Omron SYSMAC CJ1W-EIP21 User Manual

Page 251

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225

Communicating between OMRON PLCs

Section 8-6

Commands Addressed to CS/CJ-series CPU Units

The following table provides a list of FINS commands that can be processed
by a CS/CJ-series CPU Unit. For details, refer to the CS/CJ-series Program-
mable Controllers Communications Commands Reference Manual
(W342).

For details on FINS commands that can be processed by the EtherNet/IP Unit
or built-in EtherNet/IP port, refer to Appendix E FINS Commands Addressed
to EtherNet/IP Units or Built-in EtherNet/IP Ports
.

Usage

Command

code

Name

Function

MR

SR

I/O memory area
access

01

01

MEMORY AREA READ

Reads the contents of consecutive I/O
memory area words.

01

02

MEMORY AREA WRITE

Writes the contents of consecutive I/O
memory area words.

01

03

MEMORY AREA FILL

Writes the same data to the specified
range of I/O memory area words.

01

04

MULTIPLE MEMORY AREA READ

Reads the contents of specified non-
consecutive I/O memory area words.

01

05

MEMORY AREA TRANSFER

Copies the contents of consecutive I/O
memory area words to another I/O
memory area.

Parameter access
(registered I/O
tables, routing
tables, etc.)

02

01

PARAMETER AREA READ

Reads the contents of consecutive
parameter area words.

02

02

PARAMETER AREA WRITE

Writes the contents of consecutive
parameter area words.

02

03

PARAMETER AREA FILL (CLEAR)

Writes the same data to the specified
range of parameter area words.

Program area
access

03

06

PROGRAM AREA READ

Reads the UM (User Memory) area.

03

07

PROGRAM AREA WRITE

Writes to the UM (User Memory) area.

03

08

PROGRAM AREA CLEAR

Clears the UM (User Memory) area.

Operating mode
changes

04

01

RUN

Changes the CPU Unit’s operating
mode to RUN or MONITOR.

04

02

STOP

Changes the CPU Unit’s operating
mode to PROGRAM.

Machine configura-
tion reading

05

01

CPU UNIT DATA READ

Reads CPU Unit data.

05

02

CONNECTION DATA READ

Reads the model numbers of the device
corresponding to addresses.

Status reading

06

01

CPU UNIT STATUS READ

Reads the status of the CPU Unit.

06

20

CYCLE TIME READ

Reads the maximum, minimum, and
average cycle time.

Time data access

07

01

CLOCK READ

Reads the present year, month, date,
minute, second, and day of the week.

07

02

CLOCK WRITE

Changes the present year, month, date,
minute, second, or day of the week.

Message display

09

20

MESSAGE READ/CLEAR

Reads and clears messages, and reads
FAL/FALS messages.

Access rights

0C

01

ACCESS RIGHT ACQUIRE

Acquires the access right as long as no
other device holds it.

0C

02

ACCESS RIGHT FORCED ACQUIRE

Acquires the access right even if
another device already holds it.

0C

03

ACCESS RIGHT RELEASE

Releases the access right that has been
acquired.

Error log

21

01

ERROR CLEAR

Clears errors or error messages.

21

02

ERROR LOG READ

Reads the error log.

21

03

ERROR LOG POINTER CLEAR

Clears the error log pointer.

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