ABB FSO-21, User Manual

Page: 490 / 540

490 Fault tracing
Event types
The FSO module generates three types of events to the drive:
• Pure events, which are just informative data
• Warnings, which are shown to the user
• Faults, which stop the drive and are shown to the user.
Warnings do not need to be reset; they stop showing when the cause of the warning
ceases. Warnings will not trip the drive and the drive will continue to run the motor.
Faults cause the drive to trip and the motor to stop. For information on how to recover
from a fault, see section
FSO recovery on page 504 .
The user can select the event type (warning, fault or event) for certain function
requests, limit hits and special events:
• Parameter FSOGEN.61 STO indication ext request defines the event type for the
STO, SS1 and SSE function external requests. The same parameter also defines
the event type that the FSO module generates when the function is completed.
• Parameter FSOGEN.62 STO indication safety limit defines the event type for the
limit hits of:
•
SLS1, …, SLS4, Variable SLS, SMS and SDI functions
• ramp monitoring and time monitoring of the safety ramps SAR0 and SAR1.
• Parameter SBUSGEN.10 STO indication passivation defines the event type for
the FSO module passivation due to safety fieldbus problems.
Event code decoding with Drive composer Pro tool
Check the reason for the event from the event log of the Drive Composer tool by
keeping the mouse over the AUX-code. For additional information, see the table
below.
STO The drive STO
circuit is closed
and the drive is
in operation.
Green The drive STO
circuit is open.
- -
FB Safety
communication
to the fieldbus
has stopped.
Green FSO is ready to
start safety
communication
to the fieldbus.
Green Safety
communication to the
fieldbus is running.
LED LED off LED lit and steady LED blinking