SNR UPS-ONRT-25-INTXL33 [22/53] Battery warning output dry contact interface

SNR UPS-ONRT-25-INTXL33 [22/53] Battery warning output dry contact interface
Installation Instruction
18 HR33 Rack Mounted UPS 25KVA User Manual
The default function of J6 and J7 are the ports of BCB. The port diagram is shown in
Fig.3-8, and description is shown in Table 3.8.
BCB_DRV
BCB_CONT
J6
J7
BCB_ONL
+24V
+24V
+24V
Fig.3-8 BCB Port
Table 3.9 Description of BCB port
Port
Name
Function
J6-1
BCB_DRIV
BCB contact drive, provides +24V voltage
20mA
drive signal
J6-2
BCB_Status
BCB contact status, connect with the normally open
signal of BCB
J7-1
BCB_Online
BCB on-line input (normally open) , BCB is
on-line when the signal is connecting with J7-2
J7-2
GND_DRY
Power ground for +24V
Battery Warning Output Dry Contact Interface
The default function of J8 is the output dry contact interface, which presents the
battery warnings of low or excessive voltage, when the battery voltage is lower than
set value, an auxiliary dry contact signal will be activated via the isolation of a relay.
The interface diagram is shown in Fig.3-9, and description is shown in Table 3.9.
Fig.3-9Battery warning dry contact interface diagram
Table3.9Battery warning dry contact interface description
Port
Name
Function
J8
BAT_LOW_NC
BAT_LOW_N
O
GND

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