Displays And Operating Elements - Bosch rexroth VM350 Betriebsanleitung

30/48 Bosch Rexroth AG
Product description

Displays and operating elements

Temperature and voltage errors can only be reset
by switching the whole system off and on again,
or by pressing the Reset button on the front
panel.
NOTE
Pressing the reset button only resets the
VM350.
The following displays and operating elements are
integrated into the VM350 (Fig. 2):
Tab.3 Displays/diagnoses during operation
LED
Ready for operation
230 V mains voltage error
Intermediate circuit voltage
error
Temperature error
Internal voltage error
– VEE
– VDD
– VCC
External 24 V available (supply to
X1S1; short circuit at XDN2 (VEE)
is not displayed)
All LEDs except BTB LED and
"External 24 V available" LED
The connected mains voltage is measured when the VM350 is switched on, then the corresponding
a)
limits for overvoltage and undervoltage are automatically set.
Display/diagnosis
steady green when ready for operation
Off when not ready for operation
a) Red flashing if exceeded
Steady red if too low
Red flashing if limit value is infringed
Red flashing if exceeded
Red flashing if exceeded
Steady red if too low
Red flashing if exceeded
Steady red if too low
Red flashing if exceeded
Steady red if too low
Steady green if 24 V is within admissible range
Flashing green if voltage is too high
Off if voltage is too low
Flashing red if emergency OFF error
VM350 | 3609929B32/2021-09
LED Ready for operation
LED Mains voltage error
LED Intermediate circuit voltage error
LED Temperature error
INT
LED Internal voltage error
EXT
LED External 24 V available
Reset Reset button
Fig. 2: Displays and operating elements on the
VM350
During operation, the following displays/
diagnoses are output (Table 3):
Error range/limit
values
–
–
> 265 V
< 170 V
> 420 V
DC
T > T
heat sink admissible
> 30 V
DC
< 18 V
DC
> – 18 V
DC
< – 30 V
DC
> 5,4 V
DC
< 4,8 V
DC
–
> 27 V
DC
< 21 V
DC
–