Volume 8 – Mechanical and Electrical Services - Malaysia Geoportal

Chapter 10 SCADA AND AUTOMATION SYSTEM
the data for determining the required water releases that may be required to meet operational
demands of the system.
Also, various levels of management would use the data in the form of summary report that provide
information on the performance of the overall drainage system in particular area. Drainage
infrastructures (like TCG, Pump houses and so on) personnel would use the data for future
infrastructure upgrading design. For research purpose, professors and researchers in higher
education institutes/universities may interested in the collected data to carry out research works, for
example recent Johor flood data may provide researcher good set of data to study the pattern of
flood. Because many units within the DID organization may be interested in the data collected by the
SCADA system, the needs or desires of all units can be considered during the design of the system.
The ability to schedule and optimize the drainage system is possible with a SCADA system because
the data required for the operation of the system are centralized. Scheduling operation can be
performed well in advance of implementation, and these schedule operation can be either automatic
or manually controlled by the District Engineer. To provide schedule operation, data from all facilities
within the system must be collected and the equipment within each remote site must be controllable
from master station.
Optimization of drainage system operation is intended to provide the best and most efficient
operation of a system during normal operation. Changing system condition are immediately detected
and analyzed by the SCADA system and used in the optimization process. For example from the
collected water level data, user can fine tune the control level setting to optimize the control of the
Tidal Control Gate (TCG).
With all the system data available at the master station, the organization of alarm presentation is
extremely important.
Basically, the installed SCADA and Automation system provides features as below:
a) System Control
The system provide variety mode of control, including local mode control, manual mode
control, auto mode control and remote mode control (for more detail on each mode control
explanation, please refer to section 10.5). Auto mode helps to control the system
automatically without human attending help to optimize the drainage of the river during the
flood.
b) System monitoring
The system provides real time and reliable data monitoring for the user to monitor the
condition of the system including:
i) Drainage and Irrigation infrastructure (TCG, Pump houses, Constant Head Orifice
(CHO), DAM and so on)
real time monitoring
ii) Active Alarm Monitoring
iii) Flow Trend Monitoring
iv) River water level and sea level monitoring
v) Tidal and water profile monitoring
vi) Historical Events Monitoring
vii) Historical Alarms Monitoring
viii) Performance Report
ix) System published through internet
x) System info request through SMS
xi) Remote dial in monitoring and control
March 2009 10-3