Beckhoff CX1500-M510 Manual page 164

Assembly and connecting
Next the scan for boxes is requested. Answering "yes" starts the scan for boxes connected to the fieldbus.
Before a bus scan can be initiated the transfer rate must be selected. The following dialog box opens the
ask for the baud rate. The transfer speed depends on the net topology. Details are described in the chapter
"wires and installation".
In some cases not all boxes can be found. Restart scan to find the missing boxes. If there are still boxes
missing please check cables and operation mode of the boxes (the mode should be operational) If two or
more devices on the bus have the same node-id none is found. Change the node-id and scan again. If the
scan is complete the founded boxes are shown:
164 Version: 1.0 CX1500-M510, CX1500-B510