Section 4

Device Discovery and Addressing

4.1 Device Search

After an antenna definition file has been loaded, automatically during program installation or manually by the user (see Section 3), a device search can be activated. A device search is the process by which the program performs an AISG compliant device scan to discover all AISG devices currently attached to the ATC200-Lite controller’s RS-485 bus. At this point in program startup, a device search is the only allowed option. A device search is required before proceeding, so that the program can determine which devices are present on the tower and retrieve their current configuration parameters (also see Bulletin 639512 for a quick device setup and operations guide). It is important to note that this feature automatically scans and sets each device address to ‘0’ and then readdresses them in the order they respond to the controller during the device search. Generally, the devices respond in sequential order of their serial number. This feature helps reduce possible conflict issues that could arise during operation later.

1.From the program startup screen, click ‘Find Devices’ to start the device search (Figure 4-1).

Click ‘Find Devices’.

Program automatically searches for the latest Antenna Definition file and loads it to the program if it has not been loaded from an earlier startup session.

Figure 4-1. Startup Screen Ready for Device Search.

Bulletin 639510

May 2005

4-1

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Andrew ATC200-Lite manual Device Discovery and Addressing, Device Search