Introduction; Nj501 - Omron NJ Series Troubleshooting Manual

Introduction

Thank you for purchasing an NJ-series CPU Unit.
This manual contains information that is necessary to use the NJ-series CPU Unit. Please read this
manual and make sure you understand the functionality and performance of the NJ-series CPU Unit
before you attempt to use it in a control system.
Keep this manual in a safe place where it will be available for reference during operation.
Intended Audience
This manual is intended for the following personnel, who must also have knowledge of electrical sys-
tems (an electrical engineer or the equivalent).
• Personnel in charge of introducing FA systems.
• Personnel in charge of designing FA systems.
• Personnel in charge of installing and maintaining FA systems.
• Personnel in charge of managing FA systems and facilities.
For programming, this manual is intended for personnel who understand the programming language
specifications in international standard IEC 61131-3 or Japanese standard JIS B3503.
Applicable Products
This manual covers the following products.
• NJ-series CPU Units

• NJ501-15@@

• NJ501-14@@
• NJ501-13@@
• NJ301-12@@
• NJ301-11@@
Part of the specifications of the CPU Units are given in other manuals. Refer to Relevant Manuals on
page 2 and Related Manuals on page 21.
NJ-series Troubleshooting Manual (W503)
Introduction
1