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V1
W1
U1
PE
U
V
W
T1
T2
B1
B2
U
V
W
1
2
~
~
Illustration 32: Cage Clamp and Connection to VLT® AutomationDrive FC 302
Table 20: Mechanical Brake Option Connections
Descrip-
tion
Cod-
ing
Pin Color
Typical cross-
section [mm
2
(AWG)]
Maximum
cross-section
[mm
2
(AWG)]
VLT® Automation-
Drive FC 302
VLT® Decentral
Drive FCD 302
External
DC sup-
ply
Brake sup-
ply
B1
1
Brown 0.75 (20)
2.5 (14)
Terminal 122 (MBR
+)
+
B2
2
Black
Terminal 122
(MBR–)
–
An example of how to connect the VLT® OneGearDrive® mechanical brake to the drive is shown in
L1 L2 L3
U V W
02
01
A1
A2
Frequency converter
Output
relay
Command circuit
Freewheeling
diode
Output
contactor
input
Brake supply voltage*
B2
B1
W
V
U
OneGearDrive with brake option
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Illustration 33: Example of Connecting the Mechanical Brake to the Drive
AQ347551551757en-000101 / 130R0239
38 | Danfoss A/S © 2020.12
Specifications
VLT® OneGearDrive®
Operating Guide
Содержание VLT OneGearDrive
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