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6 Creating Project Files—SEAbus Port Expander

Siemens Energy & Automation, Inc. 45

6 Creating Project Files—SEAbus

Port Expander

This chapter covers configuration of the DTU3005 as a

SEAbus port expander. Once you have created a SEA-

bus port expander project (see Chapter 3), follow the

directions in this chapter to configure the project file.

Then see Chapter 7 for directions on downloading the

project to the DTU3005.

When configured as a SEAbus port expander, the

DTU3005 allows two computers running supervisory

software, such as WinPM, to connect to the same Sie-

mens SEAbus devices. Up to 32 devices may be

attached to port 2 of the DTU3005 by an RS-485 con-

nection. This configuration is shown below in

Figure 6.1.

Figure 6.1 Dual Passthrough Application

Once you have created or opened the project file,

select Edit from the main menu and the following

menu items appear:

• Port 1 (Passthrough)—allows you to configure the

communications settings for the supervisory

computer connected to port 1.

• Port 2 (SEAbus Devices)—allows you to configure

communications settings for SEAbus devices con-

nected to port 2.

• Port 3 (Passthrough)—allows you to configure the

communications settings for the supervisory

computer connected to port 3.

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