Real Time eXecutives,
OPC DA Client for RTXHDB
The OPC DA Client for RTXHDB is an OPC compliant,
32 bit, multi-threaded Windows based client that supplies a
direct interface to one RTXHDB historical database residing on a
LAN server (File Server).
It normally will reside on the process control system of the OPC DA Server so as to provide local buffers. These buffers are used to
back up the collection for the RTXHDB server. These buffers
are designed to handle any loss of data problems caused by the
network or server. The OPC DA Client for RTXHDB
provides rescaling and, if the OPC DA Server supports browsing, OPC
Tag Browsing. (Unlimited Number of Tags)
a review of local buffered history with a wealth of
statistics to determine the optimum timing for collection
lists and historical database updates.
the creation of a log file for historical events.
- Can Add,
Delete, Modify, Stop/Start, Pause collection lists.
the ability to select buffer size and update frequency
for each collection list.
phase shifting input collection and adjusting update
frequency for load leveling.
browse for input sources.
the ability to select the time stamp from the process
control system or local PC.
the filtering and scaling of input tags, plus conversion
to actual engineering values.
define aliases for tag names.
the ability to append CVS files and files from other
output to an intermediate file before updating to RTXHDB.
- Windows 98 / Me / NT 4.0 / 2000 / XP Pro