Bosch Rexroth REFUspeed RS51 Operating Instructions Manual page 26

3-6
Description
B F F
Internal
brake resistor
Inverter control
Start inhibit
+24 V
1 2
1 2
+24 V Ground
Electronics
Standby
Supply
Circuit principle
Electronics section
LSA Control S.L. www.lsa-control.com comercial@lsa-control.com (+34) 960 62 43 01
Line supply connection
Ext. line contactor
Ext. fuses
C
D U1 V1 W1
U2 V2 W2 PE
3 4
Fig. 3-4: Circuit principle, power section GK L and M
3 phases
L1 L2 L2 PE
PE
X161
DC link
X155
J
REFUspeed RS51
EW Ground fault PT
Gl Rectifier
K1 Main contactor
K2 Pre-charging relay
NF Line filter
SE Current sensing
SNT Switched-mode power
supply
VL Pre-charging
WS Inverter control
WR Inverter
SF Sinusoidal filter
X80 Start inhibit
BC Braking chopper
BW Brake resistor
Supplementary function
X83 Electronic standby
supply
When using an external brake
resistor, the jumper between
X1 B nad X1 F must be
removed.
DOK-RD500*-RS51*******-IB02-EN-P