FC101 Design Guide

Example with digital input and 10 V power supply
The frequency converter trips when the motor temperature
is too high.
Parameter set-up:
Set parameter 1-90 Motor Thermal Protection to [2]
Thermistor Trip.
Set parameter 1-93 Thermistor Source to [6] Digital Input 29.
R
OFF
ON
<800 Ω >2.9 kΩ
18
19
12 20 55
27 29 42 45 50 53 54
DIGI IN DIGI IN DIGI IN DIGI IN
61 68 69
N P COMM. GND
+24V
0/4-20mA A OUT / DIG OUT 0/4-20mA A OUT / DIG OUT
COM A IN
COM DIG IN
10V/20mA IN 10V/20mA IN 10V OUT
BUS TER.
OFF ON
130BB898.10
Figure 3.58 Digital Input/10 V Power Supply
Example with analog input and 10 V power supply
The frequency converter trips when the motor temperature
is too high.
Parameter set-up:
Set parameter 1-90 Motor Thermal Protection to [2]
Thermistor Trip.
Set parameter 1-93 Thermistor Source to [1] Analog Input 53.
NOTICE!
Do not set Analog Input 54 as reference source.
18
19
12 20 55
27 29 42 45 50 53 54
DIGI IN DIGI IN DIGI IN DIGI IN
61 68 69
N P COMM. GND
+24V
0/4-20mA A OUT / DIG OUT 0/4-20mA A OUT / DIG OUT
COM A IN
COM DIG IN
10V/20mA IN 10V/20mA IN 10V OUT
BUS TER.
OFF ON
130BB897.10
R
<3.0 k Ω
>2.9k Ω
OFF
ON
Figure 3.59 Analog Input/10 V Power Supply
Input
Supply voltage
[V]
Threshold
cutout values [Ω]
Digital 10
<800⇒2.9 k
Analog 10
<800⇒2.9 k
Table 3.18 Supply Voltage
NOTICE!
Make sure that the selected supply voltage follows the
specication of the used thermistor element.
ETR is activated in parameter 1-90 Motor Thermal Protection.
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