Bb
Readiness for operation of drive controllers (control section X31.1 and
X31.2)
Bb1
Readiness for operation of supply unit
CNC
Lag error message of control unit
d5
Internal relay in supply unit
F1
Fuse of power supply
F2
Fuse of synchronization connection X14
F3
Fuse of 24V power supply unit
F4
Fuse 2 A
HAB01
External blower unit
HLB01.1D
DC bus resistor unit
K1
External mains contactor
K4
Control of drive enable
L, N
AC supply mains contactor
S1
Emergency stop
S2
Axis end position
S4
Power Off
S5
Power On
S11, S12
Safety door monitor
X1
Module bus
ZKS
DC bus short circuit
t
d_on
Switch-on delay DC bus short circuit
t
d
Delay in HMV
Fig.9-11:
Control Circuit HMV and HLB With DC Bus Short Circuit (ZKS) in the
Case of Disturbed Electronic System of Drive for HMV01.1R-W0120
Supply Units With External Mains Contactor and HLB01.1D
Observe Off delay and pick-up delay of K1!
Off delay K1:
Select K1 mains contactors with an Off delay shorter than the On
delay t
d_on
of the DC bus short circuit device. Otherwise, the DC
bus short circuit device switches on with applied mains voltage
and causes tripped fuse (F1) or damage to the supply unit.
Circuits for overvoltage protection increase the Off delay. Ob‐
serve the data of the selected mains contactor!
Pick-up delay K1:
Select K1 mains contactors with a pick-up delay of less than
100 ms. Otherwise, the error message F2835 will be generated.
9.4.4
Deceleration in the Case of Emergency Stop or Mains Failure
General Information
In the case of emergency stop or mains failures, the drives normally are shut‐
down by drive control.
In the case of emergency stop or when the drive-internal monitors trigger, the
drive control inputs the command value "zero". The drives are thereby decel‐
erating in a controlled way with maximum torque.
In some applications (e.g. electronically coupled gear cutting machines) it is
required that the drive shutdown is controlled by the control unit in the case of
emergency stop or mains failures. In the case of emergency stop or when the
drive-internal monitors trigger, the control unit decelerates the drives in a po‐
sition-controlled way. In such applications, the DC bus short circuit must not
be activated.
For further details, see the Functional Description of the firmware under the
index entry "Best possible deceleration".
Bosch Rexroth AG
DOK-INDRV*-SYSTEM*****-PR06-EN-P
Rexroth IndraDrive Drive Systems with HMV01/02 HMS01/02, HMD01, HCS02/03
166/309
Circuits for the Mains Connection
