EC500 Controller Handbook
Copyright © 2019 Eaton Corporation. All Rights Reserved.
Issue A March 2019
Page 30 of 107
Parameter
Description
Where to find:
Periodicity
Months between battery tests
Display:
Menu>Maintenance>Battery>Battery
Test>Battery1>Battery Test Status
Web:
Menu>Maintenance>Battery>Battery
Test>Battery1>Battery Test Status
Test Voltage
Result
Remaining Battery Voltage after Battery
Test completion.
Test Status
Final test result of the Battery Test,
Pass / Fail.
BATTERY REVERSE DETECTION
If a Battery Reverse Detection alarm is enabled and the battery is connected with reverse polarity, the EC500
will:
•
Activate Wrong Battery Polarity alarm, and
•
Prevent respective LVD from connecting.
For Battery Reverse condition detection system must install a Normally Open (NO) type contactor between
battery fuse and negative bus bar conn
ection. Battery contactor coil’s one end is connected with relay which is
triggered by controller and provides the positive path to contactor’s coil. The other end of coil is connected
with battery fuse which provides negative path to it.
Battery Reverse detection or Battery reverse alarm can be generated only at the time of system installation.
During run time it is not possible to detect the Battery Reverse condition. When the system is being installed
and we connect the battery in reverse condition, the
n contactor’s coil will not triggered due to incomplete
path. Controller will sense the voltage before battery fuse, if sense voltage is less than -20V then EC500 will
declare Battery Reverse alarm and protect the system.
Hazardous condition:
•
When the system is running and rectifiers are providing the bus voltage to circuit, the battery
contactor will be ON and EC500 will not turn off the contactor. In this run state of the system, if
reverse battery connected to the system then it can be hazardous for human and system.
•
If an N/C (Normally Closed) contactor installed in the system and a reverse polarity battery connected
to it, then before sensing the voltage system will fail.
If a battery is to be connected while system is in running condition, LVD must be isolated from Home >
Maintenance > Battery isolate.
MANUAL CHARGE MODE
Manual charge automatically increases the Rectifier voltage up to Charge voltage (i.e. 55.2V) to recharge the
batteries as quickly as possible after a prolonged battery discharge.
Rectifiers will charge the battery until its SoC becomes 100%. When battery comes to float mode (i.e. Battery
charging current becomes less than 3% of Battery AH), this function will be disabled.
Manual Charge Mode-Set, is stored in the event log.
Manual charge will stop if any below condition is true:
•
Disable the function, Rectifier will fall to float voltage.
•
Mains Off, manual charge will stop and will not go Manual mode again, even if Mains becomes OK.
