D-500 MK3 User Manual Firmware V-14.2
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The unit offers 6 digital outputs with programmable function, selectable from list.
Negative pulling protected semiconductor output. One terminal is
connected to battery negative.
Short circuit protection:
Reverse voltage
protection:
Relay output, normally closed contact. One terminal is internally
connected to mains phase L1 input.
Relay output, normally open contact. One terminal is internally
connected to genset phase L1 input.
3.10. GENERATOR CONTACTOR OUTPUT
3.9. MAINS CONTACTOR OUTPUT