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InteliLite Global Guide

It is necessary to ensure that potential difference between generator current COM terminal and battery “- ”

terminal is maximally ± 2V. Therefore is strongly recommended to interconnect these two terminals together.

Note: The controller should be grounded properly in order to protect against lighting strikes. The maximum

allowable current through the controller’s negative terminal is 4A (this is dependent on binary output load).

For the connections with 12 V DC power supply, the controller includes internal capacitors that allow the

controller to continue in operation during cranking if the batter voltage dip occurs. If the voltage dip goes during

cranking to 0 V and after 50 ms it recovers to 4 V, the controller continues operating. This cycle can repeat

several times. During this voltage dip the controller screen backlight can turn off.

Note: Recommended fusing is 3 A fuse.

Note: In case of the dip to 0 V the high-side binary outputs will be temporarily switched off and after recovering

to 4 V back on.

IMPORTANT: When the controller is power up only by USB and the USB is disconnected then the

actual statistics can be lost.

Note: Suitable conductor protection shall be provided in accordance with NFPA 70, Article 240.

Note: Low voltage circuits (35 volts or less) shall be supplied from the engine starting battery or an isolated

secondary circuit.

Note: It is also possible to further support the controller by connecting the external capacitor and separating

diode. The capacitor size depends on required time. It shall be approximately thousands of μF. The capacitor

size should be 5 000μF to withstand 150 ms voltage dip under following conditions: Voltage before dip is 12V,

after 150ms the voltage recovers to min. allowed voltage, i.e. 8V.

Power supply fusing

A 3 A fuse should be connected in-line with the battery positive terminal to the controller and modules. These

items should never be connected directly to the starting battery. Fuse value and type depends on number of

connected devices and wire length. Recommended fuse (not fast) type - T3 A. Not fast due to internal

capacitors charging during power up.

ComAp InteliLite MRS16 Global Guide

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