2

CJ1G-CPU4

@P

System Configuration

CJ1 Loop Control Units

Applicable standards

Refer to the OMRON website (www.ia.omron.com) or ask your OMRON representative for the most recent applicable standards for each model.

Note: Current consumptions include current for a Programming Console. Add 0.15 A per Adapter when using NT-AL001 RS-232C/RS-422A

Adapters. Add 0.04 A per Adapter when using CJ1W-CIF11 RS-422A Adapters.

Product

name

Specifications

Current consumption (A)

Model

CPU Unit

Loop Controller

5 V

24 V

I/O capacity/

Mountable Units

(Expansion Racks)

Program

capacity

Data memory

capacity

LD instruction

execution time

CJ1G

Loop-control

CPU Units

1,280 points/40 Units

(3 Expansion Racks

max.)

60K steps

128K words

(DM: 32K words,

EM: 32K words

×

3 banks)

0.04

μs

Number of function blocks:

300 blocks max.

1.06

(See note.)

−

CJ1G-CPU45P

CJ1G-CPU45P-GTC

30K steps

64K words

(DM: 32K words,

EM: 32K words

×

1 bank)

1.06

(See note.)

−

CJ1G-CPU44P

960 points/30 Units

(2 Expansion Racks

max.)

20K steps

1.06

(See note.)

−

CJ1G-CPU43P

10K steps

Number of function blocks:

50 blocks max.

1.06

(See note.)

−

CJ1G-CPU42P

*

CMND

PID

Loop Controller

CPU Unit

Analog

Input/Output Unit

Basic I/O Unit

I/O memory

Computer

User Program

Ex: Wiring of ITEM

data in operation

blocks using FINS

commands

Input 1 of Analog

Input Unit

Input 2 of Analog

Input Unit

Field Terminal

block

Analog

Input

Analog

input

Field Terminal

block

Output of Analog

Output Unit

Field Terminal

block

Analog

output

Control block

All functions are achieved by software wiring between any combinations of function blocks.

Operation block

*: Data is exchanged via

allocated words in

the CPU Unit's

CIO Area

I/O memory

HMI data

in

specified

bank of

EM area

Control and

operation

blocks

External controller

blocks

Sequence table

and step ladder

blocks

Allocated

ITEMs

Allocated

ITEMs

HMI

function

Allocated

ITEMs from

control,

operation,

and external

controller

blocks

User link

table

Tag A

Tag B

Tag C

Tag D

User-

specified

words

*

CSV tags

specified.

CSV tags

specified.

Addition

/Subtraction