drop: When the load is high, the copper foil traces on the board or the aging of filter capacitors may cause voltage drops, resulting in the loss of the robot’s communication Heartbeat.

Communication interference: If the shielding layer of the backplane is damaged, high-frequency noise will be introduced, causing flickering of the I/O signal of the KUKA robot.

4. Maintenance and Replacement Suggestions

Check the pin header: Be extremely careful when disassembling. The 96-pin or 160-pin DIN connectors of VME boards are very precise. If forcibly plugged and unplugged, the pins on the backplane will be damaged.

Voltage measurement: It is recommended to regularly measure the +5V and +12V voltages at the backplane test points. Since your system is using a 27V conversion, make sure there are no signs of overheating on the on-board voltage regulator on the 810-066590-004.

Summary: The full diagram of your LAM/KUKA system

All the components you have inquired about constitute a complete semiconductor robot control chain:

PH1003-2840: Provide power (power supply).

810-066590-004: Provide channels (backplane).

810-046015 (VIOP III) : Processing logic.

810-099175 (AIO) : Monitor the environment.

DSE-IBS (00-117-336) : Directs the movements of KUKA robots