Connection Diagrams - Omron VARISPEED E7 User Manual

Connection Diagrams

The connection diagrams of the Inverters are shown in
When using the Digital Operator, the motor can be operated by wiring only the main circuits.
L1
3-phase power
L2
supply
380 to 480 V
L3
50/60 Hz
PE
Multi-function
digital inputs
[Factory settings]
Fig 2.1 Connection Diagram of IP20 Inverters (Model CIMR-E7Z47P51 Shown Above)
2-2
Short-circuit bar
Main
contactor
Fuse
Line
Filter
Forward Run/Stop
Reverse Run/Stop
External fault
Fault reset
Multi-step speed setting 1
Multi-step speed setting 2
Jog frequency selection
Adjustment
Ω
2k
3
0 to 10V
2k Ω
2
1
4 to 20mA
P P
Input Option Cards
MEMOBUS
communication
RS-485/422
Fig 2.1 and Fig 2.2
DC reactor to improve input
power factor (optional)
U X
1 2
Varispeed E7
R/L1
CIMR-
S/L2
E7Z47P51
T/L3
S1
S2
S3
S4
S5
S6
S7
SN
SC
SP
24V
E(G)
Shield Shield
terminal terminal
Analog input power supply
+V
+15 V, 20 mA
Analog input 1: Master
A1
frequency reference
Ω
0 to 10 V (20 k )
Multi-function analog input 1:
A2
[Default: Frequency Bias
Ω
4 to 20 mA (250 )]
AC
0V
-V
Analog input power supply
-15 V, 20 mA
Terminating
resistance
R+
P
R-
S+
P
S-
IG
Twisted-pair
Shielded wires P
shielded wires
1
Motor
U/T1
M
V/T2
W/T3
2
MA
Fault contact output
MB
250 VAC, 1 A max.
30 VDC, 1 A max.
MC
M1
Contact output 1
M2
[Default: During run]
Multi-function digital
M3 output
Contact output 2
250 VAC, 1 A max.
M4
[Default: Zero speed]
30 VDC, 1 A max.
E(G)
3
Adjustment,
Ω
20 k
Multi-function analog output 1
-
+
(0 to 10 V, 2 mA)
FM
FM
[Default: Output frequency , 0 to 10 V]
Adjustment,
20 k Ω
Multi-function analog output 2
-
+
AM
(0 to 10 V, 2 mA)
AM
[Default: Output power, 0 to 10 V]
AC