APC 990-4053 Power Supply User Manual


 
38 Installation Guide APC Silcon 480kW 400V UPS
990-4053
Programming Parameters
System Configuration Parameters (password protected)
* Bold text refers to factory standard setting
**Advanced Battery Monitor
Parameter Setting* Comments
Isolation Transformer Input YES, NO YES if optional input isolation transformer is available
IsolationTransformer
Output
YES, NO YES if optional output isolation transformer is available
Delta Soft Start Time 1, 10, 20, 40 sec. Input current switching in ramp function. Use higher
values for smaller/unstable diesel generators
External SSW present YES, NO YES for systems with external static bypass switch
Normal Charge Voltage 410-460V
438V
Setting of float charge voltage at 20°C
(Automatic compensation for temperature deviations)
Boost Charge Voltage 438-460V
438V
Setting of boost charge voltage at 20°C
(Automatic compensation for temperature deviations)
Low Battery warning 336-384V
336V
Discharged Battery warning
Low Battery shut-down 310-336V
326V
Switches off system at min. permissible battery
voltage
Synchronization 0.25, 0.5, 1, 2, 4
Hz/sec.
Syncronization speed.
High Battery Temperature 15-40°C
35°C
Alarm - Ambient temperature for battery too high
Common fault delay 0, 10, 20,
30 sec.
Delay before common fault alarm relay is activated
Reset operation mode lock YES, NO YES resets system locked in bypass or battery
operation mode caused by system failures (only
applicable for service personnel)
Expected back-up time
(min.)
0.1-999.9
5.0
Expected UPS back-up time in minutes when running
at 100% ohmic load. Time used by ABM**
Battery Capacity in (Ah) 0.1-999.9
7.0
Total Battery capacity in Ah.
Setting used by ABM**.
Highest Station Address 2-9 Highest station address in parallel system
Station Address 1-9 Station address in parallel system
APM Mode Active
(Advanced Power
Management)
Disabled
Redundant +1
Parallel +1
Use only in parallel systems.
Disabled: Advanced power management off.
Redundant +1: Redundant operation with one unit
being inactive in parallel system
Parallel +1: Redundant operation with all units in
operation.
APM Test Mode Active YES, NO YES, if APM test mode is active
Battery Connection Common,
Separate
Common: if common battery is used in parallel system.
Separate: if separate battery is used