Monitoring functions
Instruction handbook b maXX BM5500, BM5600, BM5700
Document No.: 5.13008.10 Baumüller Nürnberg GmbH
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10.2
Signal bus - Supply not ready for use
This signal indicates also the state of the supply. It is required if axes units will be oper-
ated in a DC link network with several BM5500, BM5600 und BM5700 .
In this case it can only be evaluated by the „Supply ready for use“ signals whether at
least one supplying device is ready, because the signal is a disjunction of the states of all
supplying devices. It can not be recognized whether all supplying devices are ready.
In order to recognize that at least one supply unit is in state not ready for use, the signal
Supply not ready for use is generated. The evaluation of this signal can be disabled for
special applications.
Signal bus - Phase failure
BM5500, BM5600 und BM5700 generate this signal if a phase failure is recognized.
The axes can operate at phase failure only at the mains rectifier unit and at BM5500,
BM5600 und BM5700. Several options are selectable for further operations, refer to pa-
rameter 130.10 Mode.
Signal bus - brake resistor on
This signal activates the brake resistors of several supplying devices simultaneously.
Both mains rectifier unit and BM5500, BM5600 und BM5700 provide a brake resistor
connection and an own monitoring of the DC link voltage. If the DC link voltage exceeds
a fixed threshold, the brake resistor is switched on.
The axis units monitor also the DC link voltage and can be configured to generate the
Brake resistor on signal. If this signal is set, the brake resistor is switched on at the
mains rectifier unit and/or at the BM5500, BM5600 und BM5700.
This signal is not evaluated at the active mains rectifier unit.
Signal bus - error
The axis units and the mono units can be configured to set the Error signal on the signal
bus as soon as the device is no longer in state ready for use.
Furthermore each axis unit or each mono unit can be configured to generate an error
message when detecting an Error signal. A simple error reaction for all axes is possible,
using this function.
This signal is neither evaluated nor set at the active mains rectifier unit and at the mains
rectifier unit.
Signal bus - Signal bus warning
Connected devices can exchange warning states among each other with this signal. The
signal is evaluated or set only at axis units and mono units. It is neither evaluated nor set
at the active mains rectifier unit and at the mains rectifier unit.
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