User`s manual

126
3.4 Start-up of the Modem Function
This section explains the start-up procedures, processing methods and programming when the modem function of the
Q series C24 is to be used.
3.4.1 Start-up procedures when communicating data with external
devices
This section shows the procedure for starting the modem function and up to the point when data communications is
started.
(1) Procedure up to initialization of the Q Series C24's modem / TA
This initializes the modem / TA connected to the Q Series C24 in order to use the modem function. It becomes
possible to carry out all kinds of communications when the modem / TA is initialized.
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Parameter setting
of the Q series C24
to QCPU
After setting the modem/TA switch, connect it with
the included RS-232 cable or any designated cables.
Transmission setting
(Other than operation setting (OFF)
should be set according to the modem/TA.)
Communication protocol setting (set accordingly)
Station number setting (0 to 31)
See User's Manual (Basic)
Supply power from the modem/TA side.
(2) (3) (4)For data communication For notification Access from GX Developer to QCPU
Installation to the base unit
Supplying power to the Q series C24 loading station
Start
Determine the configuration of the system.
Verify the Q series C24 specifications.
Unit test of the Q series C24
Connecting the Q series C24 and modem/TA
Supplying power to the modem/TA
Supplying power to the Q series C24 loading station
Setting and registration with GX Developer
Switch setting of Q series C24
Registration to QCPU (Write to PLC)
Initial setting of Q series C24
Registration of the data for initialization
Initialization of the modem/TA
(modem function system setting)
Registration of connection data
Initial setting
of Q series C24
(Setting with
GX Configuration-SC)
After the unit test, turn off the power
supply to the Q series C24 loading station.
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