FX Series Computer Link Driver
GP-Pro EX Device/PLC Connection Manual
10
Setting of External Device
Setting of External Device includes the setting with parameter and the setting by writing data to the special data
register.
Setting with parameter
Double-click [PC parameter] from [Parameter] in the tree view of the ladder software to display the [FX
parameter] dialog box.
Click the [PC system settings (2)] tab for communication settings.
Setup items and description are shown below.
Setting by writing data to the special data register
Write data to the data register of External Device. After writing, turn the power of External Device from OFF to
ON.
Write destination data register and write data are shown below.
• FX0N does not support the setting with parameter. Select the setting by writing data to the
special data register.
Setup Items
Setup Description
CH
*1
*1
Setting only for FX3UC, FX3U and FX3G.
CH1 or CH2
Protocol
Protocol communication only
Data Length
7
Parity
Even
Stop Bit
2
Line Speed
Match with the speed of Display
Header
None
Terminator
None
H/W Type
Normal/RS232C
Sum Check
Added
Control method
Form 4
Timeout
1
• When using the FX0N Series, turn ON M8120 for keeping communication settings before
turning power from OFF to ON.
Write Destination Data Register
Write data
CH1 of FX3UC, FX3U, FX3G and
FX Series except above
CH2 of FX3UC, FX3U
and FX3G
D8120
D8420
0xE89E
D8121
D8421
0
D8129
D8429
1
