LAMBDA - Model LCA80 - Controllers
From Ignitions - Lambda
Product LAMBDA controller - LCA80 is separate module for control and signal processing of wideband lambda probe type LSU 4.9 a LSU 4.2.
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Technical Specification
Lambda Controller can be used for:
- Combustion engines of automobiles
- Cogeneration units = CHP
- Boilers for gas combustion or biomass
LAMBDA controller is based on circuit BOSCH CJ125 which serves basic function of oxygen sensor along with supporting microprocessor for filtering and control. Microprocessor also provides forwarding data to the diagnostic interface USB or CANbus in protocol SAE J1939. Lambda probe heater is controlled by PID regulator and the resistance of measuring cell (Nerns Cell) with auto-off option according to engine speed received from CANbus.
LAMBDA controller processes and visualizes data about Lambda mixture – λ, Oxygen – O2, Ratio – A/F, Probe temperature – T [°C], Supply voltage – U[V] and Engine speed – RPM.
LAMBDA controller can be directly included in the ECU MASTER unit as extened module. This solution is possible only for units with four outputs, such as MASTER 4TCI or MASTER 2CDI 2TCI. For units with ten outputs is possible connection by CANbus – J1939 interface.
Outlines
- Supply voltage range 7 až 36V (12V/24V)
- Consumption 10W (probe heater)
- Operation temperature -40 až 85°C
- Support for Lambda probe type: LSU 4.9 a LSU 4.2
- Used BOSCH CJ125 circuit and microprocessor support
- Ratio – A/F: Gasoline, Diesel, Methanol, Ethanol, E85, LPG, CNG, Hydrogen
- Visualization:
- Lambda – λ ............ 0,7 to 12,5 (± 0.1%)
- Oxygen – O2 ........ -7,5 to 20% (± 0.1%)
- Ratio – A/F ....... (Gasoline, Methanol, Ethanol, LPG, Diesel)
- Temperature – T [°C] .... -40 to 1050°C (± 3°C)
- Supply voltage – U ....... 7 to 50V (± 2%)
- Engine hours ................ [h:m:s]
- CANbus support at protocol SAE J1939 (250kbps)
- Supported connection or integration with ECU MASTER
- Galvanically isolated USB – USB protection against earth fault and EMC disturbances
- PC application – to visualize measured values
- Measuring the supply voltage
- Connector – TYCO automotive
- Protection class – IP65
- Dimensions 105×50×37mm
Applications
Visualization is done from application LAMBDA control run on your PC. The application works under Windows 95 and higher. Installation requires 4MB of free space at your hard disc.
To connect lambda to PC is used USB interface. Driver for USB is included on the installation CD.
Visualized information
- Revolutions [rev/min]
- Lambda – λ
- Oxygen – O2
- Ratio – A/F
- Temperature – T [°C]
- Supply voltage – U [V]
- Analog output – AO [V]
- Engine hours [h:m:s]
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