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20 Chapter 3 Electrical Installation
HIPULSE U UPS Single Module And “1+N” (Expandable) 160/200/300/400kVA User Manual
3.3 Control Cabling
3.3.1 Monitoring Board Ports
Based on your site’s specific needs, the UPS may require auxiliary connections to manage the battery system,
communicate with a personal computer or provide alarm signaling to external devices or for remote Emergency
Power Off (EPO). The monitor board, arranged for this purpose, is located on the rear of the operator access door. As
shown in Figure 3-4, it provides the following ports:
z dry contact input ports (X3)
z dry contact output ports (X1)
z emergency Power Off (EPO) input port (X2)
z auxiliary DC power output port (X5)
z communication ports: serial ports RS232-1 and RS232-2, Intellislot ports
MODEM/
SNMP卡电
源
黑方块（ ）代表引脚1
X1
J15
J16
RS232-2
RS232-1
) on each slotThe black square (
indicates Pin 1.
PWR
Modem
SNMP
card
Figure 3-4 Ports of the monitoring board
Dry contact input ports (X3)
The dry contact input ports (X3) include a battery environment, battery ground fault and generator supply detection
port (J4) and a maintenance bypass cabinet port (J26, J30), as shown in Figure 3-5.
Figure 3-5 Dry contact input port