STEP ET Series - Page 142

Chapter 7 Parameter Explanation
Shanghai Sigriner STEP Electric Co., Ltd.
- 132 -
Function code
Name
Setting range
Factory setting
P71.58
Fan control
0~4
0
0: Inverter runs and fan runs; inverter stops and fan stops with a delay of 1 minute;
1: Inverter runs and fan runs; inverter stops and fan stops with a delay of 5 minutes;
2: Inverter runs and fan runs; inverter stops and fan stops with a delay of 30 minutes;
3: Fan runs when the radiator temperature > 40 degrees; fan stops when the radiator temperature <
35 degrees after a delay of 1 second;
4: After the inverter is powered on, the fan is always running.
Function code
Name
Setting range
Factory setting
P71.61
Frequency decimal point digits
1~2
2
By this parameter, frequency accuracy can be selected, 1-digit decimal point can be selected for
high-speed motors.
Function code
Name
Setting range
Factory setting
P71.62
Function switch
0~65535
5
Special functions enabled, commonly used by debugging personnel.
Bit1: RS485 with RJ45 port virtual oscilloscope control function
Bit2: RS485 with RJ45 port virtual oscilloscope monitoring only function
Bit3: USB port virtual oscilloscope control function.
Bit4: USB port virtual oscilloscope monitoring only function.
Bit9: enabling the function of STO board base blocking (avoid misoperation without STO board)
Bit10: enabling the base blocking function of bit1 of Word0 in PN function.
Function code
Name
Setting range
Factory setting
P71.63
Enable phase-locked function
0~100
0
P71.64
System bypass angle error
(degree)
0.01~360.00
3.60
P71.65
System bypass voltage error (V)
1~100
5
When enabling the frequency conversion switching function, set P71.63, enable this function, and
detect phase lock status;
P71.64 sets the phase lock completion angle error value;
P71.65 sets the phase lock completion voltage error value.
Function code
Name
Setting range
Factory setting
P71.66
Fan control duty ratio (%)
0~65535
100
This parameter mainly applies to speed-regulating fans with power levels of 22 KW and above.
Function code
Name
Setting range
Factory setting