Aem 30-2500 AQ-1 Data Logging System Manual de usuario descargar pdf (Pagina 5)

Page 5 10-2500 AQ1 Instructions RevD 102512.doc

Figure 3 below shows the connection for an engine speed signal using an AEM Twin

Fire CDI.

Digital 1-3 are switched to ground digital inputs, 16.5 V MAX tolerance.

Examples: Clutch/brake/cooling fan ground switch, nitrous solenoid ground or ground

switch input to start/stop Logger (Ground activated input). Figure 4 below shows wiring

diagrams for an on/off activation switch and a nitrous solenoid. The corresponding

wires in the harness for Digital 1-3 are Brown and are labeled SW 1, SW 2, and SW 3.

SENSOR POWER

The AQ1 Data Logger has an internal low current 5 volt power supply that is used for

powering sensors that require a 5 volt excitation. The corresponding wires in the

harness are Red and are labeled 5 VOLTS.

Figure 3. Engine RPM Signal From CDI

Figure 4. Activation Switch (Left) and Nitrous Solenoid (Right) Connections

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Aem 30-2500 AQ-1 Data Logging System Manual de usuario Pagina 5