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ESTABLISHING COMMUNICATIONS
The On-line Options in PCX require serial communications between the personal computer and
the positioning drive. When selecting On-line Options the first time, PCX will attempt to
communicate by transmitting a character and then receiving the echo. When the echo is the
same as the character transmitted then communications have been established. PCX tries this
procedure with all the possible baud rates. Once PCX has established communications, the
program will continue by displaying the On-line Options. This procedure will not be called
again unless communications are disrupted at a later time.
The following checklist should be addressed before attempting serial communications.
1.
The serial cable must be connected to the personal computer serial port and the drive
serial A port.
2.
On a multi-axis system, the serial cables must be connected as shown below.
Figure 51
Serial Cable Setup
3.
On a multi-axis system, make sure that the baud rate setting on each drive is the same.
4.
On a multi-axis system, make sure that each positioning drive has a unique axis identifier.
5.
Power to all positioning drives must be on.
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