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24 Parameter settings
Reset method and status indications
To configure a manual reset for the temperature protection function in the drive, you can
set either the STO indication (parameter
31.22 STO indication run/stop)
or the motor
overtemperature indication so that is generates a fault.
31.22 STO indication run/stop
Set this parameter to value
Fault/Fault
or
Fault/Warning
.
•
Fault/Fault:
This generates a fault in the drive/inverter module every time the drive/
inverter module STO function is activated.
•
Fault/Warning:
This generates a fault in the drive/inverter module when the drive is
running and a warning when the drive is stopped.
When this STO fault is generated, the drive trips due to overtemperature and you must
reset the drive with a manual reset command before you can restart the drive.
Note
: You can also configure the FSO module so that is sends a fault to the drive each
time it activates the drive STO function. See parameter
on page
Motor overtemperature indication
There are two ways to configure the motor overtemperature indication.
Example 1
The ACS880 primary control program has two separate temperature monitoring functions.
In this example, one of these functions (External event function 1) is configured to monitor
digital input DI6 (you can also use another digital input). When off (0), the function triggers
the user-selected indication and shows the user-defined message.
To configure the motor overtemperature indication in the drive:
1. Select the digital input which indicates the status of the external event:
•
set parameter
31.01 External event 1
source
to
DI6
.
2. Select the type of the external event 1:
•
set parameter
31.02
External event 1 type
to
Fault
,
Warning
or
Warning/Fault
.
If you set this parameter to
Fault
, the drive trips due to overtemperature and you
must reset the drive with a manual reset command before you can restart the
drive.
3. If necessary, edit the indication message with the control panel (see
ACS-AP-x
Assistant control panels user’s manual
(3AUA0000085685 [English]).
Example 2
In this example, the motor temperature is read from digital input DI6 (in this case you
cannot use any other digital input).
1. Select
PTC DI6
as the source of the temperature with parameter
35.11 Temperature 1
source
(use the same setting also with Pt100 sensors)
This creates a warning indication.
2. If you want a fault indication, set also parameter
35.12 Temperature 1 fault limit
to
4000 ohm
.
3. If necessary, edit the indication message with the control panel (see
ACS-AP-x
Assistant control panels user’s manual
(3AUA0000085685 [English]).
31.11 Fault reset selection
Select the correct source of an external fault reset signal with parameter
31.11 Fault reset
selection
.
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