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8.0 TROUBLESHOOTING
This section provides tips on some common problems that may occur when trying to get the S200
Position Node up and running.
8.1 D
W
GUI
RIVE
ILL NOT COMMUNICATE WITH
Communications problems are usually set-up issues. If we assume that the drive is connected to
the computer's RS232 port correctly then there are some obvious reasons for communication
problems:
8.1.1 Device Address
The rotary dip switches on the front of the S200 Position Node set the address of the S200 PN.
Switch 12 and 13 are the MS and LS address settings – 0 through 99, respectively. The
Communication Wizard in the S200 OC Tools GUI program has an address setting of the device
it is supposed to talk to. These two settings must match.
8.1.2 Baud Rate
The serial communication baud rate of the computer must match the serial communication baud
rate of the drive. The drive defaults to 38,400 baud. Be sure the GUI is set for this. If the baud
rate of the drive was changed to 19,200 or 9600 baud then the only way to determine this is to try
to set the GUI for these rates and see if it will communicate.
8.1.3 COM Port
The Communication Wizard will allow the user to direct the GUI to use a particular com port on
the computer. This Wizard allows the user to set COM1-COM5 but it does not check if these ports
are actually available. To see what ports are available on the computer look at the computer
operating system under System Properties / Hardware/Device Manager: On XP systems you can
right click on the My Computer Icon and select properties.
This computer only has 1 com port – COM1.
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