Alpha Technologies Cordex Controller Ver.2.0 - Manual (Page 15)

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3.9 Low Voltage Disconnect Operation
Whenever the system parameters require that the LVD be activated, a 60-second countdown and audible warning
will commence. When the countdown reaches zero, the LVD will be activated. During this countdown, an icon on
the GUI may be pressed to evoke a prompt to inhibit LVD controls – activated by entering the Supervisor
password. There is a 10-minute time-out for this. See also LVD Inhibit 6.7.2.
3.10 Signals Management
The CXC enables the Supervisor to view and edit a signal equation of the selected signal. The Supervisor may
also configure custom signals; properties may be modified or disabled as required. All signals in the system can
be selected for a signal equation builder making it possible to combine logic conditions and analog values to
generate an alarm.
The Supervisor can select which Temperature Sensor (including any smart peripheral temperature sensors) is
enabled for Battery Temp Sensor Signal.
3.11 Statistics and Historical Data
The CXC is capable of tracking several statistical parameters on a daily basis; e.g., analog statistics or triggered
items (listed below), such as, battery log and event log, see Data Logging (web interface only), Section 6.6.3.
Data is stored in local memory and may be accessed via a web interface. The logged data is comma-delimited
such that it can be automatically viewable in rows and columns in MS Excel. The data is stored on a first-in-first-
out basis.
3.11.1 Analog Statistics
All statistics, to a maximum of 90 records (one per day) contain a time stamp and date. Daily analog statistics
include the minimum, maximum and average of:
Load Voltage Load Current
Battery Voltage Battery Current
AC Mains Battery Temperature
Total Rectifier Current Average DC Voltage
Average AC Voltage Number of Acquired Rectifiers
Number of Sourcing Rectifiers Ten Custom Signals
3.11.2 Battery Log
A maximum of 40 records can be logged for battery statistics and events. The Battery Log contains the following:
Event Type Capacity Rating
Battery Test Start Time Depth of Discharge
Discharge Duration Time Capacity
Amp Hours Delivered Recharge Duration
Amp Hours Recharge Return Peukert Number
1-5 Max. Midpoint Deviation Discharge Data1
1-5 Max. Midpoint Deviation Recharge Data2
Battery Current/Average Battery Current Battery Temperature/Average Battery Temperature
Battery Voltage/Battery Test End Voltage Open Circuit Voltage
Battery Test Result
During a battery discharge, active battery log information is displayed in a row above the Battery Log. This
information is then no longer available after the battery has finished recharging.
The Battery Log also provides support for very slow discharges. This is accomplished by saving intermediate
battery log information in the event of controller power loss before battery recharge completes.
When a battery test (BT) is started by the remote BT feature, the battery log will show “Remote BT” in the Event
Type column.