16 Chapter 3 Commissioning
NetSure 731 A41 Subrack Power System User Manual
3.2 Basic Settings
When the system is put into service for the first time, the parameters of controller module must be set based on the
actual system configuration, such as
battery number, capacity, user’s charge current limit and other functional
requirements. Only after that can the controller module display system operation information and control the output.
(M221S,M222S controller password is 2; M225S controller password is1 )
OK
Comments
The system model has been set correctly in factory before delivery, check that the setting agrees with the
actual system.
(The path to check and set of the M221S\M222S controller
：
Settings
Bat. Settings
Basic Settings
）
NetSure 731 A41-S1
：
48V/SET
；
battery shunt coefficient
：
300A/25mV
；
(The path to check and set of the M225Scontroller
：
Settings
Shunt A
）
NetSure 731 A41-S2
：
battery shunt coefficient
：
300A/25mV
Setting controller according to number of battery groups connected. Default: two groups.
(The path to check and set of the M221S\M222S controller
：
Settings
Bat. Settings
Basic Settings
Bat.Fuse
）
（
No such settings for M225S controller
）
Setting controller according to the capacity of battery groups connected. Default: 300Ah
（
The path to check and set of the M221S\M222S controller
：
Settings
Bat. Settings
Basic Settings
Capacity
）
（
The path to check and set of the M225S controller
：
Settings
Capacity
）
Setting LVD1: default:44V
（
If the subrack system is used for outdoor, default setting:46.6V
）
（
The path to check and set of the M221S\M222S controller
：
Settings
Bat. Settings
LVD Settings
LVD1 Volt
）
（
The path to check and set of the M225Scontroller
：
Settings
LVD1
，
default setting:Yes
Relay 2 settings“Settings
Relay 2”,default setting “LVD1”
）
Setting LVD2: default:43.2V
（
If the subrack system is used for outdoor, default setting:45.6V
）
（
The path to check and set of the M221S\M222S controller
：
Settings
Bat. Settings
LVD Settings
LVD2 Volt
（
The path to check and set of the M225Scontroller
：
Settings
LVD2
，）
Setting AC input type. Default value: 1-PH
（
The path to check and set of the M221S\M222S controller
：
Settings
Input Settings
AC PH
）
（
No such settings for M225S controller
）
Walk-in T setting: default
：
8S
（
The path to check and set of the M221S\M222S controller
：
Settings
Rect Settings
Walk-in on
，
default“Y”
(Settings
Rect Settings
Walk-in T
，
default“8S”
）
（
The path to check and set of the M225Scontroller
：
Settings
Walk-in T
，
default“8S“
）
Setting controller according to the battery factory.Temperature compensation range:0
～
500mV/
℃
. Default
：
72mV/
℃
.
（
The path to check and set of the M221S\M222S controller
：
Settings
Bat.settings
Temp.Comp
）
（
No such settings for M225S controller
）
Set the charge current limit according to your needs. Setting range: 0.1 C10
～
0.25C10
。
Default
：
0.1C10
（
The path to check and set of the M221S\M222S controller
：
Settings
Bat. Settings
Charge
）
（
No such settings for M225S controller
）
Set the controller according to the voltage suggested by the battery supplier.
Float charge voltage
：
42V
～
Boost charge(BC)
，
default
：
53.5V(If the subrack system is used for outdoor,
default voltage:54V)
；
Boost chare voltage
：
Float charge(FC)
～
58V
，
default
：
56.4V
（
The path to check and set of the M221S\M222S controller
：
Settings
Bat. Settings
Charge
）
（
The path to check and set of the M225Scontroller
：
Settings
Float/Boost
）
Settings
Float/Boost
Set the boost charge voltage higher 0.1V than float charge voltage for the free boost charge battery.
Close the battery MCBs and connect the battery.