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Chapter 3: Starting Your PowerStation PowerStation Connectors
PA PowerStation User Guide 3-2
communication standards that the controller supports. Use a standard DB9
connector for communicating with this port.
Note: If you are using RS-232 communications, the length of the serial
cable should not exceed 50 feet (15 meters).
RS-422 and RS-485 communications offer greater noise immunity than
RS-232. These standards increase the maximum cable length to 4,000 feet
(1,200 meters).
RS-422 communications are full-duplex (send and receive simultaneously),
while RS-485 communications are half-duplex (send or receive).
For either configuration, be careful not to connect any wires to unused
connector pins. If you are using Parker’s MachineShop software,
information on the specific connection required for the Interact drivers you
will use is located in the Help file associated with the driver.