AC300 Series Vector Control Inverter Manual
Installation and Wiring
26
X2-PLC
Multi-function contact input 2
bipolar inputs.
1. Input impedance: 4.4 K
Ω
2. High-level input voltage range: 10 ~
30V
3. Low-level input voltage range: 0 ~ 8V
X3-PLC
Multi-function contact input 3
X4-PLC
Multi-function contact input 4
X5-PLC
Multi-function contact input 5
X5/PUL-PL
C
Multi-function contact input 5 / high
speed pulse input
In addition to the features of X1 ~ X4, X5
can also be used as a high-speed pulse
input channel
(separate model).
1. Optocoupler isolation, compatible with
bipolar input, maximum input frequency:
100KHZ
2. Input impedance: 1.5K
Ω
3. Pulse input level range: 10 ~ 30V
Analog
output
AO1-GND
Analog output 1
1. Output voltage range: DC 0V ~ 10V
2. Output current range: DC 0mA ~ 20mA
3. Pulse output range: 0 ~ 50kHz
Digital output
Y-COM
Digital output 1
Optocoupler isolation, open collector
output
1. Output voltage range: DC 0V ~ 30V
2. Output current range: DC 0mA ~ 50mA
Relay output
TA-TC
Normally open terminal
Contact drive capability:
240VAC, 3A
30VDC, 5A
TB-TC
Normally closed terminal
communicati
on
Terminal
A+
Communication terminal A+
RS485 communication interface.
Select the RS485 communication access
120ohm terminal resistance by the toggle
switch S4 (see Table 3-5 for details)
B-
Communication terminal B-
●
Control loop terminal wiring specification
Table 3-8: Control loop terminal wiring specification
Terminal
Bolt specification
(mm)
Fixed moment
(N·m)
Cable
specification
(mm2)
Cable type
A+ B-
M2.5
0.4~0.6
0.75
Twisted-pair
shielded cable
+10V GND A0 AI1 AI2
M2.5 0.4~0.6 0.75
Twisted-pair
shielded cable
+24V COM Y TA TB TC PLC
X1 X2 X3 X4 X5/PUL
M2.5 0.4~0.6 0.75
Shielded
cable
Braking unit (braking resistance) connection
●
Brake resistance wiring of machine with 22KW or less power:
AC300 Series Vector Control Inverter Manual
Installation and Wiring
27
Fig 3-9: AC300 series frequency inverter brake resistance wiring of machine with 22KW or less power
●
Brake resistance wiring of machine with 30KW or above
Fig 3-10: AC300 Series Frequency Inverter Brake resistance wiring of machine with 30KW or above
●
Suggested braking resistance specification parameters
Braking resistance value and power in the chart are decided according to common inertia load and intermittent
braking mode. While used in large inertia occasion or long time frequent brake occasion, please adjust resistance value
and power according to the inverter specification and the rated parameter of braking unit. If any problem, please consult
customer service department of Veichi Electric Com., Ltd.
Table 3-9: Suggested braking resistance specification parameters of AC300 series inverter
Three-phase 380V
Motor power(kW)
Resistance value(
Ω
)
Resistance power(W)
Braking torque
0.75 kW
750
Ω
150W
100%
1.5 kW
400
Ω
300W
100%
2.2 kW
250
Ω
400W
100%
4.0 kW
150
Ω
500W
100%
5.5 Kw
100
Ω
600W
100%
7.5 kW
75
Ω
780W
100%
11 kW
50
Ω
1,200W
100%
15 kW
40
Ω
1,500W
100%
18.5 kW
32
Ω
2,000W
100%