User Manual
EM303B General Purpose Inverter
32
3.3.2
Function and Wiring of Control Circuit Terminals
Function of control circuit terminals as shown in Table 3-4
Table 3-4 Function of Control Circuit Terminals
Mode
Terminal
Terminal Name
Terminal Function
Analog
Input
VS
VS Analog voltage
input
0/2~10V(It can be set as numeric input
terminal)
VF
VF Analog voltage
input
0/2~10V(It can be set as numeric input
terminal)
IS
IS Analog current
input
0/4~20mA(It can be set as numeric input
terminal)
IF
IF Analog current
input
0/4~20mA(It can be set as numeric input
terminal)
Numeric
Input
X1-RUN
Multi-function input
terminal
Program the relevant terminals by setting
F2-00
~
F2-06 to control the input of
setting function(Common Terminal: PLC)
X2- F/R
X3~ X7
COM
Multi-function input
common terminal
Switching value input/output signal
common terminal(Ground of 24V power
supply)
PLC
Multi-function input
common terminal
Common terminal for external connection
with 24V
The default is to connect with 24V supply
Relay
Output
EA
Relay output terminal
EA-EC:NO
EB-EC:NC
EB
EC
Multi-functi
on Output
Y1
OC output terminal 1 Programmable multi-function output
terminals as shown in F2-12, F2-13.
Y2
OC output terminal 2
Analog
Output
M0
Analog output
terminal 0
Analog output 0~10V or 0~20mA can be
defined by setting of F2-16, F2-17 or
F2-19, F2-20.
M1
Analog output
terminal 1
Auxiliary
Power
Supply
10V
Analog terminal
power supply
+10V/20mA
GND
Common terminal of
analog quantity
Common terminal of analog input and
output signals(Ground of 10V power
supply)
24V
Auxiliary power
)
Output of DC24V/150mA between it and
COM
COM
Switching value
common terminal
Common terminal of switching value
input/output signal (Ground of 24V power
supply)
Communica
-tion
A+
RS485
communications
terminal
RS485 Communications input(+)
A-
RS485 Communications input(-)
Shield
PE
Shield ground
For shield terminal cable grounding