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User Manual QT series generation 2.5, ID 2021, rev 3.2, January 14, 2022
Page
69 of 88
Note!
For all available parameters, see System Integrators Manual CANopen
Interface.
Table 12: Failsafe triggers
Parameter
Action / Purpose
Adjustable Range
Set Failsafe from
IAS/E3C
Manually setting Failsafe for test or
other scenarios
NA
Heartbeat Bad
timeout
Initiate Failsafe protocol if the signal
is lost after the predefined time delay.
0-255 seconds
PSU Critical Timeout
Initiate the failsafe protocol if external
power is below critical after the
predefined time delay.
0-255 seconds
UPS Error Timeout
triggered by one or
more of the following
−
UPSCOMERR
−
TEMPERR
−
SOHERR
−
SOCERR
The UPS Error Timeout is a common
timer for all internal errors before
triggering of the failsafe protocol.
−
PSU Communication error
−
Temperature above critical
−
State of Health below
minimum
−
State of Charge below
minimum
Disabled (65535)
or adjustable
between 0-65534
seconds
Table 13: Other important configurable parameters
Parameter
Action / Purpose
Adjustable Range
Heartbeat Good Timeout
Timer for ensuring that
the heartbeat is present
for the requested time
period before reporting
all OK to IAS
0-255 seconds
The Failsafe actuator is mounted and installed in the same way as a
standard actuator, with the following exceptions:
•
There are routines to follow for the storage and installation caused by
battery considerations, see information in section
•
There are considerations to make when you open the actuator, see
•
The interface communication box is fastened to the failsafe module with
nuts instead of screws.
•
Connection of the battery cable sees
on page 74, steps 12
–
16.
Chapter 4 Mounting and Installation
on page 34 on how to connect the
external power and signal cables to the communication interface unit.
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