ABB ACQ810 - Page 198

198 Parameters
31.02 Mot temp1 src Selects the means of temperature measurement for motor
thermal protection 1. When overtemperature is detected the
drive reacts as defined by parameter 31.01 Mot temp1 prot.
Estimated The temperature is supervised based on the motor thermal
protection model, which uses the motor thermal time
constant (parameter 31.14 Mot therm time) and the motor
load curve (parameters 31.10…31.12). User tuning is
typically needed only if the ambient temperature differs from
the normal operating temperature specified for the motor.
The motor temperature increases if it operates in the region
above the motor load curve. The motor temperature
decreases if it operates in the region below the motor load
curve (if the motor is overheated).
WARNING! The model does not protect the motor if it
does not cool properly due to dust and dirt.
0
PTC JCU The temperature is supervised using 1…3 PTC sensors
connected to digital input DI5.
4
Pt100 JCU x1 The temperature is supervised using a Pt100 sensor
connected to analog input AI1 and analog output AO1 on the
JCU Control Unit of the drive.
7
Pt100 JCU x2 The temperature is supervised using two Pt100 sensors
connected to analog input AI1 and analog output AO1 on the
JCU Control Unit of the drive.
8
Pt100 JCU x3 The temperature is supervised using three Pt100 sensors
connected to analog input AI1 and analog output AO1 on the
JCU Control Unit of the drive.
9
Pt100 Ext x1 The temperature is supervised using a Pt100 sensor
connected to the first available analog input and analog
output on I/O extensions installed on the drive.
10
Pt100 Ext x2 The temperature is supervised using two Pt100 sensors
connected to the first available analog input and analog
output on I/O extensions installed on the drive.
11
Pt100 Ext x3 The temperature is supervised using three Pt100 sensors
connected to the first available analog input and analog
output on I/O extensions installed on the drive.
12
31.03 Mot temp1 almLim Defines the alarm limit for motor thermal protection 1 (when
parameter 31.01 Mot temp1 prot is set to either Alarm or
Fault).
0 … 200 °C Motor overtemperature alarm limit. 1 = 1 °C
31.04 Mot temp1 fltLim Defines the fault limit for the motor thermal protection 1
(when parameter 31.01 Mot temp1 prot is set to Fault).
0 … 200 °C Motor overtemperature fault limit. 1 = 1 °C
31.05 Mot temp2 prot Selects how the drive reacts when motor overtemperature is
detected by motor temperature protection 2.
No Motor temperature protection 2 inactive. 0
Alarm The drive generates alarm MOTTEMPAL2 (0x4313) when
the temperature exceeds the alarm level defined by
parameter 31.07 Mot temp2 almLim.
1
Fault The drive generates alarm MOTTEMPAL2 (0x4313) or trips
on fault MOTOR TEMP2 (0x4313) when the temperature
exceeds the alarm/fault level defined by parameter 31.07
Mot temp2 almLim / 31.08 Mot temp2 fltLim (whichever is
lower).
2
No. Name/Value Description FbEq