EM11 User’s Manual
3. Installation of Frequency Inverter
23
Diagram 3-5 The cover removal of plastic case
The EM11 series frequency inverter above 11kw (380V) uses metal case. The removal and mounting of
lower cover refers figure3-6. Using thumb to unscrew and push lower cover and raise the cover.
Diagram 3-6 EM11 series layout sketch
3.7 Connection Terminals Diagram Description
Diagram 3-7 EM11 Series terminal distribution diagram
Control Circuit
Terminals
Main Circuit
Terminals
Grounding
3. Installation of Frequency Inverter
EM11 User’s Manual
24
3.8 Sketch and Description of Main Circuit Terminals
3.8.1 Function and description of Main Circuit Terminals
3.8.1.1 Main Circuit Terminals Sketch of single-phase 220V model
Including model: Single-phase 220V: EM11-G1-d75
～
EM11-G1-2d2
Terminal symbol
Function description
P+
、
PB
Connecting terminals of braking resistor
P+
、
P-
Input terminals of DC power
/ E
Grounding terminal
L1
、
L2
Single-phase AC power input terminals
U/
T1
、
V/
T2
、
W/
T3
Three-phase AC power output terminals
3.8.1.2 Main Circuit Terminals Sketch of Three-phase 220V/380V Small Power Standard Models
Including model:
Three-phase 220V: EM11-G2-d75
～
EM11-G2-7d5
Three-phase 380V: EM11-G3-d75/P3-1d5
～
EM11-G3-015/P3-018
Terminal symbol
Function description
P+
、
PB
Connecting terminals of braking resistor
P+
、
P-
Input terminals of DC power
/ E
Grounding terminal
R/
L1
、
S/
L2
、
T/
L3
Three-phase AC power input terminals
U/
T1
、
V/
T2
、
W/
T3
Three-phase AC power output terminals
3.8.1.3 Main Circuit Terminals Sketch of Three-phase 220V/380V Middle and Big Power Standard
Models
Including model:
Three-phase 220V: EM11-G2-011
～
EM11-G2-075
Three-phase 380V: EM11-G3-018/P3-022
～
EM11-G3-400/P3-450
Terminal symbol
Function description
R/
L1
、
S/
L2
、
T/
L3
Three-phase AC power input terminals
P
、
P+
Connecting terminals of external DC reactor, Normally short circuited
with copper bar.
P+
、
P-
DC power input terminals; DC output terminals of external braking unit
U/T1
、
V/T2
、
W/T3 Three-phase AC power output terminals
/ E
Grounding terminal
