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21.5.4
Connecting computer link module
POINT
POINT
POINT
Computer link module
For details of the computer link module, refer to the
following manual.
Computer Link Module (Com. link func./Print.
func.) User's Manual
Switch setting on the computer link module
Set the Mode setting switch, the Transmission
specifications switches and the Station number setting
switches.
AJ71UC24
A1SJ71UC24-R2,
A1SJ71UC24-PRF,
A
J71UC24
A1SJ71C24-R2,
RUN
2 - C / N
2 - SD
2 - P / S
2 - RD
2 - PRO
2 - SIO
A1SJ71C24-PRF
2 - NEU
4 - C / N
L 4
2 - ACK
4 - P / S
L 5
2 - NAK
4 - PRO
L 6
L 1
4 - NEU
4 - SIO
L 2
4 - ACK
L 3
4 - NAK
CPUR / W
4 - SD
COM
4 - RD
M . D . M
A1SJ71UC24-R2
M . D . L
B0
B1
NEU
B2
ACK
NAK
C/N
(1)
MODE
STATION NO.
(3)
10
1
SW11
O N
12
13
14
SW
15
(2)
03
16
04
17
18
21
05
06
22
07
23
08
24
09
10
11
12
RS-232-C
RS-232-C
RS - 422
RS - 485
SDA
A1SJ71UC24-R2
SG
SDB
FG
RDA
NC
RDB
A1SCPUC24-R2
MELSEC A1S
MELSEC A1S
CPU24-R2
CPU24-R2
STOP
L CLR
RUN
L CLR
RUN
RUN
RESET
RESET
RESET
ERROR
ERROR
PULL
When the cover is open
A2CCPUC24, A2CCPUC24-PRF
When the cover is open
21 - 18
21. COMPUTER LINK CONNECTION
21.5 PLC Side Setting
A1SJ71UC24-R4,
A1SJ71C24-R4
A
1SJ71UC24 - R4
RUN
NEU
SCAN
SD
ACK
SET E.
RD
NAK
SCAN E.
CPU
C / N
SIO E.
MD
P / S
PRO
ST. DWN
SIO
COM
MD / L
NEU
ACK
NAK
C/N
SW
P/S
01
PRO
STATION NO.
02
SIO
03
SIO
04
10
05
06
07
1
08
09
(1)
10
C
11
MODE
12
(2)
MODE
1.FORM1
SDA
2.FORM2
3.FORM3
4.FORM4
SG
5.MOFORM
SDB
FG
RDA
NC
RDB
RS - 422 / 485
A1SJ71UC24 - R4
STOP
RUN
RESET
(1)
(2)
(1) Mode setting switch
Mode setting switch
(2) Transmission specifications switch
(a) AJ71UC24
Transmission
specifications
switch
(2)
(3)
(1)
• Transmission speed setting (SW13 to SW15)
Set the transmission speed (SW13 to SW15) as
follows.
The transmission speed setting must be consistent
with that of the GOT side.
Setting switch
SW13
SW14
SW15
*1
Only transmission speeds available on the GOT side are
shown.
(1)
(3)
(2)
Description
RS-232
Dedicated
connection
protocol
RS-422
Format 1
connection
Setting
Description
switch
RS-232
connection
SW11
Main channel setting
RS-422
connection
SW12
Data bit setting
8bits
SW13
(Consistent
Transmission speed
with the GOT
SW14
setting
side
specifications.)
SW15
SW16
Parity bit setting
Set
SW17
Even/odd parity setting
Odd
SW18
Stop bit setting
1bit
SW21
Sum check setting
Set
Write during RUN
SW22
Enabled
enabled/disabled setting
Computer link/Multidrop
SW23
Computer link
selection
Master station/Local
(Setting
SW24
station setting
ignored)
Transmission speed
4800bps
9600bps
OFF
ON
OFF
OFF
ON
ON
Set value
1
5
Set value
OFF
ON
ON
See
descriptions
below.
ON
OFF
OFF
ON
ON
ON
OFF
*1
19200bps
OFF
ON
ON
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