5.2.4 Mechanical Brake Control
Parameters
FC
+24 V
+24 V
D IN
D IN
D IN
COM
D IN
D IN
D IN
D IN
+10 V
A IN
A IN
COM
A OUT
COM
R1
R2
12
13
18
19
20
27
29
32
33
37
50
53
54
55
42
39
01
02
03
04
05
06
130BB841.10
Function
Setting
Parameter 1-00 C
onfiguration
Mode
[0] Speed
open loop
Parameter 1-01
Motor Control
Principle
[1] VVC
+
Parameter 5-40 F
unction Relay
[32] Mech.
brake ctrl.
Parameter 5-10 T
erminal 18
Digital Input
[8] Start*
Parameter 5-11 T
erminal 19
Digital Input
[11] Start
reversing
Parameter 1-71 S
tart Delay
0.2
Parameter 1-72 S
tart Function
[5]VVC
+
/FLUX
Clockwise
Parameter 1-76 S
tart Current
I
m,n
Parameter 2-20 R
elease Brake
Current
App.
dependent
Parameter 2-21 A
ctivate Brake
Speed [RPM]
Half of
nominal slip
of the motor
*=Default value
Table 5.5 Mechanical Brake Control (Open Loop)
Start (18)
Start
reversing (19)
Relay output
Speed
Time
Current
1-71
1-71
2-21
2-21
1-76
Open
Closed
130BB842.10
Illustration 5.1 Mechanical Brake Control (Open Loop)
5.2.5 Open Loop Speed Control
Parameters
+10 V
A IN
A IN
COM
A OUT
COM
50
53
54
55
42
39
A53
U - I
0 – 10 V
+
-
e30bb926.11
FC
Function
Setting
Parameter 6-10 Terminal
53 Low Voltage
0.07 V*
Parameter 6-11 Terminal
53 High Voltage
10 V*
Parameter 6-14 Terminal
53 Low Ref./Feedb.
Value
0 Hz
Parameter 6-15 Terminal
53 High Ref./Feedb.
Value
50 Hz
* = 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.
Table 5.6 Analog Speed Reference (Voltage)
Application Set-up Examples
User Guide
MG37L202
Danfoss A/S © 08/2017 All rights reserved.
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