![]() Make sure that the sending and receiving devices are set to the same baud rate, parity, stop bits and device type. If you have a Fanuc communications device such as a Floppy Cassette or a Handy File, try to communicate to the CNC using it's standard setup.Ĭheck your computer or other device by using it to communicate to another control, if available. ![]() If you are having trouble with down/uploading on the PMC side try down/uploading on the CNC side (or vice-versa). If the control has another active port try communicating using it. Try communicating in the opposite direction than the one you are currently having trouble with. Connect your computer up directly to the machine to eliminate cable junctions, switchboxes, etc. See Cable section below for cable diagram. If no data is being input/output or serial port alarms are occurring.Ĭheck the cable for proper connections. This document details the basic steps of troubleshooting the problem and finding a solution. There are a number of reasons why the communications would not be working properly. GE FANUC controls use a serial port to transfer data between the control and a computer or other device. Fanuc RS232 Troubleshooting, Help & Settings
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