Bosch 4306 Service Manual Page 33

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33
• DOK-POWER*-KDV*2.3****-ANW1-EN-E1,44 • 06.97
4. Control circuits
Figure 4.5: Control circuits for KDV 2.3 without dynamic braking
Q10
F1
L1
L2
L3
K3
K1
K1
1
2
L1
L2
L3
L1
L3
L-
L-
L-
L+ L+
L+
Bb Bb
K4
Y1
4
KDV/Bb1
K3
3
+24V
+/- 10%
NC
K1
RF
756
K4
Bb
control
voltage
supply
Leistungsteil
Supply module
KDV 2
additional
drive
module
drive module
S1
E-Stop
RF
drive
module
S2
end
position
S5
ON
S4
OFF
Q10 = mains disconnect
RF = drive enable signal from controller
S1 = E-Stop
S2 = axis limit switch
S4 = power OFF
S5 = power ON
T1 = power transformer
Y1 = Take delay time of electrically released holding brake
of feed axes into account! Do not apply velocity
command until 100 ms after RF-ON!
0V
SKDV23/2
UU
U
Control circuit: • without dynamic brake
• controlled braking by the drive electronics in an E-stop
T1
F2
X10/6
X10/7
K4
U
K4
K10
T1
a
b
1) Only for feed drive holding brakes which are not controlled by the drive module.
1)
K1
power section
Bb1 = supply module ready (drive system)
Bb = drive ready contact of drive module
F1 = fuse for input power
F2 = electronics and blower fuses
K1 = mains contactor
K3 = decoupling Bb1
K4 = holding brake control
K10 = decouple thermal contact for power transformer
NC = error signal from the control
K10
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