Setting of External Device

For External Device communication settings, use the DIP switch of the External Device and ladder software (CX-Programmer).

Refer to your External Device manual for details.

DIP Switch Setting

Setup Items

Setup Description

Unit No. Setting Rotary Switch*1

0

*1You need to set this switch to the same value as "CPU High Function Unit No." of the serial communication unit in the I/O table assigned by the ladder tool.

 

Ladder Software Settings

For communication settings of the communication unit, you need to register the serial communication unit to be used by the ladder software in advance.

After registration, open [I/O Table] of the ladder software. Click [Switch] from the menu displayed by right-clicking [Serial Communication Unit] and set as below.

Setup Items

Setup Description

Displayed Parameter

Port1:Host Link Settings*1

Port settings*2

User settings

Serial communication mode

Host Link(default)

Data length

7 bits

Stop bits

2 bits

Parity

Even

Baud rate

19200bps

Send delay

Default(0ms)

Send delay(user-specified)

0

CTS Control

No

1:N/1:1 protocol setting

1:N protocol

Host Link compatible device mode

Default(Mode A)

Host Link unit number

0

*1When you set the Port2, select "Port2: Host Link Settings".

*2[Port settings] can be set only when the ladder software you use is a CX-One.

 

NOTE

Setup Items

Setup Description

Source Network Address*1

Option

Node Address Setting Rotary Switch*2

Option

*1Set in the routing table of "CX-Net Network Configuration". Please refer to the manual of the External Device for more details.

*2Set with the rotary switch on the front of the Controller Link unit used for access beyond network.