Mitsubishi MELSEC L Series User Manual page 164

(2) Sample program on the connection reception station side
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The modem initialization and data communication by the non procedure protocol
are executed by commands from the user.
Before executing this program, perform the following settings (changing the
default values) on the GX Configurator-SC's "Modem function system setting"
screen and register them in the Q series C24. (Settings other than the items
shown below are not required).
Settings on the GX Configurator-SC's "Modem function system
setting/registration" screen
Setting item
Modem connection channel designation
No-communication interval time designation
Data No. for initialization designation
3 COMMUNICATIONS BY THE MODEM FUNCTION
Setting value
CH1
2 (min)
8001
H
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