Application Examples; Programming A Closed-Loop Drive System; Wiring For Open-Loop Speed Control - Danfoss VLT AutomationDrive FC 361 Series Design Manual

Application Examples

9 Application Examples
The examples in this section are intended as a quick
reference for common applications.
•
Parameters associated with the terminals and
their settings are shown next to the drawings.
•
Switch settings for analog terminals A53 or A54
are shown where required.
9.1 Programming a Closed-loop Drive
System
A closed-loop drive system usually consists of the
following:
•
Motor.
•
Drive.
•
Encoder as feedback system.
•
Transmission.
•
Gearbox.
•
9 9
Load.
Encoder
Illustration 9.1 Basic Set-up for Closed-loop Speed Control
68
Transmission
Motor Gearbox
Danfoss A/S © 03/2019 All rights reserved.
VLT® AutomationDrive FC 361

9.2 Wiring for Open-loop Speed Control

FC
+10 V
A IN
A IN
COM
A OUT
COM
U - I
A53
Table 9.1 Analog Speed Reference (Voltage)
FC
+10 V
A IN
A IN
COM
A OUT
COM
U - I
A53
Table 9.2 Analog Speed Reference (Current)
Load
Parameters
Function
Parameter 6-10 Termi
nal 53 Low Voltage
Parameter 6-11 Termi
nal 53 High Voltage
Parameter 6-14 Termi
50
+
nal 53 Low Ref./
53
Feedb. Value
54
Parameter 6-15 Termi
55
-
nal 53 High Ref./
42
0 – 10 V
39
Feedb. Value
* = Default value
Notes/comments:
Assumptions are 0 V DC input
= 0 Hz speed and 10 V DC
input = 50 Hz speed.
Function
Parameter 6-12 Terminal
53 Low Current
Parameter 6-13 Terminal
53 High Current
Parameter 6-14 Terminal
50
+
53 Low Ref./Feedb.
53
Value
54
Parameter 6-15 Terminal
55
-
42 53 High Ref./Feedb.
4 - 20mA
39
Value
* = Default value
Notes/comments:
Assumptions are 4 mA input =
0 Hz speed and 20 mA input =
50 Hz speed.
Setting
0.07 V*
10 V*
0 Hz
50 Hz
Parameters
Setting
4 mA*
20 mA*
0 Hz
50 Hz
MG06K102