Chapter 8 Logic Instructions
8-275
c. When Execute of RS232_RS instruction changes from FALSE to TRUE, Enable of
RS232_Link_Manage changes to TRUE, Open of the instruction can control the functions of
232 link and free protocol communication.
d. If there are several RS232_RS instructions in the program, only one of them, which is triggered
the last time will take effect.
e. For the message which is sent out via RS232_RS instruction, the address where received data
are stored must be set in the RS232_RS instruction if the slave sends the response message.
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