PC(PLC) link
The FP-X supports the link system that connects the PC(PLC) link corresponding to the MEWNET-W0
(max. 16 units) with the twisted pair cables.
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In a PC(PLC) link, data is shared with all PLCs connected via MEWNET using dedicated internal relays
called link relays (L) and data registers called link registers (LD).
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If the link relay contact for one PLC goes on, the same link relay also goes on in each of the other
PLCs connected to the network. Likewise, if the contents of a link register are rewritten in one PLC, the
change is made in the same link register of each of the other PLCs connected to the network.
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The status of the link relays and link registers in any one PLC is fed back to all of the other PLCs
connected to the network, so control of data that needs to be consistent throughout the network, such
as target production values and type codes, can easily be implemented to coordinate the data, and the
data of all units are updated at the same time.
- Link relay
In the figure below, when link relay L0 of the master station (no.1) turns on, this signal is converted by
the programs of the other stations, and Y0 of the other stations is activated.
- Link register
In the figure below, if a constant of 100 is written to LD0 of the master station (no.1), the contents of LD0
in the other stations are also changed to a constant of 100.
Only the COM1 port can be used for the PC(PLC) link. (Excluding AFPX-COM5)
Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]
Summary of Contents for AFPX-C30R
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