
Parameters 213
PTC analog I/O
PTC sensor connected to analog input selected by
parameter
and an
analog output.
The required settings are the same as with selection
.
Note:
With this selection, the control program
converts the
analog signal to PTC resistance value in ohms and
shows it in parameter
. The parameter name and
unit still refer to temperature.
20
Defines the fault limit for temperature supervision
function 1. The unit is selected by parameter
Note:
With a PTC sensor, the unit is ohms.
130 °C, or
266 °F or
4500 ohm
-60…5000 °C, or
-76…9032 °F, or
0...5000 ohm
Fault limit for temperature monitoring function 1.
1 = 1 unit
Defines the warning limit for temperature supervision
function 1. The unit is selected by parameter
Note:
With a PTC sensor, the unit is ohms.
110 °C, or
230 °F or
4000 ohm
-60…5000 °C, or
-76…9032 °F, or
0...5000 ohm
Warning limit for temperature monitoring function 1.
1 = 1 unit
Selects the input for parameter
selections
, and
not used
None.
0
AI1 actual value
Analog input AI1.
1
AI2 actual value
Analog input AI2.
2
-
Defines the ambient temperature of the motor for the
motor thermal protection model. The unit is selected
.
The motor thermal protection model estimates the
motor temperature on the basis of parameters
…
. The motor temperature increases if it
operates in the region above the load curve, and
decreases if it operates in the region below the load
curve.
WARNING!
The model cannot protect the
motor if the motor does not cool properly
because of dust, dirt, etc.
20 °C or
68 °F
-60…100 °C or
-75 … 212 °F
Ambient temperature.
1 = 1°
No.
Name/Value
Description
Default
FbEq 16
Содержание ACS280
Страница 1: ... ABB MACHINERY DRIVES ACS280 coldplate drives Firmware manual ...
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Страница 298: ...298 Parameters ...