1
7
7
H
A
5
2
7
.1
0
2/T1
4/T2
6/T3
E
T4
T5
T6
T1
T2
T3
A6
A4
A5
1/L1
3/L2
5/L3
24
22
21
KA1
KA2
KA1
KA2
KM3
KA1
KM2
KA2
KM1
KM2
KM3
KM1
KM3
KM1
KM3
KM2
S1
KM2
KM1
KA1
F1
17
18
25
11
16
15
3
6
7
5
4
2
1
Illustration 5.16
1
Control voltage
6
Remote low-speed start input
KM2
Line contactor (low speed)
2
Remote control
inputs
7
Remote high-speed start input
KM3
Star contactor (high speed)
3
Relay outputs
KA1
Remote start relay (low speed)
S1
Reset contact
4
3-phase supply
KA2
Remote start relay (high speed) 21,
22, 24
Relay output B
5
Motor terminals
KM1
Line contactor (high speed)
Table 5.17
NOTE
Contactors KM2 and KM3 must be mechanically interlocked.
Parameter settings:
•
3-3 Input A Function
•
Select Motor Set Select - assigns Input A for Motor set selection
•
Set high speed performance characteristics using parameters 1-1 - 2-9
•
Set low speed performance characteristics using parameters 7-1 - 7-16.
•
4-4 Relay B Function
•
Select Trip - assigns Trip function to Relay Output B
Application Examples
MCD 500 Operating Instruction
MG17K402 - VLT
®
is a registered Danfoss trademark
45
5
5