9-29
9 PLC Setup
CJ2 CPU Unit Software User’s Manual
9-3 PLC Setup Settings
9
9-3-6 Serial Port Settings
PLC Link Method
Highest Unit Number for NT/Serial PLC Link
z Serial PLC Link Polled Unit Settings (CJ2M CPU Units Only)
Select a Serial PLC Link Polled Unit to enable exchanging data between CJ2M CPU Units or
between CJ2M CPU Units and CJ1M/CP1H/CP1L/CP1E CPU Units without special programming.
Communications Settings
Serial PLC Link Polled Unit Unit Number
Parameter Settings Default Function
Related flags
and words
Link
Method
Complete link method or
Polling Unit link method
Complete
Link
This setting specifies the link method
for the Serial PLC Link.
This parameter is set only in the Poll-
ing Unit.
A619.02
(Serial Port
Settings
Changing Flag)
Parameter Settings Default Function
Related flags
and words
No. NT/PC
Link Max.
0 to 7 0 This setting determines the highest
unit number of the Polled Units con-
nected to the Polling Unit when 1:N
connections are used for Serial PLC
Links.
This parameter is set only in the Poll-
ing Unit.
A619.02
(Serial Port
Settings
Changing Flag)
Parameter Settings Default Function
Related flags
and words
Baud rate 38400, 115200 bps 115200 bps Select the baud rate when specifying
a Serial PLC Link Polled Unit.
A619.02
(Serial Port
Settings
Changing Flag)
Parameter Settings Default Function
Related flags
and words
Serial PLC
Link Unit
No.
0 to 7 0 Set the unit number of a Polled Unit
connected to the Polling Unit when
1:N connections are used for Serial
PLC Links.
A619.02
(Serial Port
Settings
Changing Flag)