XI581/2 BUSWIDE OPERATOR INTERFACE GETTING STARTED
5 EN2B-0126 (74-3554-8)
SERIAL PORT
EXCEL 50
EXCEL 500-XCL5010
(REAR VIEW)
Fig. 5. Excel 50 and Excel 500-XCL5010 MMI connection.
• Excel 10 Zone Manager and Excel 100B Controllers have a serial port connec-
tion at the bottom of the device as shown in the following diagram. The XI581/2
reads the data for the Excel 10 Controllers that connect to the Excel 10 Zone
Manager.
EXCEL 10
ZONE MANAGER
a
SERIAL
PORT
Fig. 6. Excel 10 Zone Manager and Excel 100B MMI connection.
Buswide Access Mode
Buswide access allows communication between an XI581/2 and an Excel controller
that is not directly connected to the XI581/2. Communication can include reading
from and writing to the remote controller as well as receiving alarm status
information.
For example, an XI581/2 on an Excel 500 Controller can log in to an Excel 100
Controller that connects to the same system bus as the Excel 500 Controller.
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