### Settings of External Device

Use the ladder software "RSLogix 5000" for communication settings. Please refer to the manual of the External Device for more details.

Open the [Controller Properties] dialog box from the ladder software and set in the [Serial Port] tab, then in the [System Protocol] tab as below.

##### [Serial Port] tab

- For Full Duplex

  Setup Items | Setup Description
  --- | ---
  Baud Rate | 19200
  Data Bits | 8
  Parity | NONE
  Stop Bits | 1
  Control Line | Full Duplex
  RTS Send Delay | 0
  RTS Off Delay | 0

- For Half Duplex

  Setup Items | Setup Description
  --- | ---
  Baud Rate | 19200
  Data Bits | 8
  Parity | NONE
  Stop Bits | 1
  Control Line | Half Duplex
  RTS Send Delay | 0
  RTS Off Delay | 0

##### [System Protocol] tab

- For Full Duplex

  Setup Items | Setup Description
  --- | ---
  Protocol | DF1 Point to Point
  Station Address | 0
  NAK Receive Limit | 3
  ENQ Transmit Limit | 3
  ACK Timeout | 50
  Embedded Responses | Autodetect
  Error Detection | CRC
  Enable Duplicate Detection | Disabled

- For Half Duplex

  Setup Items | Setup Description
  --- | ---
  Protocol | DF1 Slave
  Station Address | 0
  Transmit Retries | 3
  Slave Poll Timeout | 3000
  EOT Suppression | Disabled
  Error Detection | CRC
  Enable Duplicate Detection | Disabled

NOTE

- Please refer to the manual of the ladder software for more detail on other setting description.