Mitsubishi Electric MELSEC iQ-R Series User Manual page 177

Initial settings with Engineering tool
■Initial settings for the side of interface that uses the modem function
Perform initial settings on the side of interface that uses the modem function.
Navigation window  [Parameter]  [Module Information]  Module Name  [Module Parameter]  "Application
Settings"  "Modem function setting"
●: Required, : Configurable, : Not required
Setting item
Modem function specification 1
Modem function specification 2
Modem function specification 3
For remote password function
*1 For details on how to register the data No. for initialization, refer to the following section.
Page 177 Register/read/delete data for initialization
For details on how to register the data No. for connection, refer to the following section.
Page 181 Register/read/delete data for connection
*2 Even if the CPU module on the station with C24 (host station) becomes STOP status under the following circumstances, the line
(telephone) with the target devices will be left connected.
To prevent the line from being left connected when the line is not in use, be sure to make the appropriate settings.
 When the CPU module is stopped when the 'Connection' (X12) is in the ON status. (This occurs because the program write after
remote stop is enabled.)
 When the CPU module stops abnormally during self-diagnosis, etc.
*3 The "Modem initialization DR (DSR) signal enable/disable designation" designates whether the status of the DR (DSR) signal output is
valid or invalid at the startup of C24 .
When the DR (DSR) signal = ON is output from the modem, register "valid" for this item.
 When the DR (DSR) signal = ON is not output from the modem, register "invalid" for this item.
Modem connection CH specification
Connection re-try count designation
Connection retry interval designation
Initialization/connection timeout designation
Number of initialization retries designation
Data No. for initialization designation
*1
Data No. for connection designation
No-communication interval time designation
RS/CS control enable/disable designation
Auto modem initialization designation
Modem initialization DR (DSR) signal enable/disable designation
Line disconnection wait time (for PLC CPU monitor)
Remote password mismatch notification count designation
Remote password mismatch notification accumulated count
designation
Data communication
(MC, Nonprocedural ,Bidirectional)
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*1
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*2
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*3
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7 COMMUNICATIONS BY THE MODEM FUNCTION
7.4 Startup of the Modem Function
7
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