This document is the Hitachi NJI-481F(X) programmable controller application manual.
This service manual provides detailed instructions for installing, wiring, and maintaining the Hitachi NJI-481F(X) programmable controller. It includes safety precautions, system configuration, module specifications, and troubleshooting procedures. The manual also covers maintenance tasks, error codes, and operational guidelines for safe and effective use of the unit.
The document is structured into chapters covering general specifications, CPU module, power supply, I/O controllers, digital and analog modules, positioning modules, communication modules, accessories, installation, boot operations, maintenance, and troubleshooting. Revision history is included, showing updates from 2006 to 2014.
| Model | NJI-481F(X) |
|---|---|
| Revision History | Updated to NIL-481F(X) in 2014 |
| Warranty Period | 18 months from manufacture or 12 months from installation (whichever is shorter) |
The warranty period is the shorter of 18 months from the date of manufacture or 12 months from the date of installation.
The warranty period is the shorter period either 18 months from the date of manufacture or 12 months from the date of installation.
Turn off the power supply before removing or attaching module/unit.
Always perform grounding (FE terminal).