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Example - Private Line
Two or four-wire Private Line communications can be used on any CP-xx LINE-L or LINE-2 port. Two-wire
private line communications can also be used on PC-1/MC-1 Line option ports.

Configuration, Port List: Set Type to LINE-2 (for LINE-2 ports) or PLINE (for LINE-L or PC-1/MC-1
Line option ports). Set Baud Rate to 1200, Pre TX to 100 (ms) and Post TX to 50 (ms). Note: Pre and
Post TX can be reduced to 50 and 10 ms respectively in some installations.

Configuration, Network List: Set Target RTU to the address of the RTU to communicate with and Port
# to the port number configured above. Note: a network link is not required if the RTU is not initiating
messages.

Configure a communications block (eg. RX_DATA) in ladder logic to communicate with the target RTU.
Note: Each end of the private line cable should be terminated with a 600 ohm resistor. Please see the
Kingfisher Hardware manual, CP-xx Line/Radio Option Board for wiring details.
Toolbox 32 User Manual
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