Initial Settings Of The Serial Communication Module - Mitsubishi MELSEC L Series User Manual

3.4.2 Initial settings of the serial communication module

Switch setting by GX Developer
Communication protocol setting
Operation setting
Data bit setting
Parity/non-parity setting
Even/odd parity setting
Stop bit setting
Transmission
specification
Sum check enable/disable
communication
setting
rate setting
Write during RUN enable
/disable setting
Setting modification enable
/disable setting
Transmission rate setting
Station number setting
1 When the first five digits of the serial No. are 03042 or earlier, the transmission speed cannot be set to
115200 bps for connection between the Q series C24 and GX Developer via a modem.
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This section explains the initial settings of the Q series C24 when data communicating
with external device, remotely notifying a pager receiver and accessing from GX
Developer using the modem function.
(1) Switch settings by GX Developer
Data
communication
1 to 7
(Set according to modem/
TA on local station)
(Set according
to system
specification)
(Set according to modem/TA on local station) (
REMARKS
This gives an example of the switch setting when the modem function is used to
connect GX Developer to the Q series C24 CH1 side and the programmable
controller is accessed. Perform the switch setting similar to this example also when
performing data communication or notification.
[Start procedure]
"GX Developer" "PLC parameter"
[Setting example]
3 COMMUNICATIONS BY THE MODEM FUNCTION
GX Developer access
Notification (For connection to
MELSOFT products)
1 to 7
OFF (Independent operation)
OFF/ON
OFF/ON
OFF/ON OFF/ON
00 to 31
"I/O assignment"
5
Set both CH1 and CH2 OFF
ON OFF=7 bits, ON=8 bits
OFF OFF = Non-parity, ON = Parity
OFF OFF = Odd, ON = Even
OFF OFF = 1 bit, ON = 2 bits
ON OFF = Disabled, ON = Enabled
ON OFF = Disabled, ON = Enabled
OFF = Disabled, ON = Enabled
1
)
Switch setting
Remarks
—
(bps)
—
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