3.5 Wiring of control loop terminal
(1) Diagram of control loop terminal
Inverter Wiring 14
→Voltage/current input
V A
jumper terminal
TA TC X1 X2 X3 X4 OC CM 24V VS AI AO GND RS+ RS-
(2) Function description of control loop terminal
Type
Terminal
symbol
Terminal function
Remarks
VS
Power supply
24V
Externally providing +10V
(0~20mA) power supply
-
External providing +24V
(0~50mA) power supply
-
(CM terminal is the power grand).
AI
Analog input
Control
terminal
GND
X1
X2
X3
X4
Voltage signal input terminal
(when jumper terminal is
connected to V terminal)
Current signal input terminal
(when jumper terminal is connected
to A terminal)
Common port of analog input
signal (VS power grand)
Multifunctional input terminal 1
Multifunctional input terminal 2
Multifunctional input terminal 3
Multifunctional input terminal 4
0~10V
0~20mA
-
The specific function
of multifunctional
input terminal is to be
set by parameter
[F1.08] – [F1.11],
effective when the
terminal and CM end
is closed.
Analog output
AO
Programmable voltage signal
output terminal (external
voltage meter (set by [F1.05]
Voltage signal output
0-10V
OC
output
Programmable open-circuit
OC
collector output, set by
parameter [F1.13]
Maximum load current
150mA and maximum
withstanding voltage
24V.
Programmable
TA
output
TC
TA-TC normally open;
When TA-TC is closed, effective
when parameter [F1.14] selects
output.
Contact capacity:
AC 250V, 1A resistive
load
RS+
485 communication port
-
Communication
RS-
485 communication port
-
E550 Series Universal Low-Power Inverter