E5
−
H High Performance Universal Inverter User Manual
Chapter 3 Wiring of Inverter
21
3.8 Functions of Control Circuit Terminals
Type
Terminal
symbol
Terminal function
description
Technical specification
Rate: 38400bps
Up to 32 sets of equipment can be paralleled*. Relay
shall be used if the number exceeds 32.
Operation
panel RS485
CN7
RS485 port of operation panel
The maximum distance is 15m for the communication
connection of operation panel
(adopt standard twisted non
−
shielded network cable)
+24V +24V
24V±10%, internal isolated with GND
Maximum load: 200mA, with overload and short circuit
protection
PLC
Common end of
multi
−
functional input terminal Short circuited with +24V upon delivery
X1~X4
Multi
−
functional input
terminals 1 ~ 4
Input specification: 24VDC,5mA
Frequency range: 0~200Hz
Voltage range: 24V±20%
Digital input
COM +24V
grounding
Internal isolated with GND
Y1
Open collector output
Voltage range: 24V±20%, maximum input current: 50mA
Digital output
COM
Open collector output
common end
Internal isolated with GND
+10V
Analog input reference
voltage
10V ±3%, internal isolated with COM
Maximum output current: 10mA, with short circuit and
overload protection
AI1
Analog input channel 1
0~20mA: Input impedance 500
Ω
, maximum input
current: 30mA
0~10V: Input impedance 20k
Ω
, maximum input
voltage : 15V
Resolution: 12 bits (0.025%)
0~20mA or 0~10V analog input can be selected
through jumper
AI2
Analog input channel 2
Same as AI1
Analog input
GND Analog
grounding
Internal isolated with COM
AO1 Analog
output
1
0~20mA: allowable output impedance 200~500
Ω
0~10V: allowable output impedance
≥
10k
Ω
Output precision: 2%, resolution: 10 bits (0.1%)
with short circuit protection function
0~20mA or 0~10V analog output can be selected
through jumper
AO2 Analog
output
2
Same as AO1
Analog
output
GND Analog
grounding
Internal isolated with COM
Relay output
RA/RB/RC
Relay output
RA
−
RB: Normally closed
RA
−
RC: Normally open
Contact capacity: 250VAC/1A, 30VDC/1A
Note:
*: If you use computer to control the inverter, you can control 32 piece paralleled inverters, but you can’t
use one operation panel of the inverter to control 32 piece paralleled inverters.
﹡
If the user connects adjustable potentiometer b10V and GND, the resistance of the
potentiometer shall be no less than 5k
Ω
,