Specifications

PAGE
9.7
Databases structure
Database scada_data.mdb
Channels table
The Channels table is derived from the PhisicalChannels one, integrated with
additional records and contain all the “definition” necessary to manage the
several signals managed by the station.
Each record define a channel , for instance Air temperature or CO2 Flux.
Most of the field of the table must not modified by the user and are not
documented here.
PanelPage: set the Scada panel where the channel
information are displayed;
RowOnPanel: set the row on the Scada panel where the information are
displayed;
RevisionPriority: When using Query.exe the list of channels will be in
descending order and only the channels with RevisionPriority > 0 will be
visible;
Monitored: Monitor.exe will show the channels with monitored <> 0, see
chapter 11;
MonitoringGroup: see chapter 11;
AlarmType, ActiveThresholds, UPAlarm,UPPrealarm, DnPrealarm,
DnAlarm: these fields are related with an “alarm” signal managed by
Scada.exe: see chapter 10;
Gain, OffSet: by varing these fields it’s possible to scale the result values of
the channel, ask to West Systems;
Name, Description: The name and the description of the channels;
Active: If active = -1 the channel will be managed by Scada.exe. To exclude
a channel set active=0;
The direct (manual) modification of the Channels table can
be very critical. Ask support to West Systems before to
make any modification.
!
WEST Systems
www.westsystems.com
Continuous monitoring device handbook Release 10.0 November 2007
WEST Systems
WEST Systems
www.westsystems.com
Continuous monitoring device handbook
WEST Systems
Release 10.0 November 2007