Controller Link Units Operation Manual

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Introduction Section 6-1

curring by performing resend processing at the node where instructions

are issued. With the SEND, RECV, and CMND instructions, resend pro-

cessing is performed automatically once the number of retries has been

set, so be sure to specify a number other than “0” for the number of retries.

Example: Commands for CVM1, CV-series and CS/CJ-series PLCs

Type of command Code CS/

CVM1/

For memory areas (CIO,

DM, EM, TC, transition, step,

forced ON/OFF)

MEMORY AREA READ 0101 Yes Yes

MEMORY AREA WRITE 0102 Yes Yes

MEMORY AREA FILL 0103 Yes Yes

MULTIPLE MEMORY AREA

READ

0104 Yes Yes

MEMORY AREA TRANS-

FER

0105 Yes Yes

For parameter areas (PLC

system setting, I/O table reg-

istration, routing table, etc.)

PARAMETER AREA READ 0201 Yes Yes

PARAMETER AREA WRITE 0202 Yes Yes

PARAMETER AREA CLEAR 0203 Yes Yes

For program areas (UM) PROGRAM AREA PRO-

TECT

0304 Yes Yes

PROGRAM AREA PRO-

TECT CLEAR

0305 Yes Yes

PROGRAM AREA READ 0306 Yes Yes

PROGRAM AREA WRITE 0307 Yes Yes

PROGRAM AREA CLEAR 0308 Yes Yes

PLC mode RUN 0401 Yes Yes

STOP 0402 Yes Yes

PLC model data CONTROLLER DATA READ 0501 Yes Yes

CONNECTION DATA READ 0502 Yes Yes

PLC status data CONTROLLER STATUS

READ

0601 Yes Yes

CYCLE TIME READ 0620 Yes Yes

PLC internal clock CLOCK READ 0701 Yes Yes

CLOCK WRITE 0702 Yes Yes

Messages MESSAGE READ 0920 Yes Yes

MESSAGE CLEAR Yes Yes

FAL/FALS READ Yes Yes

Access rights ACCESS RIGHT ACQUIRE 0C01 Yes Yes

ACCESS RIGHT FORCED

ACQUIRE

0C02 Yes Yes

ACCESS RIGHT RELEASE 0C03 Yes Yes

Error data ERROR CLEAR 2101 Yes Yes

ERROR LOG READ 2102 Yes Yes

ERROR LOG CLEAR 2103 Yes Yes