© 2022 HyQuest Solutions
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Installation
Figure 3 – Left hand side I/O Connector
For more information, see the following subsections:
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External (Charger) Power Supply
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2.3.1
External (Charger) Power Supply
The iRIS can operate solely from the external battery which is charged externally, or you can connect any external dc
power source ranging from 8 – 30Vdc, including a solar panel, without requiring an additional solar regulator.
The battery charging circuitry for sealed lead acid (SLA) batteries utilises a switch mode regulator, employing Maximum
Power Point Tracking (MPPT) for maximum efficiency. The external power supply is protected against over-voltage by
ultra-fast acting protection devices and a self-resetting semiconductor fuse.
See section
for more information on configuration of the internal solar regulator.
Warning
A cable length of lesser than 3m is required on the VIN port.
Warning
When using the charger feature of the iRIS an external battery needs to be attached. The input
supply must be connected to VIN and the battery connected to VBAT. When an external charger or DC source
is used this must be connected to VBAT and NOT VIN. In this case VIN should be left disconnected.
Failure to follow these instructions will cause the power to iRIS to drop out irregularly and it will reboot.
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