Power Switch On/Off Precautions - Bosch rexroth NYCe 4000 Hardware Manual

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NY4120 and NY4120/10: PWM Drive Module
8.5

Power switch on/off precautions

AC
power
Bosch Rexroth AG R911337671_Edition 18
LED indication
Green steady
Red flashing
Tab. 8-3: "DRV" status LED indications
Follow these instructions to prevent damage to the drive module. See also
chapter 16 "Drive power precautions for NY412x/NY4140" on page
● Do not plug the drive module into the backplane while the
24V System power supply is applied.
● Do not remove the drive module from the backplane while
the 24V System power supply is applied.
● Make sure that the 24V System power supply is applied
before the drive power supply is applied.
The preferred method to switch on and off the drive power is by means of the
mains switch as indicated by ① in
to a node" on page 62
DC
1
power
supply
Fig. 8-4: Schematic of drive power supply to a node
If you want to remove the drive module from the backplane, follow this
sequence.
1. Switch off the drive power supply to the system.
2. If an axis is configured on the drive module, wait until the "DRV" LED on
the drive module flashes red on and off.
If no axis is configured on the drive module, the "DRV" LED is
continuous green and you can proceed to the next action.
3. Switch off the 24V System power supply to the system.
4. Wait until the "DRV" LED on the drive module is off.
5. Remove the drive module.
NYCe 4000 Multi-axis motion control system Hardware Sys‐
Description
Drive module OK.
Drive module is OK, but an overvoltage condition or
over temperature condition is detected, or a configured
motor cannot run due to undervoltage or overcurrent.
● Overvoltage condition occurs at 80 V.
● Over temperature condition occurs at 105 °C.
● Undervoltage condition occurs at 12 V.
● Overcurrent condition occurs at 22 A.
fig. 8-4 "Schematic of drive power supply
to prevent destructive inrush currents.
fuse
NY4921
DP
x
tem Manual
213.
Node
C
in
drive