APC NetBotz 200 Guida Utente Scaricare il pdf (Pagina 94)

USER’S GUIDE

NetBotz Rack Monitor 200

Serial Modbus (Administration>General>Serial Modbus)

To configure Modbus, select the Administration tab, General on the top menu bar,

and Serial Modbus on the left navigation menu. You can enable or disable Modbus,

choose a baud rate, and specify a unique identifier.

Modbus defines a request/response message structure for a client/server environment.

The APC implementation of Modbus uses Remote Terminal Unit (RTU) mode. You can

use Modbus to view the Main Module through your building management system

interface. It is read-only.

• The Modbus interface supports 2-wire RS-485.

• Modbus runs at 9600 or 19200 bps.

The Modbus register map for the Main Module defines the data (type, location, and

valid responses) available through Modbus. To download the Modbus register map or

any updates to this register map, go to the APC Web site (www.apc.com), search by

part number for NBRK0200, and click the link to the register map in the list of

documentation. Check the publication date at the start of the file.

For more information on Modbus, see the Modbus Standard Library at

www.modbus.org.

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APC NetBotz 200 Guida Utente Pagina 94