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DC bus
voltage < 50V
Mains monitoring
DC bus
voltage ≥ 270V
regenerated
P > 80%
power
too high
P >100%
T emperature
monitoring TVD 1.3
+24VL, ±15VM
DC bus cannot
be loaded
Overcurrent in TVD 1.3
overvoltage fuse
(RESET not possible)
DC bus
voltage ≤ 440V
• DOK-POWER*-TVD*1.3****-ANW1-EN-E1,44 • 02.97
5. Terminal Descriptions
mains voltage OK
&
UD
power OK
open with
fault
BVW
open with
fault
S Q
R Q
TVW
open with
fault
S Q
30 sec.
R Q
overcurrent
S Q
R Q
Fig. 5.2:
Monitoring and diagnostics systems of the TVD 1.3
NCB bridge
R Q
S Q
&
BLEEDER
overload
KK overtemperature
+24V ±15V
&
drive ready
for power
overvoltage
suppressor
1
Command value to
zero
of the drives with
a power failure
X1.1
≥1
Release of
mains
contactor
in TVD
Bb1
&
open with
fault
X1.2
Bb1 closed
X1.15
release spindle
drive
TVD/Übwach
47
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