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7. COMPUTER LINK CONNECTION
7.5 PLC Side Setting
7.5 PLC Side Setting
The GOT operates under the following transmission
specifications when it is connected to a Mitsubishi PLC in
the computer link connection.
The PLC side settings (the serial communication module,
computer link module) are explained in Section 7.5.1 to
Section 7.5.3.
7.5.1 Connecting serial
communication module (Q, L
Series)
POINTPOINTPOINT
(1) Serial communication module (Q, L Series)
For details of the serial communication module (Q,
L Series), refer to the following manual.
Q Corresponding Serial Communication
Module User’s Manual (Basic)
MELSEC-L Serial Communication Module
User's Manual (Basic)
(2) Modem interface module
For details of the modem interface module, refer to
the following manual.
Modem Interface Module User's Manual
[Intelligent function module switch setting] on
GX Developer
[The intelligent function module switch setting] on GX
Developer is not necessary. (When no [intelligent
function module switch setting] is made, the module
runs in the GX Developer connection mode.)
A module can be also connected to a GOT by making
the following [intelligent function module switch setting]
on GX Developer.
(1) When connecting to the CH1 side
Transmission specifications Setting
Data bit 8bits
Parity bit Yes (Odd)
Stop bit 1bit
Sum check Yes
Transmission speed
(Baud rate)
Set the same transmission speed on
both the GOT and the PLC.
Model
Refer
to
Serial communication module
(Q Series)
QJ71C24N,
QJ71C24
7.5.1QJ71C24N-R2,
QJ71C24-R2
QJ71C24N-R4
Modem interface module
QJ71CMO,
QJ71CMON
7.5.1
Serial communication module
(L Series)
LJ71C24,
LJ71C24-R2
7.5.1
Serial communication module
(QnA Series)
AJ71QC24N,
AJ71QC24
7.5.2
AJ71QC24N-R2,
AJ71QC24-R2
AJ71QC24N-R4,
AJ71QC24-R4
A1SJ71QC24N1,
A1SJ71QC24N,
A1SJ71QC24
A1SJ71QC24N1-R2,
A1SJ71QC24N-R2,
A1SJ71QC24-R2
Computer link module
AJ71UC24 7.5.3
A1SJ71UC24-R2,
A1SJ71UC24-PRF,
A1SJ71C24-R2,
A1SJ71C24-PRF
7.5.3
A1SJ71UC24-R4,
A1SJ71C24-R4
7.5.3
A1SCPUC24-R2 7.5.3
A2CCPUC24,
A2CCPUC24-PRF
7.5.3
Switch
No.
Bit
Description
Set
value
*3
Positi
on
Specifi
ed
value
Switch 1
b0 OFF
CH1
transmiss
ion
settings
*1
Operation
setting
(Operates
according
to the GOT
side
specificatio
ns.)
0000
H
b1 OFF Data Bit
b2 OFF Parity Bit
b3 OFF
Even/Odd
parity
b4 OFF Stop bit
b5 OFF
Sum
check
code
b6 OFF
Write
during
RUN
b7 OFF
Setting
modifica-
tions
b8 to
b15
―
CH1 transmission
speed setting
*2
Switch 2 ―
CH1 Communication
protocol setting
GX
Developer
connection
0000
H
Switch 5 ― Station number setting 0th station 0000H