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Electric Drives
and Controls
4–3
Bosch Rexroth AG
Servodyn-D
1070 066 032 / 03
VMA..KR, VMA..B,C,D,F warning displays
4.3
VMA..KR, VMA..B,C,D,F warning displays
Displays
flash
alternately
Warning
The drive can switch off without delay.
Action
Overload
Output limit of the VM reached during sup-
ply or regeneration:
D
P
max
> 140 %, or
D
P
N
> 100 %
In continuous operation: reduce load.
When regenerating:
select longer brak-
ing ramp by limiting braking current
(P-0-0027)
Overtemperature
Heat sink temperature > 75
_
C
D
Check air supply
D
Check fan
Overtemperature
Ambient temperature > 45
_
C
D
Check application conditions
D
Observe derating
Power failure, 1 phase
The VM maintains axis supply, although the
output is reduced to 66 %.
Overload may result if failure of one phase
is long-term.
D
Check fuses and line system
D
Check wiring
D
Replace power supply module NA
Power failure, 2 or 3 phase
U
system rms
<70 % for more than 3 ms.
The DC link can be temporarily supported
by the axes, which are informed of the
power failure via the module cross connec-
tion.
D
Check fuses and line system
D
Check wiring
D
Replace power supply module NA
Содержание Rexroth Servodyn-D Series
Страница 23: ...3 4 Electric Drives and Controls Bosch Rexroth AG Servodyn D 1070 066 032 03 Marks certifications Notes ...
Страница 65: ...5 10 Electric Drives and Controls Bosch Rexroth AG Servodyn D 1070 066 032 03 Connection overview Notes ...
Страница 71: ...6 6 Electric Drives and Controls Bosch Rexroth AG Servodyn D 1070 066 032 03 Replacing components Notes ...