How The System Works - Panasonic LJ-SK56A Installation Manual

1. How the System Works

In this manual, "Lithium-ion Storage Battery System" is described as "storage battery system".
This product can be used as an on-line system (the utility power company controls charging/discharging) or an
off-line system (the storage battery system operates by itself).
LJ-SK56A
1-1 On-line System
In on-line system, the product controls the charging and discharging in accordance with the on-line
commands which are determined by the programs in the utility power servers. The system operates identically to the
off-line system during periods when there are not any control commands from the utility.
On-line
Commands
Storage Battery
System
* Operating on-line system requires a network adaptor (LJ-NA02) and network environments to access the server of the
utility power company.
* With the on-line system, the storage battery system operates giving priority to control commands from the utility.
* Select an operation mode when operating the off-line system. For details, see the explanation of 1-2 off-line system.
* As for the operations of the storage battery system via the programs of the server of the utility, contact the utility you are
contracted with.
4
Off-line
System
Grid
RS485
LJ-NA02
ON
OFF
Control commands
from the utility
operate the system.
Control commands
charging/discharging
LAN
Broadband
router
DRED
Off-line Control commands
system operates from the utility
by itself. operate the system.
On-line
System
Servers Operated by Utility
Internet External Server