Danfoss VLT AutomationDrive FC 361 Programming Guide

1.1.4 Approvals and Certications
1.2 Denitions
1.2.1 Frequency Converter
Coast
The motor shaft is in free mode. No torque on the motor.
I
VLT,MAX
Maximum output current.
I
VLT,N
Rated output current supplied by the frequency converter.
U
VLT,MAX
Maximum output voltage.
1.2.2 Input
Control commands
Start and stop the connected motor with the LCP and
digital inputs.
Functions are divided into 2 groups.
Functions in group 1 have higher priority than functions in
group 2.
Group 1 Coast stop, reset and coast stop, quick stop, DC
braking, stop, and [OFF].
Group 2 Start, latched start, start reversing, jog, freeze
output, and [Hand On].
Table 1.3 Function Groups
1.2.3 Motor
Motor running
Torque generated on the output shaft and speed from
0 RPM to maximum speed on the motor.
f
JOG
Motor frequency when the jog function is activated (via
digital terminals or bus).
f
M
Motor frequency.
f
MAX
Maximum motor frequency.
f
MIN
Minimum motor frequency.
f
M,N
Rated motor frequency (nameplate data).
I
M
Motor current (actual).
I
M,N
Nominal motor current (nameplate data).
n
M,N
Nominal motor speed (nameplate data).
n
s
Synchronous motor speed.
n
s
=
2 × Parameter 1−23 × 60s
Parameter 1−39
n
slip
Motor slip.
P
M,N
Rated motor power (nameplate data in kW or hp).
T
M,N
Rated torque (motor).
U
M
Instantaneous motor voltage.
U
M,N
Rated motor voltage (nameplate data).
Break-away torque
175ZA078.10
Pull-out
RPM
Torque
Illustration 1.1 Break-away Torque
η
VLT
The eciency of the frequency converter is dened as the
ratio between the power output and the power input.
Start-disable command
A start-disable command belonging to the control
commands in group 1. See Table 1.3 for more details.
Stop command
A stop command belonging to the control commands in
group 1. See Table 1.3 for more details.
1.2.4 References
Analog reference
A signal transmitted to the analog inputs 53 or 54 can be
voltage or current.
Binary reference
A signal transmitted via the serial communication port.
Introduction VLT® AutomationDrive FC 361
4 Danfoss A/S © 03/2019 All rights reserved. MG06J202
11

Danfoss VLT AutomationDrive FC 361 Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 361
Category	DC Drives
Language	English