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card.
When connected to an SNMP Card it can provide environment status feedback (temperature, humidity and
water presence) via the internet using a standard browser.
7-3 DRY PORT RELAY CARD - OPTIONAL
The dry port relay Card provides contact closures for remote monitoring your UPS. To meet different
application requirement, the Relay card is capable of selection the status of the dry-contact signal (active
close or active open) by setting jumper.
NOTE1: To shutdown the UPS system a high level signal is required for 3-10s between Pin3 & Pin4, DC
current should be less than 6mA
Note 2: The relays have a maximum voltage of 24Vdc and maximum 1A between the contacts
Note 3: Maximum 1.5mm² cable size for connection terminals
INTERNAL LOGIC CONNECTION
The Internal logic of the card can be changed across the 5 relays between NC and NO by moving the
internal relays on the card.
If the Jumper is connected to PIN1 & PIN2 the relay is NC
If the Jumper is connected to PIN2 & PIN3 the relay is NO
There are 6 jumpers on the Card:
JP1 – UPS ALARM (PIN2) JP2 – UPS ON (PIN8) JP3 – BYPASS ACTIVE (PIN6)
JP4 – LOW BATTERY (PIN7) JP5 – UTILITY FAILURE (PIN7) JP6 – UPS FAILURE (PIN1)
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