4.4 PLC Side Setting
4.4.2 Connecting serial communication module (QnA Series)
4 - 43
1
OVERVIEW
2
BUS CONNECTION
3
DIRECT CONNECTION
TO CPU
4
COMPUTER LINK
CONNECTION
5
MELSECNET/10
CONNECTION (PLC TO
PLC NETWORK)
6
CC-Link CONNECTION
(INTELLIGENT DEVICE
STATION)
7
CC-Link CONNECTION
(Via G4)
8
ETHERNET
CONNECTION
4.4.2 Connecting serial communication module (QnA Series)
Serial communication module (QnA Series)
For details of the serial communication module (QnA Series), refer to the following
manual.
Serial Communication Module User's Manual (Modem Function Additional
Version)
1 Switch setting on serial communication module
Set the Station number switches, the Mode switch for the channel used for GOT connection, and the
Transmission specifications switches.
(1) Mode switch
*1 The mode switch in the figure is for the AJ71QC24 (N) (-R2/R4).
When connecting a GOT to CH2
Set the CH1 side mode switch to any other than "0" (interlocked operation).
Mode switch
*1
Description Setting
Dedicated protocol (Format 5) (Binary mode) 5
A
J71QC24N
RUN
CPUR/W
NEU
ACK
NAK
C/N
P/S
PRO
SIO
SD.WAIT
SD
RD
CH1.ERR.
CH2.ERR.
NEU
ACK
NAK
C/N
P/S
PRO
SIO
SD.WAIT
SD
RD
CH.1 CH.2
1
CH1 CH2
STATION
No.
MODE
SW
01
02
03
04
05
06
07
08
09
10
11
12
RDA
RDB
SG
SDA
SDB
NC
FG
CH1
RS-232C
CH2
RS422
RS485
8
4
0
C
8
4
0
C
5
0
5
0
10
J71QC24N, AJ71QC24N-R2, AJ71QC24-R4,
J71QC24, AJ71QC24-R2, AJ71QC24-R4
(3)
(1)
(2)
A
1SJ71QC24N
CH1
ERR.
C/N
P/S
PRO
SID
CH2
ERROR
RD
SW.E
NEU
ACK
NAK
SD.W.
SD
STS ERR.
DISPLAY
5
0
5
0
CH1 CH2
10 1
STATION NO.
MODE
A1SJ71QC24N
RUN
RD
C.R/W
NEU
ACK
NAK
SD.W.
SD
ERR.
C/N
P/S
PRO
SIO
AB
CH1 RS-232-C
CH2 RS-422/RS-485
SG
(FG)
(NC)
SDA
SDB
RDA
RDB
8
4
0
C
8
4
0
C
ON
2
1
4
3
6
5
8
7
10
9
12
11
SW
(1)
(3)
(2)
A1SJ71QC24N, A1SJ71QC24N-R2,
A1SJ71QC24, A1SJ71QC24-R2
MODE
CH
MODE
CH2CH1