REXROTH RD 500 Series, Applications Manual

Page: 156 / 276

5-16
Inverter Technical Data RD 500 RD51
DOK-RD500*RD51*******-IB04-EN-P
Circuit Principle of Power Section, Inverter SFT Size Class G
ext. fuses
ground
+24 V
24 V-power supply
X2
V2 PE W2 U2
PE
X83
EW
SE
WS
24 V
inverter control
DC link
X155
WR
3
1 2
1 2 X80
starting lock-out
+24V
4 5
å
X1
C
D
DC-Link connection
L+ L-
PE
starting lock-out
X5
2U1
2V1
7 13
ext. fuses
BS510011EN00.FH9
PE
heat exchanger
PE
E1
X2.1
P1
V1
X2.2
M 3~
J
J
1)
N
X2 C
D
2 AC 230 V
EW Ground fault transducer
SE Current sensing
SNT* Switched-mode power supply
(not equipped at additional
function V1)
WS Inverter control
WR Inverter
T1 Control transformer
P1 pump of liquid circuit
Device-variant
X80 Inverter with Stating lock-out
P1): pump is not equipped at cooling type W
1): heat exchanger is not equipped at cooling type R and W
Fig.: 5-5 Circuit principle of power section, inverter SFT size class G