Omron CJ2*-CPU Series User manual

Programmable Automation Controllers

Introducing the Flagship CJ2 CPU Units, with Built-in

Multifunctional EtherNet Port

Built-in EtherNet/IP ports

Tag based programming

Fast processing time

Large memory capacity

Fully compatible with CJ1 modules

CJ2SERIES

CJ2 – Omron’s New Small, Fast & Flexible

Modular Flagship PAC, with built-in

EtherNet/IP and Tag Based Programming

The CJ2 Programmable Automation Controller (PAC) delivers PAC features and capabilities as

deﬁned by ARC Advisory Group in Omron’s popular, compact modular CJ PLC platform.

Multi-domain functionality – CJ2 performs logic, motion, HMI and process control on a single platform.

Single multi-discipline development platform - Using a common tag database, PAC and HMI

programming can be developed in parallel, reducing development time. Omron’s CJ2 PAC, NS-Series

HMI’s and middleware all share the same tag database. CX-One Software incorporates 16 different

development tools.

Software tools that allow access across several machines - Omron’s CJ2 PACs supports Single

Point Multiple Access (SPMA) which enables set-up and programming of all local modules and remotely

networked modules.

Open, modular architecture - Omron’s CJ2 supports the capability to handle logic, position & motion

control, RFID, analog and temperature control, HMI, bar code, networking modules, communication

modules, smart sensors, vision and drives, all in a single modular platform.

Standardized Programming & Open Networks - Omron’s CJ2 supports all IEC61131-3 programming

languages: Ladder, Function Block, Structured Text, Sequential Function Chart (SFC) and Instruction List.

Open networks enable seamless communications using these protocols: Ethernet, EtherNet/IP, DeviceNet,

CompoNet, PROFIBUS, PROFINET, FLNet, MECHATROLINK-II and Serial (RS-232C, RS-422, RS-485).

CJ2 CPU’s – Offer built-in EtherNet/IP networking, High-speed, high-capacity data exchange between

PAC’s, PLC’s, HMI’s and I/O devices. EtherNet/IP can be used to perform both information and control

Networking, share up to 184,832 words over 256 nodes. CJ2 PAC’s can easily connect to Rockwell’s

ControlLogix and CompactLogix PLC’s using EtherNet/IP tag data links.

Key Features and Beneﬁts

Large Memory Capacity –

The CPU program memory capacity has been

increased up to 400K Steps, DM has increased

up to 800K while Function Block Program,

Symbol, Comment Memory has increased to

3.5MB. Large memory allows for larger more

versatile programs, well documented programs

makes it easier and faster to troubleshoot.

Fast –

Processing times are signiﬁcantly faster. Faster

production, faster development time, faster time

to market and higher throughput means higher

speed applications can be achieved.

IEC61131-3 Programming –

All 5 programming languages are supported

with the CJ2 PAC. Ladder, Function Block,

Structured Text, Instruction List and Sequential

Function Chart. Hundreds of Pre-built pre-test

Function blocks signiﬁcantly can reduce design

time. Standard programming languages allow

for fast, ﬂexible and powerful programming.

General-purpose Networks

for Support Software

Interface –

CX-One software applications can be easily

connected using standard USB and EtherNet

Cables via USB and EtherNet/IP ports.

Tag Based Programming –

CJ2 CPU Units have a tag name server to

manage tag names and I/O addresses.

This enables access from external devices

using tag names, without needing to know the

I/O addresses.

One Single Programming

Environment –

CX-One is Omron’s single programming

environment for PAC’s, PLC’s, HMI, Networks,

Process Control, Motion Control and Simulation

Software. Legacy PLC’s are supported and single

click conversion to new hardware makes for easy

migration. The software includes and Update service

that automatically checks for the latest update of

software.

Improved Debugging –

Online editing and data tracing have been

improved, greatly increasing the efﬁciency of

debugging. The data trace function is built into the

PAC and can monitor & store I/O and data in 1

ms time increments. This allows for easy and faster

debug time, which allows for faster time to market.

CJ2 Capabilities –

Offers functions such as motion control, process

control, RFID, Logic and Drives all on the same

controller platform. The modular architecture is

ideal for applications where the user is interested

in saving money by reducing development time &

increasing production.

High-capacity data memory is in demand to meet the need for quality control for equipment and

products and to provide real-time processing and collection of measurement data. Large program

capacity is also in demand due to the need for improving program reusability through modularization

and structured programming.

Faster and Higher-capacity CPU Units

Great Expanded Program Capacity and Data Memory Capacity

Ample capacity is provided for the data required for control operations.

The High-capacity CJ2H-CPU68-EIP Is Now Available.

» Program capacity: 400 Ksteps (1.6 times larger than before)

» Data memory capacity: 832 Kwords (2 times larger than before)

» Basic Instructions (0.016 µs)

And, All CJ2 Models Have more Capacity than CJ1 Models.

In addition, all models have more capacity than the equivalent CJ1-

series models to meet needs for structured programming and increasing

amounts of data.

Program capacity

400 Ksteps

250 Ksteps

150 Ksteps

100 Ksteps

50 Ksteps

30 Ksteps

Increased Capacity over CJ1-series CPU Units

64 Kwords 160 Kwords 352 Kwords 448 Kwords 512 Kwords 832 Kwords

CJ2-H

Data memory capacity

CPU64-EIP

CPU65-EIP

CPU66-EIP

CPU67-EIP

CPU68-EIP

CJ1 Product Lineup

Program capacity: 400 Ksteps

Data memory capacity: 832 Kwords

NEW

Automatic User Memory Recovery

Finer memory production processes have been

accompanied by problems such as bit corruption

caused by cosmic rays. With the CJ2 CPU Units,

corruption in the user program is detected and the

program recovered in real time before program

execution. This reduces equipment down time by

minimizing the number of times that operation is

stopped due to memory errors.

/O refresh speed

(for 1,000 words) CJ2

CJ1

330µs 2.4X

800 µs

Air cylinder

Previously

CJ2

Cosmic rays

User program

data is corrupted

User program

data is corrupted

Operation is stopped due

to memory error.

Data is automatically

restored and normal

operation continues.

Cosmic rays

(Thermal neutrons)

EtherNet/IP

Burst transfer

High-speed, high-capacity

CJ2 CPU

Sensor status is read

just prior to instruction

execution.

Output immediately

after instruction is

executed

Fiber Sensor

E3X-DA

Faster I/O Refreshing Using the Burst

Transfer Method

I/O refreshing between an EtherNet/IP Unit and

the CPU Unit is now performed at high speed

using the even faster and higher-capacity data

links for EtherNet/IP. This method is standard

for the CJ2 CPU Units. I/O refreshing is now

performed at up to 2.4 times the speed of

previous Communications Units.

NEW

High-speed System I/O Throughput

Improved basic performance enables ﬂexible

machine control.

Ample Instruction Execution Performance

for Machine Control

The CJ2 Series fully responds to customer

requests for improvement and

increased information.

» System Overhead

Common processing 200 µs

Interrupt response: 30 µs

» Basic Instructions

LD instruction execution: 0.016 µs

OUT instruction execution: 0.016 µs

» Floating-point Math

SIN calculation: 0.59 µs

Floating-point decimal addition and

subtraction: 0.24 µs

2.4

Times

» I/O Refreshing

16-point Basic I/O Unit: 1.4 µs

8-point Analog Input Unit: 50 µs

Faster Immediate I/O Refreshing

Immediate refreshing of basic I/O is also faster.

Real-time inputs and outputs while instructions

are being executed are up to 20 times faster

than before.

(Example: !LD instruction speed improved from 20 µs to 1 µs)

Times

EtherNet/IP

CJ2 CPU

Programmable Terminal

Host application

Data links

Message

communications

FTP

CX-One

HUB

CJ2 CPU CJ1-EtherNet/IP Unit

Message

communications

Data links

Transport

Layer

Data Link

Physical Layer

EtherNet/IP is an industrial network that uses the CIP real-time protocol in the EtherNet

application layer. (Standards: EN 50170 and IEC 61158)

Application

Layer FTP HTTP SMTP SNMP FINS

Network

Layer IP

ICMP IGMP

OSPF

IGRP

IEEE 802.3 EtherNet

CIP

TCP UDP

Real-time Data

Links

Explicit

Messages

ARP RARP

Networks Are More Open

EtherNet/IP is an open network that uses the TCP/IP protocol on EtherNet networks, which are widely used

in ofﬁces and factories throughout the world. The CJ2 CPU Units support EtherNet/IP as a standard feature.

Because EtherNet/IP uses TCP/IP, it provides the many advantages of EtherNet technology.

Universal EtherNet and FA Data Links Can Be Used at the Same Time.

With EtherNet/IP, One Port Is Enough.

FTP Communications, Data Links, and Support Software Can Be Used Simultaneously through

a Single Port.

The CJ2 CPU Units provide as standard equipment a multifunctional EtherNet port that supports EtherNet/

IP. There is no need to add an EtherNet Unit, because universal EtherNet communications, such as data links

between PAC’s, message communications between PAC’s, and FTP transfers, are all enabled simultaneously

through this one port while Support Software is connected.

Create a Seamless Data Flow in a Single Network System.

Because it is based on the world-standard CIP open protocol, a seamless data ﬂow can be achieved between

control lines and information monitoring lines in a single network system. From here on, EtherNet/IP will be

increasingly used in multi-vendor environments (such as robotics and safety devices).

NEW

Host application

Support Software CJ1 or CJ2 CPU Unit

PLC Programmable

Terminal NS Series

FA wireless

LAN WE70

Data Links

FINS Messaging

FTP

Time Coordination

Tag Access

Easy Monitoring with Excel

PAC Access with Visual Basic/C#.NET

CX- Reporter

CX- Compolet

Built-in EtherNet/IP port on CPU Units

(multifunctional EtherNet port)

CIP Messaging

Switching hub

Tag access

180,000 words…9X

Data Link

Capacity (Total)

EtherNet/IP

Controller Link

FL-net(OMRON)

20,000 words

8,704 words

10ms 30X

Data Link

Performance

(See note.)

EtherNet/IP

Controller Link 300ms

Note: Communications cycle time for 20,000 words

EtherNet/IP

CJ2 CPU Unit

Designing requires tag

names only, with no need to

worry about addresses.

Tags are automatically

allocated to the high-

capacity EM Area.

NEW

Times 9

Times

NEW

Extremely Fast and High-capacity Data

Links Compared to Previous FA Networks

Large Data Transfers with High Reliability.

High-speed and High-capacity

Data Links

From manufacturing recipes and information

on interlocks between processes to production

data, any type of data can be exchanged

at high speed and at the optimal timing.

Communications performance is vastly

improved over OMRON’s Controller Link and

FL-net networks.

Automatic Address Allocation Is Expanded

to Up to 240 Kwords, Enabling Allocation of

Large Amounts of Data.

The memory size of the EM Area for automatic

address allocation in CX-Programmer symbol tables

has been expanded to a maximum of 240 Kwords.

When a tag is automatically allocated, data link

design and access from the host are enabled with

no need to be conscious of addresses. Moreover,

bits can be force-set/reset in the areas in which

data is automatically allocated.

Peripheral Devices (such as Cables, Hubs, and

Wireless Devices) Can Be Used With Universal

EtherNet Technology.

The convenience of a global standard at your

ﬁngertips.

»Using Universal EtherNet Reduces Network

Installation and Wiring Costs.

»FA Wireless LAN Makes Mobile Control Easy,

with No Need for Rewiring when

Changing Layout.

No Need for Memory Map Control.

The CJ2 CPU Units introduce a new feature called tag access, to reduce your TCO (Total Cost of Ownership)

for systems that use Programmable Terminals, multiple PAC’s, and host applications. Tags allow freedom from

memory maps.

Simultaneous Development Takes the Stress Out of Short Deadlines.

No Need for Address Allocation Adjustments in Post-processing.

The various Controllers do not depend on addresses, so parallel development at each Controller is enabled

by ﬁrst simply determining the tag names. There is no need for subsequent address allocation.

Example: Programmable Terminal and CJ2 Development

NEW

The screens are created

Addresses are determined while

creating the ladder program.

The screens are created with no need

to pay attention to addresses.

» Simultaneous Development for Programmable

Terminal and CJ2 CPU Unit

Programmable Terminal screens can be designed

using tag names deﬁned in the CJ2 CPU Unit. There

is no need to adjust address allocations in post-

processing.

» Simultaneous Development for Host Application

and CJ2 CPU Unit

Designing can be carried out simply by setting tag

names in the information section and the control

design section. There is no need for physical ad-

dresses in the network interface speciﬁcations.

» Data Links between CJ2 CPU Units

Simply setting tag names allows development to

proceed simultaneously among multiple designers

and multiple vendors. It is then easy to subsequently

change the sizes of data links.

The PLC program is ﬁrst

created, and then the ladder

program is referenced to

create the screens.

The screen graphics are

created in advance, and

then addresses are allocated

and checked after the ladder

program is completed.

Case 1

Case 2

CJ2

By simply setting tag names, PAC and

Programmable Terminal programming

can be performed in parallel.

Tag name

Number_produced

Production_target

Address

Undetermined

Previously

Ladder program is created.

Ladder program is created. Programmable Terminal screens

are created.

Programmable Terminal screens are

created (graphics only).

Addresses are allocated and

the allocations are checked.

The addresses are set.

Design time is shortened

Ladder program is created.

The Ease of Changing Designs Makes It

Simple to Add or Upgrade Equipment.

There is little effect on address changes.

Previously, when data was exchanged by

address speciﬁcation and addresses were

changed, the program had to be changed at

other Controllers and various operations, such as

memory checks, had to be performed. Now, tag

names eliminate the dependence on a memory

map and the need for checking items affected

by changes. This allows equipment to be easily

added or upgraded.

CJ2 CPU

Programmable Terminal

NS Series

EtherNet/IP

Host application

No change required.

Even after the change, the

number of items produced

is acquired correctly from

H200.

With the CX-Programmer, the ad-

dress for the tag named “Number

produced” is changed from D100

to H200.

Change

D100

H200

tag name address

Change

No change required.

Number_produced

Assurance of Quality, Free from Mistakes.

Tags can be shared among the CJ2 CPU Units,

NS-series PTs and Middleware. Tag names can

be shared among controllers that exchange

data using the CX-One or Excel import/export

functions. Because redundant address entry and

address allocation are not needed, checking is

also not required. This makes it easy to construct

high-quality systems.

What is Tag Access?

A tag is a name given to an address. Tags are

managed in the CJ2 CPU Unit, where they are

deﬁned as network symbols. The common user-

deﬁned tag names are used from Programmable

Terminals and host applications to access memory

in a CJ2 CPU Unit without knowing the actual

memory address.

NEW

CX-Programmer symbol tables can

be copied and pasted!

Copy

Paste

CX-Designer symbol table

CX-Programmer symbol table Tag name

Number_produced

Production_target

Physical address

D100

D200

Tags are managed in the CJ2 CPU Unit as network symbols.

Data

&200

&500

Address

D100

D200

Symbol Table I/O Memory

EtherNet/IP

CJ2 CPU CJ2 CPU CJ2 CPU

Accessed by tag nameAccessed by tag name

Accessed by tag name

Number_produced

Programmable Terminal

NS Series Host application

Number_produced

Programmable Terminal screen

Created using tag names. Application

Developed using tag names.

PAC ladder program

Developed using tag names.

Number_produced

Data links using tag names

Data link design

Allocated using tag names.

Connecting Support Software is Now

Easier and Safer.

Using General-purpose Networks for Support Software Interface. Connecting to a USB or EtherNet/IP port is

easy, by commercially available cable used around the world.

Easy Connection by USB

Commercially available cable can be connected to a USB port on the front panel of the CPU Unit.

» Simply Connect the Cable, with No Settings Required.

NEW

Commercially available USB cable

USB port (standard equipment)

CX-One (e.g., CX-Programmer)

» A CJ2 CPU Unit on an EtherNet/IP Network Can Be Accessed Via USB, with No Need for Routing Tables.

USB

EtherNet/IP

CX-One (e.g., CX-Programmer)

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