Function List - Mitsubishi Electric MELSEC iQ-R Series User Manual

Function list

The overview of the modem function are as follows.
Function Overview
Modem/TA initialization Initializes the modem/TA using the user-designated initialization data (AT command). (Auto initialization of the modem/TA is
possible.)
Line connection (dialing) Dials the target telephone number according to the user-designated data for connection and enables data communication
after establishing the line connection.
When the modem/TA is not initialized, performs the initialization.
Data communication Performs communication with a target device using the MC protocol, nonprocedural
protocol, or bidirectional protocol.
Performs communication with the target C24-installed station by modem/TA
connection using nonprocedural protocol or bidirectional protocol. (Station-to-station
communication)
Modem disconnection Disconnects forcefully the line to the connected target device.
Flash ROM reading, writing Reads, writes (registers) and deletes the initialization data (AT command) and data for connection from/to the flash ROM in
(registration), and deletion C24 according to the request from CPU module.
Remote password check Allows C24 to execute the check of the remote password set in the CPU module when communication from a target device
to C24 is performed using the MC protocol.
Communication method: full-
duplex communication
Synchronization method:
Asynchronous communication
(asynchronous)
7 COMMUNICATIONS BY THE MODEM FUNCTION
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7.1 Overview