Danfoss vlt soft starter mcd 500 Operating Manual page 52

Product Features
5 5
1 Control voltage
2 Remote control inputs
3 Relay outputs
4 3-phase supply
5 Motor terminals
Illustration 5.16 Two-speed Motor Configuration
NOTICE
Contactors K2 and K3 must be mechanically interlocked.
Parameter settings:
•
Parameter 3-3 Input A Function.
-
-
-
•
Parameter 4-4 Relay B Function.
-
NOTICE
If the soft starter trips on supply frequency (parameter 16-5 Frequency) when the high-speed signal (7) is removed,
modify the settings of parameters 2-9 to 2-10.
50
®
VLT
F1
1/L1
4
3/L2
5/L3
A4
A5
A6
11
K10
16
15
K1
K2
17
18
S1 25
6 Remote low-speed start input
7 Remote high-speed start input
K10 Remote start relay (low speed)
K11 Remote start relay (high speed)
K1 Line contactor (high speed)
Select Motor Set Select - assigns input A for motor set selection.
Set high-speed performance characteristics using parameters 1-1 to 2-9.
Set low-speed performance characteristics using parameters 7-1 to 7-16.
Select Trip - assigns trip function to relay output B.
Danfoss A/S © 05/2016 All rights reserved.
Soft Starter MCD 500
K3
K2
2/T1
4/T2
6/T3
K1
E
1
K11 K2
21
24
3
K10 K3
22
2
6
7
K2
K3
S1
21, 22,
24
T4
T5
T6
5
T1
T2
T3
K3 K1
K3
K1
K2
K11
K10
K10
K11
Line contactor (low speed)
Star contactor (high speed)
Reset contact
Relay output B
MG17K602