4 central supply, 1 central supply of 820x, Central supply – Lenze 8200 Frequency inverters User Manual
Page 257: Central supply of 820x, Network of several drives, Stop
Network of several drives
8200SHB0199
10-14
10.4
Central supply
The DC-bus is supplied via a central supply source. Supply sources are:
-
DC source - 820X.
-
Supply and feedback module - 821X/822X/824X/93XX.
-
Controller with reserve power.
10.4.1
Central supply of 820X
820X
U
V W
PE
L1
N -UG +UG
820X
U
V W
PE
L1
N -UG +UG
Z3
F5
-UG +UG
820xAB
+UG
-UG
F5
820xAB
PE
PE
F4
F4
FIG 10-2
Block diagram: Central supply of several 820X controllers connected to a network
F4, F5
Fuses, DC level, see Accessories
Z3
Brake chopper/brake module, see Accessories
820XAB
Current-limitation module, see Accessories
Stop!
For faultless network operation, the following conditions must be fulfilled in addition
to the conditions described in chapter 10.2:
-
The voltage flow +U
G
PE / -U
G
PE must be symmetrical!
- The controller will be destroyed, if +U
G
or -U
G
are grounded.
-
Use the current limitation module 820XAB.
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