4 SETTINGS AND PROCEDURES PRIOR TO OPERATION

4.5.2Switch settings for I/O and intelligent functional module [Setting purpose]

MELSEC-Q

The switch settings for I/O module and intelligent functional module perform the settings for transmission specifications and communication protocol for communicate with external devices.

[Setting procedure]

[GX Developer] [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

Switch 1

b15 to b8

 

b7 to b0

See a) and b)

CH1 Communication rate setting

 

CH1 Transmission setting

 

 

 

Switch 2

CH1 communication protocol setting

See c)

Switch 3

b15 to b8

 

b7 to b0

See a) and b)

CH2 Communication rate setting

 

CH2 Transmission setting

 

 

 

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 and/or the GOT is connected directly to the Q series C24, switching settings using GX Developer need not be made to perform access to the QCPU, monitoring and other operations. (If switch settings are not made, operation is performed in the GX Developer connection mode.)

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