VB3/V5/VB5 series inverter
22
3. CN2 terminals’ function description are shown as below
：
Table
Table
Table
Table 2-4
2-4
2-4
2-4 CN2
CN2
CN2
CN2 terminals
terminals
terminals
terminals’’’’ function
function
function
function description
description
description
description
Type
Terminal
Name
Terminal Function Description
Specification
Communication
A
RS485
port
Positive
terminal
of
RS485
differential signal
standard RS485 port, please use
twisted cable or shielded cable
B
Negative
terminal
of
RS485
differential signal
Multifunction output
terminal
OC
Open collector
output terminal
1
Multi-function
digital
output
terminal, Refer to output terminals’
function
description
of
terminal
function parameters P4.10 for details.
(common terminals
：
COM)
optical coupling isolation output
voltage range:9~30V
max output current:50mA
usage please refer to P4.10
Pulse output terminal
DO
Open collector
pulse output
terminal
Multi-function digital output terminal,
Refer to output terminals’ function
description of terminal function
parameters P4.20, P4.21 for details
(common terminals
：
COM)
Output frequency range
：
Decided
by function code P4.21, highest
20KHz
Analog input
VI
Analog input
VI
analog voltage input
(reference ground
：
GND)
Input voltage range
：
0~10V (input
resistance
：
47KΩ)
accuracy
：
1/1000
CI
Analog input
CI
Analog
current/voltage
input,
voltage and current are selected by
jumper JP3 and the default is
current.
(reference ground
：
GND)
Input voltage range
：
0~10V (input
resistance
：
47KΩ)
Input current range
：
4~20mA (input
resistance
：
500Ω)
accuracy
：
1/1000
Analog output
AO
Analog output
AO
Analog voltage/current ouput
，
They are selected by jumper JP2
and the default is voltage which can
indicate 7 values. (reference
ground
：
GND)
Voltage output range
：
0~10V
Current output range
：
4~20mA
Running control
terminal
FWD
Forward
running
command
Forware/reverse digital command.
Refer to P4.08 for details
(instruction about 2-wire and 3-
wire control function).
Optical coupling isolation input
Input resistance: R=2KΩ
Highest input frequency:200Hz
Input voltage range: 9
～
30V
REV
Reverse
running
command
Multifunction input
terminal
X1
Multifunction
input 1
Multi-function digital input
terminals, refer to input terminals’
function description in terminals’
function parameters P4.
(common terminal
：
COM)
X2
Multifunction
input 2
X3
Multifunction
input 3
X4
Multifunction
input 4
X5
Multifunction
input 5
X6
Multifunction
input 6
Power supply
24V
+24V power
supply
Offer +24V power supply
(negative terminal
：
COM)
-
