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Peer-to-Peer Network |
This is the simplest configuration and provides a direct link between a single Hitachi PLC and an Elipse Software application. The physical link used is an RS-232 serial cable with the configuration described on the next table.
Configuration of an RS-232 serial cable
DB9 (Computer) |
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DB15 (PLC, Programming port) |
|---|---|---|
2 - RXD |
----------------------- |
2 - TXD |
3 - TXD |
----------------------- |
3 - RXD |
4 - DTR |
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7 - DSR |
5 - GND |
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9 and 10 GND (jump) |
7 - RTS |
----------------------- |
5 - CTS |
8 - CTS |
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4 - RTS |
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8 and 14 - 19200 bps (jump) |
Addressing, in this case, must be the same presented in the architecture with LINK Modules.