8
2. System Overview
Servers operated by Utility
Broadband
router
External Server
1Φ2
W
2
30V
1Φ2
W
2
30V
1Φ2
W
2
30V
Back-up Socket-outlet
1Φ2
W
2
30V
CT
Meter
In Your House
Distribution board
LAN
LJ-NA0
2
Internet
Grid
LJ-SK84A
RS485
LJ-SK84A: Lithium-ion Storage Battery System
This system is equipped with three battery modules. This product incorporates a network adaptor that is connected to
the external server of the utility via the Internet.
This system automatically updates its charging/discharging schedule based on instructions from the utility.
In the event of a power failure, you can use the stored electrical power via a Back-up Socket-outlet.
LJ-NA02: Network Adaptor
The network adaptor facilitates the communications between the demand response server and the lithium-ion storage
battery system (LJ-SK84A) to update the charging/discharging schedule and/or send information on the state of the
stored electrical power.
