Danfoss VLT FC 103 Operating Instructions Manual page 82

Application Examples
S p e e d
R e f e r e n c e
S t a r t ( 1 8 )
F r e e z e r e f ( 2 7 )
S p e e d u p ( 2 9 )
S p e e d d o w n ( 3 2 )
Illustration 7.3 Speed Up/Down
FC
7 7
+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
01
02
03
04
05
06
61
68
69
Table 7.11 RS-485 Network Connection
CAUTION
Thermistors must use reinforced or double insulation to
meet PELV insulation requirements.
80
Operating Instructions
Parameters
Function Setting
8-30 Protocol FC*
8-31 Address 1*
8-32 Baud Rate 9600*
* = Default Value
Notes/comments:
Select protocol, address and
baud rate in the above
mentioned parameters.
D IN 37 is an option.
RS-485
+
-
Danfoss A/S © Rev. 05/2014 All rights reserved.
VLT
1-90 Motor
+24 V 12
Thermal
+24 V 13
Protection
D IN 18
1-93 Thermistor
D IN 19
COM 20 Source
D IN 27
* = Default Value
D IN 29
D IN 32
Notes/comments:
D IN 33
If only a warning is desired,
D IN 37
1-90 Motor Thermal Protection
should be set to [1] Thermistor
+10 V 50
warning.
A IN
53
D IN 37 is an option.
A IN
54
NOTICE
COM
55
A OUT
42
Danfoss recommends using
COM
39
24 V DC as thermistor
supply voltage.
U - I
A53
Table 7.12 Motor Thermistor
Parameters
Function Setting
[2]
Thermistor
trip
[1] Analog
input 53
MG16J202