The dams are filled from boreholes. There are three main pipelines and that fill dams in series. Two of the boreholes are used to fill the dams on those respec1ve lines directly, and the third borehole is used to fill a holding dam next to the third pump house, from where dams are filled. 7,3km link 6,2km link Main Office High Site Dam DAM LEVEL CONTROL Jabeco Wireless Water Management Solutions Kalahari Game Farm Case study: Wireless automation of a distributed dam network Jabeco’s wireless automaon is used to control and monitor a dam network on a game farm in the Kalahari. The system ensures that dams are kept full and enables the farm manager to view the water level in dams and troughs in real-me. The game farm has both livestock and free roaming game, and is spread over approximately thirty thousand hectares. A pilot dam level monitoring and automaon project was launched on the farm in 2013, to control 9 of the farm’s 34 dams. The network includes more than a dozen wireless links that connect the dams to a central supervisory control and data acquision system. The dams are filled from boreholes. There are three main pipelines that fill dams In series. Two of the boreholes are used to fill the dams on those respecve lines directly, and the third borehole is used to fill a holding dam next to the third pump house, from where dams are filled.
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Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Dam Bore hole Pump Field Module
Water level sensor Water level controller Communication
?
Fertilizer
N KP
Base ModuleComputer Modum
JIO
House/control centre
Kalahari Game Farm Case Study: Wireless automa1on of a distributed dam network
Jabeco’s wireless automa1on is used to control and monitor a dam network on a game farm in the Kalahari. The system ensures that dams are kept full and enables the farm manager to view the water level in dams and troughs in real-‐1me.
The dams are filled from boreholes. There are three main pipelines and that fill dams in series. Two of the boreholes are used to fill the dams on those respec1ve lines directly, and the third borehole is used to fill a holding dam next to the third pump-‐house, from where dams are filled.
The game farm that has both livestock and free-‐roaming game, and is spread over approximately thirty thousand hectares. A pilot dam-‐level monitoring and automa1on project was launched on the farm in 2013, to control 9 of the farm’s 34. The network includes more than a dozen wireless links that connect the dams to a central supervisory control and data acquisi1on system.
7,3km link
6,2km link
Main Office
Dam Level Control
High Site Dam
DAM LEVEL CONTROLJabeco Wireless Water Management Solutions
Kalahari Game FarmCase study: Wireless automation of a distributed dam network
Jabeco’s wireless automation is used to control and monitor a dam network on a game farm in the Kalahari. The system ensures that dams are kept full and enables the farm manager to view the water level in dams and troughs in real-time.
The game farm has both livestock and free roaming game, and is spread over approximately thirty thousand hectares. A pilot dam level monitoring and automation project was launched on the farm in 2013, to control 9 of the farm’s 34 dams. The network includes more than a dozen wireless links that connect the dams to a central supervisory control and data acquisition system.
The dams are filled from boreholes. There are three main pipelines that fill dams In series. Two of the boreholes are used to fill the dams on those respective lines directly, and the third borehole is used to fill a holding dam next to the third pump house, from where dams are filled.
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This forms the brain of the entire automation system, and is installed in the control room of the main pumphouse. NOTE: An Internet connection is essential for remote monitoring and support.
The FM’s provide connectivity to remote units, and can provide on-off control for up to four solenoids.
The water level sensor provides an output that is relative to the depth of the water colum above it.
The JIO provides input-output channels, which are used to interface EcoWeb with the existing pumps, meters and controllers.
The Jabeco modem manages the wireless communications between EcoWeb and the wireless network.
Jabeco Product
PC with EcoWeb
JIO
Field Module (FM)
Water LevelSensor
Modem
Qty
1
3
12
1
9
Description
N KP
Infrastructure DescriptionThe Integrated dam control system is illustrated by the EcoWeb control software SCADA display in the figure above. Each dam is coupled to the main control office through directional antennas. The field modules are mounted on poles next to the dam, and operate on solar charged batteries. A water level sensor is inserted into the dam, and connects with the field module to provide depth readings. EcoWeb controls the JIO modules in the pump houses in order to activate pumps, based on water level readings that are received from the field modules next to the dams. If the water level in a dam reaches its preset minimum level, the JIO will start the pump. Once the water level reaches it preset maximum, the pump will be stopped. Alarm and monitoring conditions are configured for flow rate, dam and trough depth, power in the pump houses and for the contactor status of the pump. High and low level SMS alarms are set for the dams.
The Jabeco modules that form the building blocks of this control network are listed below:
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