This page describes the available communication functions in Uni-Telway mode.
Five specific communication functions are defined to send and receive data to a master or slave Uni-Telway device:
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READ_VAR: reading basic language objects (words, bits, double words, floating points, constant words, system bits and words, timer, monostable, drum)
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WRITE_VAR: writing basic language objects (words, bits, double words, floating points, constant words, system bits and words)
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DATA_EXCH: sending and/or receiving text type data
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Dialog operator functions: exchanging different specific communication functions in operator dialog (Send_Msg, Send_alarm, Ask_Msg, Ini_Buttons, Control_Leds, Command)
NOTE: The availability of these functions varies with the type of exchanges and hardware versions (see different exchange types).
