ABB CPS6000 Product Manual page 94

Configuration
This area of the menu system is where system operational parameters, system device information, and
alarm thresholds are set up.
Float Settings: Set the system float voltage and the thresholds for the following alarms:
Set Point
Very High Voltage Major
High Voltage Minor
BD (Battery on Discharge)
Major
Very Low Voltage Major
Shunt Monitors: Versions of the CPS6000 are equipped with a battery or load shunt. For those shelves
that do not have shunts these settings are not used. The QS840A utilizes RS485 serial communication
to external distribution monitoring and control boards for shunt measurements and contactor control.
Up to four external boards can be controlled. These boards must be identified by assigning them an
address and an appropriate operation. The following is shown for completeness.
ID1-4
ID1-4 Rating
Redundancy: Enable or disable rectifier redundancy mode. When Enabled, an alarm is automatically
generated when the rectifier capacity On-line in the system falls below N+1 based on the present
system load. The factory default for this feature is disabled.
Batteries: Set up the following battery information:
Battery Type
Installed Capacity
Battery Strings
End Of Discharge Voltage
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System Float Voltage set-point adjustable from -42.0 to -56.5V with a factory default of -54.5V.
Alarm occurs and the unit is shut down when the system detects voltage above its set
threshold. The threshold can be set from 50V to 60V in 1V increments. The factory default
setting is 57V.
Alarm indicates an abnormally high output voltage but does not shut the unit down. The alarm
threshold can be set from 50V to 60V in 1V increments. The factory default setting is 57V.
Alarm occurs when the system is operating either completely or partially on battery power. The
alarm threshold can be set from 46V to 55V in 0.1V increments. The factory default setting is
51.0V.
Alarm indicates an imminent system shutdown due to discharging batteries or low output
voltage.
The operation "Type" of each shunt monitoring circuit on system distribution boards 1-4 must
be assigned based upon actual system implementation. The operational Type may be: None
(For no shunt), Battery (Monitoring battery currents), and Load (for load currents).
The current rating of each shunt being monitored by the system distribution boards 1-4 must
be configured based upon actual system implementation. All shunts are assumed to be 50mV.
The current rating may be from 0-9999 Amps. The factory default is 300A.
The type of batteries used in the system and can be set for Valve- Reg (VRLA), Flooded,
NiCd, Li-LMP, and Li-ELiTE type batteries. Factory default is Valve-Reg.
Total installed battery capacity assuming an 8-hour rate (0-30000 AH). Factory default is 0.
Total number of battery strings attached to the system
The user defined system bus voltage at which the batteries are considered to be at the end of
their reserve capability for manual battery testing (End of Discharge). This end-of-discharge
voltage is used for automatic and opportunistic reserve time calculations. It has a range
of -36.00 to -48.00V. The system factory default is - 44.00V.