20 NS3000 UPS 60KVA~120KVA User Manual
3.7 Control and Communication Cables
The front panel of the bypass module provides dry contact interface (J2-J11)
and communication interface (RS232
,
RS485,SNMP ,Intelligent card interface
and USB port)
,
as it is shown in Fig.3-13.
USB
485
232
Parallel Interface
Dry Contact
Battery Cold Start
SNMP
Intelligent Slot
Fig.3-13 Dry contact &communication interface
3.7.1 Dry Contact Interface
Dry contact interface includes port J2-J11 and the functions of the dry contact
are shown in Table 3.5.
Table 3.5 Functions of the port
Port
Name
Function
J2-1
TEMP_BAT
Detection of battery temperature
J2-2
TEMP_COM
Common terminal for temperature detection
J3-1
ENV_TEMP
Detection of environmental temperature
J3-2
TEMP_COM
Common terminal for temperature detection
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 shorted with J4-3
J5-1
+24V_DRY
+24V
J5-2
GEN_CONNECTED
Input dry contact , function is settable ,
Default: interface for generator
J5-3
GND_DRY
Ground for +24V
J6-1
BCB Drive
Output dry contact, function is settable.
Default: Battery trip signal
J6-2
BCB_Status
Input dry contact, function is settable.
Default: BCB Status and BCB Online, (Alert no
battery when BCB Status is invalid).
J7-1
GND_DRY
Ground for +24V
J7-2
BCB_Online
Input dry contact, function is settable.
Default: BCB Status and BCB Online (Alert no
battery when BCB Status is invalid).
J8-1
BAT_LOW_ALARM_NC
Output dry contact (Normally closed), function
is settable.
Default: Low battery alarming
J8-2
BAT_LOW_ALARM_NO
Output dry contact (Normally open), function is
Summary of Contents for NS3000 Series
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