Mechanical Brake Control; Open Loop Speed Control - Danfoss VLT FC 102 User Manual

Application Set-up Examples

5.2.4 Mechanical Brake Control

FC
+24 V 12
+24 V 13
D IN 18
D IN 19
COM 20
27
D IN
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
Table 5.5 Mechanical Brake Control (Open Loop)
1-76
Current
Speed
1-71
Start (18)
Start
reversing (19)
Relay output
Open
Closed
Illustration 5.1 Mechanical Brake Control (Open Loop)
MG37L202
User Guide
Parameters
Function Setting
Parameter 1-00 C
onfiguration [0] Speed
Mode open loop
Parameter 1-01
[1] VVC +
Motor Control
Principle
Parameter 5-40 F [32] Mech.
unction Relay brake ctrl.
Parameter 5-10 T [8] Start*
erminal 18
Digital Input
Parameter 5-11 T [11] Start
erminal 19 reversing
Digital Input
Parameter 1-71 S 0.2
tart Delay
Parameter 1-72 S +
[5]VVC /FLUX
tart Function
Clockwise
Parameter 1-76 S
I
m,n
tart Current
Parameter 2-20 R App.
elease Brake dependent
Current
Parameter 2-21 A Half of
ctivate Brake nominal slip
Speed [RPM] of the motor
*=Default value
Time
2-21
1-71 2-21
Danfoss A/S © 08/2017 All rights reserved.

5.2.5 Open Loop Speed Control

FC
+10 V 50
+
A IN
53
A IN
54
COM
55
-
A OUT
42
0 – 10 V
COM
39
U - I
A53
Table 5.6 Analog Speed Reference (Voltage)
Parameters
Function Setting
Parameter 6-10 Terminal 0.07 V*
53 Low Voltage
Parameter 6-11 Terminal 10 V*
53 High Voltage
Parameter 6-14 Terminal 0 Hz
53 Low Ref./Feedb.
Value
Parameter 6-15 Terminal 50 Hz
53 High Ref./Feedb.
Value
* = Default value
Notes/comments:
Assumptions are 0 V DC input
= 0 Hz speed and 10 V DC
input = 50 Hz speed.
Terminals 53 and 55 are
connected to a 0–10 V DC
voltage input from an external
controller.
25
5 5