Omron CVM1 Series, Operation Manual

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2
Features of the PC Link System Section 1-1
1-1 Features of the PC Link System
A PC Link System is a communications system that exchanges I/O data
between PLCs independent of programming in the ladder program. The
CVM1-LK401 is the PC Link Unit for SYSMAC CVM1/CV-series PLCs.
Exchange Data between
PLCs without
Programming Extra programming is not required to communicate through the PC Link Sys-
tem. PLCs with PC Link Units mounted can exchange data through their
shared LR Areas.
Up to 1,024 Bits in the
Data Exchange The PC Link System shares LR Areas to exchange up to 1,024 bits of data
(64 words).
In the CVM1/CV-series and CS-series PLCs, words CIO 1000 to CIO 1063
are allocated as the LR Area.
In the C-series PLCs, words LR 00 to LR 63 are used as the LR Area. (In the
C500, the area is LR 00 to LR 31.)
PC Link Unit (CVM1-LK401)
PC Link
CVM1
TIM0100
1000.00 050000
Status of CIO 1000.00 in CVM1
is reflected in LR 00.00 in
CI000H.
003.00
PC Link
Content of LR 50 in C1000H
is reflected in CIO 1050 in
CVM1, where it becomes
SV for TIM 0100.
1050
0000.00
0002.00
PLC
(CVM1/CV, CS, C200H
@ , or
C500/C1000H/C200H Series)
PLC
(CVM1/CV Series)
MOV (21)
#0200
LR50
LR00.00
PC Link Unit
(CVM1-LK401, C500-LK009-V1,
or C200H-LK401)
C1000H
PLC series Applicable PLCs LR Area
CVM1/CV Series CVM1, CV500/CV1000/CV2000, and
CVM1D
CIO 1000 to CIO 1063
CS Series CS1 CIO 1000 to CIO 1063
C Series C1000H/C2000H, C200H/C200HS,
C200HX/HG/HE LR 00 to LR 63
C500 LR 00 to LR 31