Chapter 1 Introduction 17
NetSure 801 Series Power Supply System User Manual
Name
Function
Cabinet
A6V6FA1 AC
sampling board
Sample the phase voltage of both mains inputs and the phase-B
current of the running mains input
AC cabinet, AC/DC cabinet
HDU1U11
monitoring board
Measure the AC input voltage, main switch state, output MCB state,
surge protection device (SPD) state; control the position of the main
switch, generator start signal output; annunicate audible and visual
alarms when the AC cabinet malfunctions, and simultaneously transmit
relevant information to the display of the AC cabinet and the controller
PD380/400AFH & PD380/630AFH AC
cabinet, DC cabinet, AC/DC cabinet
A1V8FA1 AC
sampling board
Sample the phase voltage of one main inputs or the phase-B current of
the running mains input
PD380/400AFH AC cabinet
Buzzer
It does not beep when the AC cabinet is in normal operation, and
beeps when the AC cabinet malfunctions
PD380/400AFH & PD380/630AFH AC
cabinet, DC cabinet, AC/DC cabinet
Buzzer control
switch
K1 can be placed in 2 positions: fault alarm and alarm silencing;
K2 can be placed in 2 positions: buzzer ON, and buzzer OFF.
Normally, K1 is placed in the “fault alarm” position,and K2 in “buzzer
ON” position.
When AC cabinet fault occurs, the buzzer will beep; if alarm silencing
is needed, place K1 in the “alarm silencing” position; when the fault is
removed, the buzzer will beep again, then place K1 to the “fault alarm”
position, the buzzer will stop beeping.
K2 is buzzer switch: when K2 is placed to the “buzzer ON” position,
the buzzer beeping is subject to the control of the monitoring board;
when placed to the “buzzer OFF” position, the buzzer will not beep,
and is not controlled by the monitoring board
PD380/400AFH & PD380/630AFH AC
cabinet, DC cabinet, AC/DC cabinet
Class-C SPD
Discharge lightning strike current. The SPD indicator is green when
the SPD operates normally, and turns red when it malfunctions. In this
case, it must be replaced
AC cabinet, AC/DC cabinet
SPD MCB
It is used to protect SPD, and is closed when the SPD operates
normally. When it trips, the SPD should be checked for damage. It is
damaged, it must be replaced immediately, and the MCB should be
closed; if the SPD is not damaged, close the MCB timely
PD380/400AFH & PD380/630AFH AC
cabinet, AC/DC cabinet
Knife- blade
switch or air
breaker
It is used to control the switchover between the 2 mains inputs. This
switch can be placed in 2 positions: “I” and “II”, respectively
representing mains input 1 and mains input 2
AC cabinet, AC/DC cabinet
ATS
It is used to control the switchover automatic between the 2 mains
inputs. T
his switch can be placed in 2 positions: “I” and “II”,
respectively representing mains input 1 and mains input 2
PD380/630AFH AC cabinet
Output MCB
Configured according to custermer requirement
AC cabinet, AC/DC cabinet
Output fuse
Configured according to custermer requirement
DC cabinet, AC/DC cabinet