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MELSEC-Q
4 SETTINGS AND PROCEDURES PRIOR TO OPERATION
4.5.2 Switch settings for I/O and intelligent functional module
[Setting purpose]
In the switch setting for I/O modules and intelligent functional modules, set the
transmission specifications and communication protocols for communication with
external devices.
[Setting procedure]
[PLC parameters] [I/O assignment setting] Switch setting .
For screen display, see the GX Developer Operating Manual.
[Setting screen]
[Display description]
(1) Switches 1 to 5
Set the transmission specifications and communication protocol of each interface
using the combinations of setting values for each switch with 16 bit binary data
according to the following table.
Switch number Description Remarks
b15 to b8 b7 to b0
Switch 1
CH1 Communication rate setting CH1 Transmission setting
See a) and b)
Switch 2 CH1 communication protocol setting See c)
b15 to b8 b7 to b0
Switch 3
CH2 Communication rate setting CH2 Transmission setting
See a) and b)
Switch 4 CH2 Communication protocol setting See c)
Switch 5 Station number setting See d)
For settings to perform linked operation between two Q series C24 interfaces, see (2).
POINT
• When GX Developer or a GOT is connected to the Q series C24 on a 1:1 (one-to-
one) basis:
The switch setting in GX Developer is not required for accessing or monitoring a
QCPU. (If the switches are not set, the GX Developer connection mode will be
active.)
• When GX Developer or a GOT is connected to the Q series C24 on a 1:n (multi-
drop) basis:
Refer to the GX Developer Operating Manual.
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