Danfoss vlt soft starter mcd 500 - Page 52

177HA527.1
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
K10
K11
K10
K11
K3
K10
K2K11
K1
K2
K3
K1
K3
K1
K3
K2
S1
K2
K1
K10
F1
17
18
25
11
16
15
3
6
7
5
4
2
1
1 Control voltage 6 Remote low-speed start input K2 Line contactor (low speed)
2 Remote control inputs 7 Remote high-speed start input K3 Star contactor (high speed)
3 Relay outputs K10 Remote start relay (low speed) S1 Reset contact
4 3-phase supply K11 Remote start relay (high speed) 21, 22,
24
Relay output B
5 Motor terminals K1 Line contactor (high speed)
Illustration 5.16 Two-speed Motor Conguration
NOTICE
Contactors K2 and K3 must be mechanically interlocked.
Parameter settings:
•
Parameter 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 to 2-9.
- Set low-speed performance characteristics using parameters 7-1 to 7-16.
•
Parameter 4-4 Relay B Function.
- Select Trip - assigns trip function to relay output B.
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.
Product Features
VLT
®
Soft Starter MCD 500
50 Danfoss A/S © 05/2016 All rights reserved. MG17K602
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