ABB ACQ80 Firmware Manual page 181

No. Name/Value
1 × Pt100 analog
I/O
2 × Pt100 analog
I/O
3 × Pt100 analog
I/O
Direct
temperature
35.22 Temperature 2
fault limit
-60...5000 °C or
-76...9032 °F
Description
Pt100 sensor connected to a standard analog
input selected by parameter
and an analog output.
AI source
The following settings are required:
• Set the hardware jumper or switch related to
the analog input to
must be validated by a control unit reboot.
• Set the appropriate analog input unit selection
parameter in group
• In parameter group
source selection parameter of the analog
output to
Temp sensor 2
The analog output feeds a constant current
through the sensor. As the resistance of the
sensor increases along with its temperature, the
voltage over the sensor increases. The voltage is
read by the analog input and converted into
degrees.
As selection
1 × Pt100 analog
sensors connected in series. Using multiple
sensors improves measurement accuracy
significantly.
As selection
1 × Pt100 analog
sensors connected in series. Using multiple
sensors improves measurement accuracy
significantly.
The temperature is taken from the source
selected by parameter
source. The value of the source is assumed to be
degrees Celsius.
Defines the fault limit for temperature
supervision function 2. When measured
temperature 1 exceeds the limit, the drive
trips on fault
4982 External temperature
The unit is selected by parameter
selection.
Fault limit for temperature monitoring
function 2.
35.24 Temperature 2
U
(voltage). Any change
to
12 Standard AI V
AO, set the
13 Standard
excitation.
I/O, but with two
I/O, but with three
35.24 Temperature 2 AI
2.
96.16 Unit
Parameters 181
Def/
FbEq16
5
(volt).
6
7
11
130 °C or
266 °F
1 = 1 unit