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3
Features of the PC Link System
Section 1-1
Up to 32 Link Units in a
Single-level System
PC Link Units connected in a single operating level can exchange data
between a minimum of 2 and maximum of 32 PLCs. The size of the LR Area
is fixed at 64 words (1,024 points), so allocating more Link Relay bits to each
Unit will reduce the number of Units that can be connected in the PC Link.
Multi-level Systems
PC Link Units can be connected in a level configuration with up to 4 operating
levels. The operating level structure allows more complex distributed control.
32 Units max.
Node 0
Node 1
Node 30
Node 31
Link Adapter
Link Adapter
Node 0
(Level 2)
Node 0
(Level 1)
Node 1
Operating level 1
Node 14
Node 15
Node 0
(Level 3)
Node 1
(Level 2)
Node 2
Operating level 2
Node 14
Node 15
Node 0
(Level 4)
Node 1
(Level 3)
Node 2
Operating level 3
Node 14
Node 15
Node 1
Node 2
Operating level 4
Node 14
Node 15
Link Adapter
Summary of Contents for CVM1 Series
Page 1: ...Cat No W434 E1 01 SYSMAC CVM1 CV Series CVM1 LK401 PC Link Unit This manual is PDF file only...
Page 2: ...CVM1 LK401 PC Link Unit Operation Manual Produced July 2004...
Page 3: ...iv...
Page 5: ...vi...
Page 41: ...26 Differences from Earlier PC Link Units Section 2 6...
Page 77: ...62 Replacement Checklists Section 3 6...
Page 95: ...80 Link Adapter Specifications Appendix B...
Page 101: ...86 PC Link System I O Response Time Appendix C...
Page 103: ...88 PC Link Settings and Status Areas Appendix D...
Page 105: ...Revision History 90...