Lenze E82EV752K4C - Central Supply (One Supply Terminal); Central Supply Via External DC Source

Central supply (one supply terminal)
Central supply via external DC source
12
Network of several drives
12.6
12.6.1
L
12.6-1
EDS82EV903-1.0-11/2002
12.6 Central supply (one supply terminal)
The controller DC bus is supplied through one central supply terminal via +U
DC
,
-U
DC
.
Network Possible supply sources
230 V controller One DC source
400 V controller • One DC source
• One regenerative power supply unit
• One controller with reserve power
12.6.1 Central supply via external DC source
A 1
U
V
W
- U G + U G
A 2
U
V
W
- U G
+ U G
F 5
+
-
F 5
P E
F 4
F 4
P E L 2L 1 L 3 P E L 2L 1 L 3
Fig. 12.6-1 Network of 230 V controllers with central supply via external DC source
A1, A2 230 V controller of 8200 vector series
F4, F5 DC fuses (¶ 12.4-6)
(
((
( Stop!
The following conditions must be met to ensure troublefree
operation:
l General measures (¶ 12.4-1)
l The voltage flow +U
DC
→
PE / -U
DC
→
PE must be
symmetrical:
The controller will be destroyed, if +U
DC
or -U
DC
are earthed.
Block diagram
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