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euronormdrives.com
94
95
NEURN030000_220_A
NEURN030000_220_A
V-11 Air compressor constant pressure control (Sensor for two-wire pressure transmitter)
V-11-1 Electrical diagram:
+
-
P
380V 50/60Hz
Three phase input power supply
Circuit breaker
Motor
M
%
FWD/STOP
REV/STOP
Constant pressure control of air compressor
Two wire pressure sensor
4
～
20mA feedback
Air compressor
V-11-2 Connection:
Short circuit between COM and GND;+ 24V, AI1 indirect pressure sensor feedback 4 ~ 20mA current signal;DI1,
COM indirect “forward / stop” signal, DI2, COM connected to “fault reset” signal;AI1 jumper cap shorted to I end.
V-11-3 Parameter setting
No.
Code
Parameter name
Setting range
F0.03
Frequency source master setting
PID control setting
8
F0.11
Command source selection
Terminal block control (LED on)
1
F0.13
Acceleration time 1
0.0s~6500s
50.0s
F0.14
Deceleration time 1
0.0s~6500s
50.0s
F0.18
Carrier Frequency
0.5kHz~16.0 kHz
4.0 kHz
F0.21
Upper limit frequency
0.00~maximum frequency (F0.19)
48.00Hz
F0.23
Upper limit frequency offset
0.00~Upper limit Frequency (F0.21)
25.00Hz
F1.00
DI1 terminal function selection
Forward run (FWD)
1
F1.01
DI2 terminal function selection
Fault reset
9
F1.12
Minimum input for AIC1
0.5V corresponds to 1mA
2.00V
F3.07
Stop mode
Free stop
1
E2.01
PID keyboard reference
0.0%-100.0%
Set the desired pressure value
percentage based on the pressure
value actually required
E2.29
PID automatic deceleration frequency option
Valid
1
E2.27
Computing status after PID stop
PID stop with computing
1
