Siemens DTU3005-B manual Menu, and the Port 1 Passthrough configuration

6 Creating Project Files—SEAbus Port Expander

6.1	Passthrough Setup—Port 1	menu, and the Port 1 (Passthrough) configuration
		screen appears.

You must have a SEAbus Port Expander project file open to configure port 1 using the instructions in this section. Select Port 1 (Passthrough) from the Edit

2-Wire RS422 or RS485 Communications

The 2-Wire RS422 or RS485 Communications selec- tion box will only need to be checked if the communi-

cations with your supervisory computer is a 2-wire RS485 or RS422 interface. An example of this is if you are using a RS-232/485 converter to extend the dis- tance between your computer and the DTU3005.

46 Siemens Energy & Automation, Inc.