Modular UPS 25KVA~900KVA User Manual 31
Installation Instruction
is triggered when opening NC and +24V or shorting the NO and +24V. The port
diagram is shown in Fig.3-19, and port description is shown in Table 3.7.
E
PO
_
N
C
+24
V
+24V
Fig.3-19 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
Note
J4-1 and J4-2 must be connected in normal operation.
Generator Input Dry Contact
The default function of J5 is the interface for generator, connecting pin 2 of J5 with
+24V power supply; it indicates that the generator is connected with the system. The
interface diagram is shown in Fig.3-20; interface description is shown in Table 3.8.
J5
GEN
+24V
AUX-N.O.
AUX-N.O.
Generator
Fig. 3-20 Diagram of status interface and connection of generator
Table 3.8 Description of status interface and connection of generator
Port
Name
Function
J5-1
+24V_DRY
+24V
J5-2
GEN_CONNECTED
Connection status of generator
J5-3
GND_DRY
Power ground for +24V