Cellwatch Frontier System Installation & User Manual
Section II – User Guide-79
Electrolyte Levels
Use this option to calibrate Frontier Electrolyte Level Detector (FED) units once all FED units have been
properly wired and installed. Ensure that all jars have been filled.
In the Operations tab, click Calibrate to set the ‘full’ level for each FED unit. A Quick Calibrate can be
used if the FED string has already been enumerated. An example would be to recalibrate a string that
has already been calibrated. A Full Calibrate will power cycle the FED units and re-enumerate the FED
string in addition to setting the ‘full’ level. This process should be run when installing FED units for the
first time on a system.
To update FED status, a Manual Scan can also be sent to the FED string from this page. The Frontier
system will automatically scan the FED string every 15 minutes.
String/Channel Alarms
Voltage, ohmic, individual cell temperature (DCM 5T or 6T), and AC ripple voltage alarm limits are
defined under the String/Channel Alarms menu. Alarms can be configured for the battery, for individual
strings, or for individual channels. Use the Battery and String tabs at the top of the page to select which
tier of alarms you wish to modify.
String Alarms
Set the low and high voltage alarms for the string. This alarm can be used to monitor the DC
charger to ensure the string has a proper float voltage.
Set the high ripple voltage limit. High ripple voltages can indicate that the UPS has failing
components. Large ripple levels can cause damage to a battery over time. This is an extended
feature of the DCM and requires activation.
Channel Alarms
Cell voltage, ohmic value, and cell temperature alarm limits are
configured here. Use the Unit drop-down box to select which values
you wish to change. The unit of measure will change for the
appropriate value. Alarms can be set for all channels globally (Fixed
Value) or for each cell individually. Additionally ohmic value alarms can be set by specifying a % of last
reading value. Charger Cables, inter-cell and inter-tier strap alarms can be set here based on the
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