(2) Confirming the operation with the program
Using the program, confirm that the data link is being performed normally.
• When X20 of the master station is turned on, Y41 of local station No. 1 turns on.
• When X21 of local station No. 1 is turned on, Y40 of the master station turns on.
• When X21 of the master station is turned on, Y41 of local station No. 5 turns on.
• When X21 of local station No. 5 is turned on, Y41 of the master station turns on.
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