ESA (Electronic Spark Advance) ignition system or computer controlled ignition system is an EFI ignition system. One of the components in the ESA ignition system is the igniter. The igniter is a component that gets commands directly from a computer (ECU) through an IGT signal to initiate ignition. You can get an igniter by visiting http://www.networkselectronic.com/.
The main function of the igniter is to disconnect and connect the primary current of the coil based on the IGT signal. But there are some other functions of igniter that is:
- The igniter as an ignition confirmation signal generator (IGF signal)
- The igniter as a dwell angle sensor that serves to control the length of the transistor ON or duration of the primary current flows
- The igniter as lock prevention circuit is a circuit that serves to turn off the transistor if the current flow too long to flow through the coil primer coil.
- Ignitor as overvoltage prevention circuit, which is a circuit that serves to Off-kan transistor if the power supply voltage is too high
- The igniter as current limiting control is a circuit that can guarantee a constant primary current every time either when the low rotation or when high rotation so that the secondary voltage is always high
- The igniter as a signal tachometer
The Ne signal and signal G are the crankshafts and zero spin signals. although there is a difference in the ignition system, the use of Ne and G signals remain the same. Ne signal shows the position of the crankshaft and engine rotation. While the G signal (also called the VVT signal) shows the identification of the position of each cylinder. By comparing between G signal and Ne signal, the ECU is able to identify which cylinder is performing the compression step. It is very necessary to calculate crankshaft angle or when ignition. The ignition setting (forward or backward) is done by setting the IGT signal first by the ECU. Get the best igniter by visiting Networks Electronic.
IGT signal is a signal to enable the igniter so that the coil can work and produce high voltage. Therefore, to advance and reverse when the ignition is done by speeding up or slowing down the IGT signal to the igniter. With the changing time of IGT signaling, the high voltage coil to produce sparks can also be forward or backward. The ECU will calculate and assign IGT signals based on the mode and working conditions of the machine. IGT signaling based on crankshaft position sensor signal, nose shaft position sensor signal, engine load, knock sensor, engine temperature, and others. In general, the ignition control is divided into two, namely ignition control when the engine in the starter and control handle after the machine disaster.
The ignition control at the start is when the ignition is stenciled at a fixed time regardless of the working conditions of the machine ie at 5-10 degrees before TMA. The ignition control after the machine is starting includes ignition control when the engine starts, the base ignition advance angle, the corrective ignition advance control. Such is the article about the igniter and signals on ESA's ignition system. Go to www.networkselectronic.com and find out about the best and high quality product.
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