115
SECTION 5
Debugging Serial Communications
5-1 Outline of Serial Communications............................................................................................ 116
5-2 Serial Communications Settings................................................................................................ 119
5-3 Serial Communications Connection.......................................................................................... 123
5-3-1 Access from External Devices via Serial Communications .......................................... 123
5-3-2 Access to External Device Using Serial Communications............................................ 124
5-3-3 Precautions in Using Serial Communications............................................................... 124
5-4 Connecting PT via NT Link...................................................................................................... 126
5-5 Examples of Serial Communications Debugging...................................................................... 127
5-5-1 Procedure for Debugging Serial Communications Instructions.................................... 127
5-5-2 Debugging by Message Display.................................................................................... 128
5-5-3 Debugging by Serial Data File...................................................................................... 128
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