Omron CJ2 manual Highly Readable Programming, Bit Addresses can be used in the DM Area and EM Area

More Flexible Programming

The Greatest Program Diversity in the industry. A programming environment has been created that is highly readable and can flexibly support changes in specifications, to enable efficient design and program entry with few mistakes.

Highly Readable Programming

Programs are easy to see and easy to understand.

Bit Addresses can be used in the DM Area and EM Area.
	NEW

DM and EM Area bits could not be specified with the previous SYSMAC PLCs, but they can with the CJ2 CPU Units.

Examples

D100.05: Bit 05 of D100

E0_100.05: Bit 03 of E0_100

Bit	15	14	13	12	11	10	9	8	7	6	5	4	3	2	1	0
D100
										D100.05
	D100.05			D200.00									E0_100.03

BCD and Binary Timer Instructions can be used Together.

NEW

With the CJ1 CPU Units, it was necessary to select in the initial setup of the CPU Unit whether BCD or binary was to be used as the data format for timer instructions. With the CJ2 CPU Units, BCD or binary can be selected individually for each instruction by setting the data format of the timer set value.

The BCD TIM and binary TIMX instructions can be used together.

W0.00

TIM

0001

#10

W0.01

100-ms timer (BCD)

Timer number

Set value

TIMX(550)

0002

#01FF

100-ms timer (binary)

Timer number

Set value

Address Offsets can be Specified
									NEW
An offset can be specified in brackets after a starting
address to offset the starting address. If an address		D100	[W100]
in I/O memory is specified as the offset, the final					Offset n (number of words)
address can be dynamically specified according to			Starting word address
the contents of the specified memory address.							CH 15	0
Example	Starting word address: D100
D100[W100]: D100 is the starting address and the contents of W100				Offset		+n
is the offset. If W100 is &5, then D105 is specified.

Array Variables make Data Specification Easier to Understand.

By using array variables, any data in a string of data can be expressed using a subscript, making programming easy to understand. Array variables can also be used for data stacks and function block I/O variables. Because they can be set for network symbols, the exchange of multiple data items with external devices can be easily programmed. (Usable languages: Ladder, ST, SFC).

Example
Array Variable: ABC			Ladder language:
0			Copy ABC[3] to D200
	WORD data
1	WORD data	To access		5.00
2	WORD data	this data,			MOV
3					ABC[3]
	WORD data
		specify ABC
4					D200
	WORD data
		[3].
5
	WORD data		ST language:
6	WORD data
			Substitute ABC[0] to ABC[3].
7	WORD data

8WORD data

9WORD data

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