Delta Electronics DELTA DUP-B - Manual (Page 485)

Appendix C Multi-Link Connection
The methods for setting each unit are as follows:
Setting Methods of HMI 1
1. Click Options > Configuration > COM Port.
2. Press Add button to add a PLC connection under COM2 Base Port
3. Set HMI station number to 1, select RS-485 interface and set the communication protocol
settings as [9600, 7, Even, 1].
4. In Multi-link option, set Active mode to Host.
C-2 Revision May, 2010