Braking units with a common brake resistor, Electrical installation – Lenze EMB9352−C User Manual
Page 109
Electrical installation
Parallel connection
Braking units with a common brake resistor
l
109
EDBMB935X DE/EN/FR 13.0
7.7.2
Braking units with a common brake resistor
Maste
r
+UG -UG
E1
9352
Z1
E2
A1 A2
PE RB1 RB2
+UG
-UG
PE
F1-F2
Slave
RB1 RB2
E1
9352
Z2
E2
A1 A2
PE
+UG -UG
F3-F4
Z3
RB1 RB1 RB2 RB2
"
"
" "
X1
PE
"
"
"
"
"
"
"
"
£
1
m,
4
mm
2
£
1
m,
4
mm
2
£
2m
£
2m
£
1
m,
4
mm
2
£
1
m,
4
mm
2
0
0
1
JRB
9350br_013
Fig. 16
Parallel operation of 2 brake choppers on one brake resistor
Z1
Brake chopper 1 = master
Z2
Brake chopper 2 = slave
Z3
Brake resistor
F1 ... F4
DC−bus fuses
X1
Terminal strip
JRB
Thermal contact has to be integrated into the temperature monitoring
0
Length difference of the four cables:
£ 0.05 m
1
Cable length of braking unit − brake resistor:
£ 8 m