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MELSOFT
6 COMMUNICATION SETTING EXAMPLES OF THE UTILITY SETTING TYPE
2) D8121 (Station No. setting)
Specify the station No.
The station No. can be specified in the range of 00H to 0FH
b15
D8121
to b0
Station No. range: 00H to 0FH
3) D8129 (Time out judge time setting)
Specify the FXCPU time out judge time in 10ms units.
The setting range is as follows:
For FX
0N, FX1S, FX1N(C), FX3G, and FX3U(C), 1 to 255 (10 to 2550ms).
For FX
2N(C), 1 to 3276 (10 to 32760ms).
If "0" is stored, 100ms is set.
b15
D8129
to b0
FX
0N
,FX
1S
,FX
1N(C)
,FX
3G
,FX
3U(C)
: 1 to 255 FX
2N(C)
: 1 to 3276
POINT
• When communication setting is made, power the FXCPU again after writing to
programmable controller.
• When performing multi-drop connection, make the same communication settings
for the devices. However, make sure that the station No. is not overlapped.
REMARK
The following shows an example of setting values to the special data registers by
using GX Developer.
The following shows the setting details of each special data register in the above
program.
(1) D8120
Transmission control procedure : Form 1
Communication protocol : Computer link
Sum check : Available
H/W type : RS-485
Transmission speed : 9600bps
Stop bit : 1 bit
Parity : N/A
Data length : 7 bit
(2) D8121
Station No. : 12
(3) D8129
Time out time : 200ms