Control Cables And Communication; Monitor Board Features; Figure 2 Monitoring Board (U2) Auxiliary Terminal Block Detail - Emerson Liebert NX 400V User Manual

1.7

Control Cables and Communication

1.7.1

Monitor Board Features

Based on your site's specific needs, the UPS may require auxiliary connections to manage the battery
system (external battery circuit breaker, battery temperature sensor), communicate with a personal
computer or provide alarm signaling to external devices or for Remote Emergency Power Off (REPO).
The monitor board, arranged for this purpose, is located on the rear of the operator access door. The
main features are:
• Input and Output dry contacts signal (one pair of contacts of relay)
• Emergency Power Off control (EPO)
• Environmental parameter input interface
• User communication (for data setting and user background monitor)
• Intellislot™ interface
• Modem interface
• Temperature detect interface
Figure 2 Monitoring board (U2) auxiliary terminal block detail
J8
LCD
J2
J21 J25
J13
BFP INV ACF
X1
J28 J4 J26
EPO Dry In MBC
X2 X3
J3 J1
Intellislot 2
Intellislot 1
J30 J10
Intellislot 3
BCB
The black square (
on each slot indicates Pin 1.
11
Single Module UPS Installation
X7
J22
X6
J23
J12
J9
PWR
J15
Modem
SNMP Card
J16
J17
X4 X4
J24
)
X5