User's Manual
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8. ETHERNET CONNECTION
8.4 PLC Side Setting
 Switch settings of Ethernet module
Set the operation mode setting switch and exchange 
condition setting switch.
*2 The figure of AJ71E71N3-T and A1SJ71E71N3-T.
(1) Operation mode setting switch
: Necessary  : As necessary  : Not necessary
(2) Exchange condition setting switch
*1
: Necessary  : As necessary  : Not necessary
*1 The exchange condition setting switches of A1SJ71E71-B5-
S3 and A1SJ71E71-B2-S3 are specified as the below.
: Necessary  : As necessary  : Not necessary
POINTPOINTPOINT
When the switch setting has been changed
Turn the PLC CPU OFF then ON again, or reset the
PLC CPU.
A1SJ71E71N3-T
SW8
SW7
SW6
SW5
SW4
SW3
SW2
SW1
ON
10BASE-T
MODE
0:ONLINE
1:OFFLINE
2:TEST1
3:TEST2
4:TEST3
4
3
2
1
F
E
D
C
B
A
9
8
7
6
5
1SJ71E71N3-T
BSY
SW.ERR.
COM.ERR.
CPU R/W
TEST ERR.
TEST
A
RDY
RUN BUF1
BUF2
BUF3
BUF4
BUF5
BUF6
BUF7
BUF8
0
10BASE-T
4
C
8
J71E71N3-T
RUN BUF1
BUF2
BUF3
BUF4
BUF5
BUF6
BUF7
BUF8
RDY
BSY
SW.ERR.
COM.ERR.
CPU R/W
TEST
TEST ERR.
A
ON
0:ONLINE
4:TEST3
3:TEST2
2:TEST1
1:OFFLIN E
MODE
SW8
SW7
SW6
SW5
SW4
SW3
SW2
SW1
0
(1)
(2)
A1SJ71E71N3-T, A1SJ71E71N-B5,
A1SJ71E71N-B2, A1SJ71E71N-T, 
A1SJ71E71N-B5T, A1SJ71E71-B5-S3, 
A1SJ71E71-B2-S3
AJ71E71N3-T, AJ71E71N-B5, 
AJ71E71N-B2, AJ71E71N-T, 
AJ71E71N-B5T, AJ71E71-S3
(1)
(2)
*2
*2
Operation mode 
setting switch
Description Set value
Setting 
necessity at 
GOT 
connection
Online
0
(fixed)
Exchange 
condition 
setting switch
Setting 
switch
Description
Set 
value
Setting 
necessity at 
GOT 
connection
SW1
Selection of line 
processing at TCP 
timeout error
OFF
SW2
Data code setting
(binary code)
OFF
(fixed)
SW3
(Must not to be 
used)
OFF
(fixed)
SW4
SW5
SW6
SW7
CPU exchange 
timing setting
(Enable write at 
RUN time)
ON
(fixed)
SW8 Initial timing setting OFF
Exchange 
condition 
setting switch
Setting 
switch
Description
Set 
value
Setting 
necessity at 
GOT 
connection
SW1
Selection of line 
processing at TCP 
timeout error
OFF
SW2
Data code setting
(binary code)
OFF
(fixed)
SW3
CPU exchange 
timing setting
(Enable write at 
RUN time)
ON
(fixed)
SW4 Initial timing setting OFF
SW1
SW2
SW3
SW4
SW5
SW6
SW7
SW8
OFF ON
SW1
SW2
SW3
SW4
OFFON










