Power Electronics SD700 Series, Руководство по применению, Страница: 22 / 63

SD700
POWER ELECTRONICS
20
DESCRIPTION OF PROGRAMMING PARAMETERS
3.4. Group 12 – G12: Auto Reset
Parameter
Name /
Description
Range Function
Set on
RUN
1 AUTO RESET=N
G12.1 / Auto
Reset
N
S
This function resets the drive automatically after a fault.
OPT. FUNCTION
N=NO Auto Reset is disabled.
Y=YES Auto Reset is enabled.
When this function is active, faults programmed in G12.5 to G12.8 will be
reset.
Caution: Auto Reset function can cause unexpected automatic
starts. Ensure the installation is configured for Auto Reset to prevent
damage to property or personnel.
YES
2 ATTEMP NUMBR=1
MAX ATTEMPT NUMB
G12.2 / Number of
Auto Reset
attempts 1 – 5
Allows setting of the maximum number of Auto Reset attempts. Drive will
try to reset as many times as the number of attempts set in this screen
after a fault occurs. This parameter and „G12.4 RS COUNT‟ control the
drive to carry out Auto Reset function in a controlled manner.
YES
3 R STR DEL=5s
TIME BEFORE RESET
G12.3 / Delay time
before Auto Reset
5 – 120s
Allows setting of the time elapsed from the fault occurring before
attempting auto reset.
YES
4 RS COUNT=15min
AUTORESET TIMOUT
G12.4 / Reset time
for the counter of
Auto Reset
attempts
1 – 60min
Allows setting of the time that once elapsed will reset the Auto Reset
attempt counter to zero.
Two situations are possible:
a) If the SD700 is successfully restarted and runs for a period exceeding
the value set in this screen then the attempt counter G12.2 will be reset to
zero.
b) If the total number of reset attempts is exceeded within this time period
the SD700 will fault on the last fault condition. The SD700 will remain in a
fault condition until the unit is manually reset.
YES
5 F1 AUTO RST=0
G12.5 / Selection
of fault 1 to be
reset
0 – 25
If Auto Reset selection is enabled, the SD700 will automatically resets the
faults selected as reseteable. The faults are setting individually. The
faults that affect to the pump macro are described below. For additional
information about all the reseteable faults, refer to „SW and Programming
Manual‟ of SD700.
OPT.
DESCRIPTION
FUNCTION
1 ALL THE FLTS All faults will be reset automatically.
17
65 LOW
PRESSURE
To reset fault F65, low pressure.
18
66 HI
PRESSURE
To reset fault F66, maximum
pressure.
19
67 LOW
WATER
Fault F67 is reset, low water.
23
68
CAVIT/UNDERL
To reset fault F68, cavitation /
underload trip.
24
69 FLOW
SWITCH
To reset fault F69, „No Flow‟ trip.
25
70
IRRIGATOR
F
To reset fault F70, irrigator trip.
Caution: When the fault selection for auto reset is undertaken the
user should pay special attention to option 1 „All the faults‟. In this case,
the protections of the drive and motor will be disabled. It is not
recommended to select this option since the drive could try to reset
internal trips causing serious damage to the drive.
YES
6 F2 AUTO RST=0
G12.6 / Selection
of fault 2 to be
reset 0 – 25 YES
7 F3 AUTO RST=0
G12.7 / Selection
of fault 3 to be
reset 0 – 25 YES
8 F4 AUTO RST=0
G12.8 / Selection
of fault 4 to be
reset 0 – 25 YES