22 NS3000 UPS 60KVA~120KVA User Manual
Note
Specified temperature sensor is required for temperature detection (R25=5Kohm,
B25/50=3275), please confirm with the manufacturer, or contact the local maintenance
engineers when placing an order.
Remote EPO Input Port
J4 is the input port for remote EPO. It requires shorting NC and +24V and
disconnecting NO and +24V during normal operation, and the EPO is triggered
when opening NC and +24V or shorting the NO and +24V. The port diagram is
shown in Fig.3-15, and port description is shown in Table 3.7.
E
P
O
_N
C
+
2
4V
+24V
Fig.3-15 Diagram of input port for remote EPO
Table 3.7 Description of input port for remote EPO
Port
Name
Function
J4-1
REMOTE_EPO_NC
Trigger EPO when disconnect with J4-2
J4-2
+24V_DRY
+24V
J4-3
+24V_DRY
+24V
J4-4
REMOTE_EPO_NO
Trigger EPO when connect with J4-3
Generator Input Dry Contact
The default function of J5 is the interface for generator J5 Connect pin 2 of J5
with +24V power supply; it indicates that the generator has been connected
with the system. The interface diagram is shown in Fig.3-16, and interface
description is shown in Table 3.8.
J5
GEN
+24V
AUX-N.O.
AUX-N.O.
Generator
Fig. 3-16 Diagram of status interface and connection of generator
Summary of Contents for NS3000 Series
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