Product Data Document
420DS-12A
October 1, 2007 - Page 3
Integrated Pump Control
SCADA RTU
Website: www.EmersonProcess.com/Remote
Remote Automation Solutions
SCADA Packages
The Bristol ControlWave Micro and ControlWave
ExpressPAC integrated SCADA packages, from
Emerson, are designed and built for out-of-the-box
installation and startup. The assemblies are fully
integrated units that combine the PLC/RTU with
a variety of options commonly required in SCADA
applications. These include a NEMA 4X rated en-
closure, power supply and battery backup options,
termination options, display and operator input op-
tions, and wireless communication options.
Historical Archive
Historical data is stored in three archive files in the
ControlWave PLC/RTU flash memory. This ensures
maximum data integrity even in the event of a
SCADA communication network failure. The his-
torical data archives may be collected periodically
on a scheduled or demand basis by the OpenBSI
Harvester utility. This technique also minimizes
communication bandwidth requirements significantly
benefiting radio and cellular network architectures.
Daily Archive:
Stores 35 days of time-stamped minimums, maxi
-
mums, averages and totals
Hourly Archive:
Stores hourly time-stamped minimums, maximums,
averages and totals
Trend Archive:
The Trend Archive stores instantaneous values at a
fixed period from one minute to sixty minutes.
Setup and Configuration
As mentioned earlier, the
ControlWave pump control
SCADA application is pre-programmed. The unit
only needs site specific configuration through the
easy-to-use set of web pages supplied with the ap-
plication software. These configuration web pages
are accessible through the OpenBSI TechView
utility.
ControlWave MIcro
PLC/RTU SCADA Package
The ControlWave SCADA packages with the pre-
programmed pump controller application are ideal
for integrating remote site measurement and control
into the SCADA system.
Station Control Strategies:
Level control
Pressure control
Time control
Pump lead/lag and pump alteration
Pump interlock and permissive conditions
Manual and PID VFD Control
TechView allows easy connection to any
ControlWave PLC/RTU through serial or Ethernet
ports. The utility is essentially a web page browser
that really simplifies menu navigation and PLC/RTU
configuration.
