Product Description
The Nachi UM840 is a Servo Control PC Board (PCB) designed for use in Nachi industrial robot and automation systems. This board functions as a servo driver PC board, providing the control interface between the robot controller and the servo drive system. It supports AC servo control with DSP-based motion control, is compatible with absolute encoders, and enables multi-axis control in industrial robot applications. It is a replacement/spare part used in Nachi robotic and motion control equipment, and is also referenced under the associated part number UM840D.
Technical Specifications
| Specification | Value |
|---|---|
| Brand | Nachi |
| Model / MPN | UM840 |
| Associated Part Number | UM840D |
| Manufacturer | Nachi-Fujikoshi Corp. |
| Product Type | Servo Driver PC Board |
| Current Type | AC |
| Number of Phases | 3-Phase |
| Features | AC Servo Control, DSP Motion Control, Absolute Encoder Compatible, Multi-Axis Control |
| Application | Nachi Industrial Robot / Motion Control Systems |
| Board Type | Printed Circuit Board (PCB) |
| Series / Family | UM Series (Nachi Robot Control Boards) |
| Related Models (Same Family) | UM820A, UM836A, UM842, UM860B, UM886 |
| Voltage / Electrical Specs | See label / Not published |
| Detailed Technical Specs | Not publicly available — consult Nachi documentation |
We warranty all items for 30 days from date of purchase.
Other Details
We warranty all items for 30 days from date of purchase. If you experience any issues with your item within this period, please contact us and we will work with you to resolve the problem. This warranty covers defects in functionality but does not cover damage caused by misuse, improper installation, or normal wear and tear.Product Videos
Custom Field
Shelf FC 1 Shelf 9
Model UM840
MPN UM840
Type Servo Drive
GTIN 679523686161
Part Type Servo Driver PC Board
Application Nachi Industrial Robot / Motion Control Systems
Manufacturer Nachi
Part Number UM840
Series UM Series
