Figure 4 Connecting an NX Series or APM UPS to an NX Series or APM UPS . . . .. . . . . . . . . . . . . . . . . . . . . 2
ACRONYM
NX series : NX product series comprises of NX, NXr, Nxc, Hipulse U, ITA(30/40 kVA) UPS
Non NX series : Non NX product series comprises of Ul33, NXL, 80-net, and any other brand UPS
1.0 GENERAL
Load Bus Sync (LBS) Extender/Adapter for Dual Bus UPS is designed to extend the LBS function,
up to 150m (492 ft.) between NX series or APM series uninterruptible power system (UPS) modules of a
dual bus system (DBS). The adapter also enables an NX Series or APM UPS to synchronize with other
UPS models.
Figure 1 LBS Adapter dimensions
General
(216.2mm)
DY3-4ZPW
POWER ON
LED1
COM1
Figure 2 Horizontal installation
DY3-4ZPW
POWER?ON
LED1
Figure 3 Vertical installation
COM2
SWITCH
1.8"
(45.5mm)
COM2
COM1
SWITCH
5.25"
(133.5mm)
1
2.0 INSTALLATION
2.1 NX Series or APM UPS to NX Series or APM UPS
WARNING
!
Installation by qualified electrical personnel only - hazardous voltage may be present at the
UPS output connectors.
1. Connect the power cables of the adapter to the Phase A, Neutral and Ground output of each UPS.
2. For NX Series UPS except for NXr, connect the LBS cable (with two DB9 ports) to COM1 of the LBS
Signal Adapter; for NXr UPS and APM UPS, connect the end of the LBS cable (with a DB9 port
and an RJ45 port) with DB9 port to COM1 of the LBS Signal Adapter.
3. For NX Series UPS except for NXr, connect the other end of the LBS cable (with two DB9 ports) to X4 on
the parallel board (UHW241M3) in the UPS; for NXr UPS and APM UPS, connect the end of the
LBS cable (with a DB9 port and an RJ45 port) with RJ45 port to the J4 port of the bypass module
of the UPS.
4. Connect the communication cable (up to 492 ft. [150m]) to the COM2 interface of each LBS Signal
Adapter.
5. The switch of both LBS signal adapters should be in the right position (see Figure 4).
Figure 4 Connecting an NX Series or APM UPS to an NX Series or APM UPS
Installation
Power ON
LED1
Power Cable
Connect to NX Series or APM UPS
2.2 NX Series or APM UPS to Non NX Series or non-APM UPS
WARNING
!
Installation by qualified electrical personnel only - hazardous voltage may be present at the
UPS output connectors.
1. Connect the power cables of the adapter to the Phase A, Neutral and Ground Output of each UPS.
2. For NX Series UPS except for NXr, connect the LBS cable (with two DB9 ports) to COM1 of the LBS
3
. For NX Series UPS except for NXr, connect the other end of the LBS cable (with two DB9 ports) to X4 on
4. Connect the communication cable (up to 492 ft. [150m]) to the COM2 interface of each LBS Signal
5. The switches of LBS signal adapters connected to the NX Series or APM UPS should be in the right
.
Signal Adapter connectedto the UPS; for NXr UPS and APM UPS, connect the end of the LBS cable
.
a DB9 port and an RJ45 port) with DB9 port to COM1 of the LBS Signal Adapter.
(with
board the parallel (UHW241M3) in the UPS; for NXr UPS and APM UPS, connect the end of the
.
LBS cable (with a DB9 port and an RJ45 port) with RJ45 port to the J4 port of the bypass module of
the UPS.
Adapter.
position and the switches of LBS signal adapters connected to the Non NX Series or non-APM UPS
should be in the left position (see Figure 5).
COM1 COM1COM2 COM2SWITCH SWITCHPower ON
Power Cable
LBS
Cable
Connect to NX Series or APM UPS
Communication Cable
up to 492 ft. (150m)
LED1
LBS
Cable
2
Figure 5 Connecting an NX Series or APM UPS to a Non NX Series or non-APM UPS
Installation
LED1
Power Cable
Connect to NX Series or APM UPS
Table 1 Human interface - indicators and switches
Item Description
Power port Connect to Phase A, Neutral and Ground of output of UPS.
LED1 (red) Power LED. It illuminates when the power is on, turns o ffwhen the power fails.
COM1
COM2
SWITCH
COM1 COM2 SWITCH COM1 COM2 SWITCHPower ON
Power Cable
Connect to Non NX Series or non-APM UPS
LBS
Cable
Communication Cable
up to 492 ft. (150m)
LBS Signal interface.
Connect to NX Series or APM UPS.
RS485 interface.
Connect to other Signal Adapter.
Green LED: Communication Power is OK.
Yellow LED: Adapter is connected to Non NX Series or non-APM UPS.
Switch to left: Connect to Non NX Series or non-APM UPS.
Switch to right: Connect to NX Seires or APM UPS.
Power ON
LED1
Table 2 Electrical rating
Description Rating
Voltage 120V-277VAC
Frequency 45-65HZ
Current 1.5A Max.
Table 3 Part number description
Description Part Number
150 Meter Kit NX150MLBSKIT
50 Meter Kit NX050MLBSKIT
3
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