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ABB ACS880-11 - Page 296

ABB ACS880-11
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296 Parameters
35.13 Temperature 1
warning limit
Defines the warning limit for temperature monitoring function
1. When measured temperature 1 exceeds this limit, a
warning (A491 External temperature 1) is generated.
The unit is selected by parameter 96.16 Unit selection.
Note: With a PTC sensor, the unit is ohms.
110 °C,
230 °F or
4000 ohm
-60…100C,
-76…183F or
0…5000 ohm
Warning limit for temperature monitoring function 1. 1 = 1 unit
35.14 Temperature 1 AI
source
Specifies the analog input when the setting of 35.11
Temperature 1 source requires measurement through an
analog input.
Note: If the input is located on an I/O extension module, use
the selection Other to point to the AI actual value in group 14,
15 or 16, eg. 14.26 AI1 actual value.
Not selected
Not selected None. 0
AI1 actual value Analog input AI1 on the control unit. 1
AI2 actual value Analog input AI2 on the control unit. 2
Other Source selection (see Terms and abbreviations on page 114). -
35.21 Temperature 2
source
Selects the source from which measured temperature 2 is
read.
For wiring examples, see the hardware manual of the drive.
Usually this source is from a sensor connected to the motor
controlled by the drive, but it could be used to measure and
monitor a temperature from other parts of the process as long
as a suitable sensor is used as per the selection list.
Disabled
Disabled None. Temperature monitoring function 2 is disabled. 0
Estimated
temperature
Estimated motor temperature (see parameter 35.01 Motor
estimated temperature).
The temperature is estimated from an internal drive
calculation. It is important to set up the ambient temperature
of the motor in 35.50 Motor ambient temperature.
1
KTY84 analog I/O KTY84 sensor connected to the analog input selected by
parameter 35.24 Temperature 2 AI source and an analog
output. The input and output can be on the drive control unit or
on an extension module.
The following settings are required:
Set the hardware jumper or switch related to the analog
input to U (voltage). Any change must be validated by a
control unit reboot.
Set the unit selection parameter of the input to volt.
Set the source selection parameter of the analog output to
Force KTY84 excitation”.
Select the analog input in parameter 35.24. In case the
input is located on an I/O extension module, use the
selection Other to point at the actual input value parameter
(for example, 14.26 AI1 actual value).
The analog output feeds a constant current through the
sensor. As the resistance of the sensor changes along with its
temperature, the voltage over the sensor changes. The
voltage is read by the analog input and converted into
degrees.
2
KTY84 encoder
module 1
KTY84 sensor connected to encoder interface 1.
See also parameters 91.21 Module 1 temp sensor type and
91.22 Module 1 temp filter time.
3
No. Name/Value Description Def/FbEq16

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