Definitions - Danfoss VLT HVAC Basic Drive FC 101 Design Manual

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1.1.5 Definitions

Frequency Converter
I
VLT,MAX
The maximum output current.
I
VLT,N
The rated output current supplied by the frequency
converter.
U
VLT, MAX
The maximum output voltage.
Input
Control command
The connected motor can
start and stop with LCP and
the digital inputs.
Functions are divided into 2
groups.
Functions in group 1 have
higher priority than
functions in group 2.
Table 1.4
Motor
f
JOG
The motor frequency when the jog function is activated
(via digital terminals).
f
M
The motor frequency.
f
MAX
The maximum motor frequency.
f
MIN
The minimum motor frequency.
f
M,N
The rated motor frequency (nameplate data).
I
M
The motor current.
I
M,N
The rated motor current (nameplate data).
n
M,N
The rated motor speed (nameplate data).
6
®
VLT HVAC Basic Drive Design Guide
Group Reset, Coasting stop,
1 Reset and Coasting stop,
Quick-stop, DC braking,
Stop and the [Off] key.
Group Start, Pulse start,
2 Reversing, Start reversing,
Jog and Freeze output
®
MG18C402 - VLT
P
M,N
The rated motor power (nameplate data).
U
M
The instantaneous motor voltage.
U
M,N
The rated motor voltage (nameplate data).
Break-away torque
Torque
Illustration 1.1
η
VLT
The efficiency of the LCP is defined as the ratio between
the power output and the power input.
Start-disable command
A stop command belonging to the group 1 control
commands - see this group.
Stop command
See Control commands.
References
Analog Reference
A signal transmitted to the analog inputs 53 or 54, can be
voltage or current.
Bus Reference
A signal transmitted to the serial communication port (FC
port).
Preset Reference
A defined preset reference to be set from -100% to +100%
of the reference range. Selection of eight preset references
via the digital terminals.
is a registered Danfoss trademark
Pull-out
rpm