Dry Contacts; Input Dry Contacts; Figure 7 Auxiliary Terminal Block Detail (Monitoring Board); Figure 8 Input Dry Contacts - Emerson Liebert NX 10-30kVA Installation Manual

Figure 7 Auxiliary terminal block detail (Monitoring Board)
J8
LCD
J2
J13 J21 J25
BFP INV ACF
X1
2.3

Dry Contacts

The UPS provides input dry contacts and output dry contacts.
2.3.1

Input Dry Contacts

There are several input dry contacts at the X3 slot.
Figure 8 Input dry contacts
Table 1 Input dry contacts at X3
Position Name
J4.1 ENV
J4.2 BtG
J4.3 GEN
J4.4 +12V
1 - Must be configured by configuration software before becoming active.
2 - When activated, the charger current can be limited, via software, to a percentage of the full charger current (0-100%).
3 - Activating this feature turns the battery charger off.
J28 J4 J26 J30 J10
EPO Dry in MBC
X2
X3
Description
3
Battery Room Alarm (N.C.)
Battery Ground Fault Detection (N.C.)
1,2
Generator Join Detection (N.O.)
+12V Power
J3
J1
Intellislot 2
Intellislot 1
Intellislot 3
BCB
NOTE: The black square ( ) on each slot indicates Pin 1.
15
Electrical Connections
J22 X7
J23 X6
J12
J9
PWR
MODEM
J15
X5
SNMP CARD
J16
J17
X4
X4
J24
NOTE: The black square ( )
on each slot indicates Pin 1.