CJ1W-PRM21 Operation Manual

Introduction

Manual Structure

Page Structure

The following page structure is used in this manual.

Level 2 heading

Level 3 heading

A step in a procedure

Indicates a procedure.

4 Installation and Wiring

4-3 Mounting Units

4-3-1 Connecting Controller Components

The Units that make up an NJ-series Controller can be connected simply by pressing the Units together and locking the sliders by moving them toward the back of the Units. The End Cover is connected in the same way to the Unit on the far right side of the Controller.

1

Join the Units so that the connectors fit exactly.

Hook

Connector

Hook holes

Special information

Icons indicate precautions, additional information, or reference information.

2

The yellow sliders at the top and bottom of each Unit lock the Units together. Move the sliders toward the back of the Units as shown below until they click into place.

Move the sliders toward the back until they lock into place.

Lock

Release

Slider

4

The sliders on the tops and bottoms of the Powe r Supply Unit, CPU Unit, I/O Units, Special I/O

Units, and CPU Bus Units must be completely locked (until they click into place) after connecting the adjacent Unit connectors.

Level 1 heading

Level 2 heading

Level 3 heading

Gives the current headings.

Page tab

Gives the number of the main section.

8

NJ-series CPU Unit Hardware User’s Manual (W500)

4-9

Manual name

This illustration is provided only as a sample. It may not literally appear in this manual.

Special Information

Special information in this manual is classified as follows:

Precautions for Safe Use

Precautions on what to do and what not to do to ensure safe usage of the product.

Precautions for Correct Use

Precautions on what to do and what not to do to ensure proper operation and performance.

Additional Information

Additional information to read as required.

This information is provided to increase understanding or make operation easier.

Note References are provided to more detailed or related information.

CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509)

Introduction

Precaution on Terminology

In this manual, “download” refers to transferring data from the Sysmac Studio to the physical Controller and “upload” refers to transferring data from the physical Controller to the Sysmac Studio.

In this manual, the CJ1W-PRM21 Unit may be referred to as “PROFIBUS Master Unit”, “Master Unit”, or “PRM21 Unit”. Also, the CJ1W-PRT21 Unit may be referred to as “PROFIBUS Slave Unit”, “Slave

Unit”, or “PRT21 Unit”.

CJ-series PROFIBUS Master Unit Operation Manual for NJ-series CPU Unit (W509) 9