Delta VFD-EL-W Series - Over-Current (oc) Troubleshooting

Chapter 4 Parameters｜VFD-EL-W
155
Pr.
Function
Setting Range
Default
User's
Master
User’s
Slave
Note

02.01
Operation
Command Source
0: Digital keypad
1: External terminals, STOP key
is valid
2: External terminals, STOP key
is invalid
3: RS-485 communication, STOP
key is valid
4: RS-485 communication, STOP
key is invalid
0
0
0
Adjust the parameter
according to customer’s
applications
10.35
Multi-Pump
Operation Mode
0: Disable
1: Fixed time circulation
(alternative operation)
2: Fixed quantity control (multi-
pump operating at constant
pressure)
0
2
2
10.36
Multi-Pump ID
0: Disable multi-pump function
1: Master
2–4: Slave
0
1
2
10.37
Multi-Pump Fixed
Time Circulation
Period
1–65535 min.
60
1
1
10.42
Pump’s Frequency
at Time-Out
(Disconnection)
0.0–Fmax
0.00
60
60
10.43
Pump Fault
Treatment
bit 0: When the
operating pump is
failed, whether it
switches to an
alternative pump or
not
0: Stop all pump action
1: Switch to an alternative pump
1
1
1
000 = 0
001 = 1
010 = 2
011 = 3
100 = 4 (bit2: 1, bit1:
0, bit0: 0)
101 = 5
110 = 6
111 = 7
(bit 2 <-- bit 1 <-- bit 0)
bit 1: During the
operation, stop or
standby after
resetting from error
0: Standby after resetting
1: Stop after resetting
bit2 Whether the
system can run or
not when the pump
has an error
0: The system cannot activate
1: The system selects another
pump to operate
10.44
Pump Start-Up
Sequence
Selection
0: By pump ID
1: According to the operating time
0
1
1
Adjust the parameter
according to customer’s
applications
10.45
Pump Alternative
Operation Time
Setting
0.0–360.0 sec.
60.0
60.0
60.0
Adjust the parameter
according to customer’s
applications
10.00
PID Set Point
Selection
0: PID function disabled
1: Digital keypad
2: Reserved
3: Reserved
4: PID reference target value
(Pr.10.11)
0
1
1
Adjust the parameter
according to customer’s
applications
10.01
Input Terminal for
PID Feedback
0: Positive PID feedback from
external terminal AVI (0–10
V
DC
)
1: Negative PID feedback from
external terminal AVI (0–10
V
DC
)
2: Positive PID feedback from
external terminal ACI (4–20
mA)
3: Negative PID feedback from
external terminal ACI (4–20
0
3
3