SfeFault Safety Fault A safety-based hardware
fault detected.
Please note down the information regarding
the occurence of the error and reach
Synapticon technical support for further
investigation.
BiSS Sensor Faults
BisErBit BiSS Error Bit
active.
One of the bits in the BiSS
frame is used to signal
error. This bit is set by the
encoder and read by the
drive according to user-
defined parameter (Status
bits active value).
This fault indicate that the
drive receives the error bit
being active.
Please check the 2 cases often seen:
1. Misconfiguration of Status bits active
value. The status bits (error bit and warning
bit) are by default read as active low, i.e. the
error bit being 0 indicates the error being
active. Please check the documentation of
the encoder and correctly configure the
reading.
2. The encoder is indeed rasing an error/
warning. Please check the documentation of
the encoder, consult the encoder
manufacturer for further investigation.
BisWnBit BiSS Warning
Bit active.
One of the bits in the BiSS
frame is used to signal
warning. This bit is set by
the encoder and read by
the drive according to
user-defined parameter
(Status bits active value).
This fault indicate that the
drive receives the warning
bit being active.
BisAcBit BiSS
Acknowledge
Bit not
received.
The BiSS slave is not
acknowledging the
request to communicate
sent by the drive. This
usually happens when
there is some issue with
the power or
communication link, e.g.
one of the wires is broken
or not well connected.
Please firstly make sure that the encoder is
connected to the port which is being
configured.
Then check the wiring accoding to the
hardware wiring instructions to make sure
that, firstly the signals are transfered to the
correct pins, secondly the signal transfer is
stable. Assistance of measurement tools
such as multimeter and oscilloscope is
necessary.
BisSrtBt BiSS Start Bit
not received.
The BiSS slave
acknowledged the request
to communicate, but it
didn't sent the start bit to
start the communication.
This usually happens when
there is some issue with
the power or
communication link, e.g.
one of the wires is broken
or not well connected.
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