Me cha nic al di men sio n of AC d riv e
EC 600 0
Ma in Ci rcu it Co nne cti on Fu nct ion s
EC 600 0
220kW
315kW
750
850
230
275
1170
1280
1128
1236
414
464
400
450
φ18
φ20
250kW
280kW
350kW
400kW
B
Structure
5.Main Circuit Connection Functions
Terminal
Function Description
Input end of commercial power supply
AC driver output connected with 3-phase induction motor.
≤37kW with braking unit which is connected to terminal
, PR.To improve the brake moment of force, an external
braking resistor is needed.
R/L1 S/L2 T/L3
U/T1 V/T2 W/T3
Main circuit power
supply input
AC drive
output terminal
External braking
resistorconnection
Type
1: Machinery≥45kW without built-in braking unit component.
To improve braking power, external braking unit and braking
resistor is necessary (both are optional).
2: DC input terminal;
Braking unit
or Dc Input
connection
+
2/
-
For safety and small noise, AC drive’s ground terminal EG
should be well grounded.
Grounding terminal
PR
+
2
Connect DC reactor to improve the power factor, reduce the
DC bus AC pulse.
DC reactor
connection
+
1
+
2
+
2
++
+
- 8 -
- 9 -
22 0V Cl ass
0.4kW
7.5kW
18.5kW
Power
（kW)
15kW
W
(m m )
105
126
153
180
W1
94
110
137
120
423
H
160
260
341
H1
150
246
327
420
D
137
183
204
204
129
D1
174
194
194
Installation
Hole
φ4.5
φ6
φ7
φ9
30kW
191 120 471
450 242 232
φ9
0.75kW
1.5kW
2.2kW
4.0kW
5.5kW
11kW
22kW
Structure
A
Structure
38 0V Cl ass
A
Str u ctur e
B
Str u ctur e
0.75kW
105
94
160
150 137 129
φ4.5
1.5kW
2.2kW
4.0kW
7.5kW
18.5kW
15kW
126
153
180
110
137
120
423
260
341
246
327
420
183
204
204
174
194
194
φ6
φ7
φ9
30kW
5.5kW
11kW
22kW
45kW
75kW
300
350
220
270
541
730
516
705
314
354
300
340
φ11
φ11
37kW
55kW
90kW
110kW
191 120 471
450 242 232
φ9
132kW
160kW
500
650
180
210
780
1060
755
1024
354
414
340
400
φ11
φ16
200kW
105
94
216
206 157 149
φ4.5
Power
（kW)
W
(m m )
W1 H
H1
D
D1
Installation
Hole
Structure
105
94
216
206 157 149
φ4.5
450kW
1043 250
1426 1382
464
450
φ20
500kW
560kW
6. AC drive control terminal connections
Type
Power
supply
Terminal
Function Description
Provide +10V power supply for external unit, maximum output
current: 10mA
Generally, it provides power supply to external potentiometer
with resistance range of 1kΩ.～5kΩ.
Provide +24V power supply to external unit, generally, it
provides power supply to S/Y terminals and external sensors.
Maximum output current: 200mA
Connect to +24V by default when S1～S8 need to be driven by
external signal, PLC needs to be connected to external power
supply and be disconnected from +24V power supply terminal.
10V-GND
24V-COM
PLC
Name
External+10V
power supply
External+24V
power supply
Input terminal
of external
power supply
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