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Application Examples
17.8 Motor Thermistor
NOTICE
Thermistors must use reinforced or double insulation to
meet PELV insulation requirements.
VLT
+24 V
12
+24 V
13
D IN
18
D IN
19
COM
20
D IN
27
D IN
29
D IN
32
D IN
33
D IN
37
+10 V
50
A IN
53
A IN
54
COM
55
A OUT
42
COM
39
U - I
A53
Table 17.12 Motor Thermistor
17
17
156
®
VLT
Parallel Drive Modules
Parameters
Function
Setting
Parameter 1-90
[2] Thermistor
Motor Thermal
trip
Protection
Parameter 1-93 T
[1] analog
hermistor Source
input 53
*=Default value
Notes/comments:
If only a warning is wanted, set
parameter 1-90 Motor Thermal
Protection to [1] Thermistor
warning.
Danfoss A/S © 6/2016 All rights reserved.
17.9 Relay Set-up with Smart Logic Control
FC
+24 V
12
+24 V
13
D IN
18
D IN
19
COM
20
D IN
27
D IN
29
32
D IN
D IN
33
D IN
37
+10 V
50
A IN
53
A IN
54
COM
55
A OUT
42
COM
39
01
02
03
04
05
06
Notes/comments:
If the limit in the feedback monitor is exceeded, Warning 90 is
issued. The SLC monitors Warning 90 and in the case that
Warning 90 becomes TRUE then Relay 1 is triggered.
External equipment may require service. If the feedback error
goes below the limit again within 5 s, then the frequency
converter continues and the warning disappears. Reset Relay 1
by pressing [Reset] on the LCP.
Table 17.13 Using SLC to Set a Relay
Parameters
Function
Setting
Parameter 4-30
Motor Feedback
Loss Function
[1] Warning
Parameter 4-31
100 RPM
Motor Feedback
Speed Error
parameter 4-32
5 s
Motor Feedback
Loss Timeout
Parameter 7-00 S
[2] MCB 102
peed PID
Feedback Source
Parameter 17-11
1024*
Resolution (PPR)
Parameter 13-00
[1] On
SL Controller
Mode
Parameter 13-01
[19] Warning
Start Event
Parameter 13-02
[44] Reset key
Stop Event
Parameter 13-10
[21] Warning
Comparator
no.
Operand
Parameter 13-11
[1] ≈ (equal)*
Comparator
Operator
Parameter 13-12
90
Comparator
Value
Parameter 13-51
[22]
SL Controller
Comparator 0
Event
Parameter 13-52
[32] Set
SL Controller
digital out A
Action
low
Parameter 5-40 F
[80] SL digital
unction Relay
output A
*=Default value
MG37N102
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