Mitsubishi Electric MELSEC iQ-R Series User Manual page 215

(0) Accessible
(3) Modem initialization
Data communication available
(15) Data transmission available
Modem disconnection available
(26) Convert the modem initialization and line connection command into pulse.
(32) Jump to the subroutine of the modem initialization and line connection processing.
(36) Convert the data communication (transmission) command into pulse.
(41) Jump to the subroutine of the data reception processing.
(45) Jump to the subroutine of the receive data.
(49) Jump to the subroutine of the data reception processing.
(53) Convert the line disconnection command into pulse.
(56) Convert the connection signal OFF into pulse.
(63) Jump to the subroutine of the line disconnection processing.
(69) Set the initialization request signal.
(91) Set the connection request signal.
(93) Reset the request signal when the initialization completion signal and connection signal are turned ON.
Read the error code when initialization/connection abnormal completion signal is turned ON, and reset the request signal.
(108) Set the transmission channel to CH1.
Set the send data quantity.
Set the send data.
(177) Transmission normal completion
(180) Transmission abnormal completion
(188) Set the data reception channel CH1.
(243) Received data read normal completion
(246) Received data read abnormal completion
(253) Set the modem disconnection request signal.
(255) Read the error code when modem disconnection completion signal is turned ON.
Set the modem disconnection completion flag when normal completion signal is turned ON.
(264) Reset the modem disconnection request signal.
7 COMMUNICATIONS BY THE MODEM FUNCTION
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7.5 Sample program
7