OPC90 Server
2 Functional
Description
OPC90 Server can run on the Windows NT/2000/XP/2003_Server operating
system. It is implemented as a collection of blocks that are specific to each type
of exception report block found within a Bailey system. This collection of blocks
is stored as an OPC90 Configuration. A special block called the Device block
(DEVICE) is configured to setup the communication port(s) used to access the
Bailey interface, define required update rates and report various statuses of the
communication channels. All other OPC90 Server blocks are linked to a DEVICE
that provides the necessary information it needs to manage communication with
the Bailey system. The various other OPC90 Server blocks linked to the
DEVICE contain the address within Bailey where the exception report block is
located. The DEVICE uses this address and block type to determine how the
point is established and managed within the Bailey interface. As data is received
from the Bailey interface for each of the established points it is parsed and
copied to the appropriate tags within the corresponding OPC90 Server block.
This implementation has several advantages:
•
Extremely intuitive to Bailey users.
•
Developed with an industrial grade OPC toolkit manufactured by an OPC
Foundation Charter Member company insures 100% compliance to the OPC
1.0, 2.0 and 2.05 specifications.
•
Point capacity is not limited by type of points utilized by the plant but only by
the type of Bailey interface available (typically up to 10,000 tags).
•
Alarm levels are set in real time by data received from the Bailey system
(eliminates the need to maintain alarm level settings in two areas).
•
Includes ability to tune Bailey control loops from OPC Client applications.
•
Supports redundant Bailey interfaces or redundant communication channels
to a single Bailey interface.
•
Supports the ability to easily import and export OPC90 function blocks to/from
comma delimited (*.csv) files. The CSV file can be easily created using
Microsoft Excel and then simply imported into the OPC90 Server to create a
OPC90 Configuration.
The RoviSys Company
Version 7.0
Page 6