HSI installation guide
2.4
HSI basics
STATUS LED
The STATUS LED displays:
• a constant green when the probe is seated;
• a constant red when the probe is triggered or no probe is connected.
If the LED is unlit, there is no power supply to the HSI.
PROBE TYPE LED
The PROBE TYPE LED displays:
• a constant green when the interface is connected to a RENGAGE probe;
• a constant orange when the interface is connected to a standard probe or when no probe is
connected;
• a flashing red when a probe inhibit function is active.
If the LED is unlit, then there is no power supply to the HSI.
Remote device
The remote device circuit provides:
• a closed output to indicate that the probe is seated (maximum current is 10 mA);
• an open output to indicate that the probe is triggered, that no probe is connected or that the power
is off.
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