Royaltek RDR-3100 Bedienungsanleitung PDF herunterladen (Seite 6)

RDR-3100 User Manual

4.2 Application Circuit

Figure 1 illustrates the proposed schematic diagram of Gyro, odometer and RDR-3100. RDR-3100 supports the Gyro, Panasonic EWT S84/86.

Please care about the ground partition design among Gyro circuit, RDR-3100 and odometer input. It would be better to use 2 kinds of ground.

The input of odometer is around 12V typically. It transfers the voltage level to accommodate the I/O voltage level of RDR-3100. The photo

coupling transistors also isolate the noise of car from the RDR-3100 system.

The power of the gyro is 5Vwhich is different from the power of RDR-3100. Please use a separate analog ground for gyro. And please keep high

speed signal away from the signal path of gyro and power when doing layout.

Figure 2 illustrates the proposed schematic diagram of Backup Battery

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Royaltek RDR-3100 Bedienungsanleitung Seite 6