1.1.5 Definitions
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
be started and stopped with
LCP and the digital inputs.
Functions are divided into 2
groups.
Functions in group 1 have
higher priority than
functions in group 2.
Group
1
Reset, Coasting stop,
Reset and Coasting stop,
Quick-stop, DC braking,
Stop and the [Off] key.
Group
2
Start, Pulse start,
Reversing, Start reversing,
Jog and Freeze output
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).
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
175ZA078.10
Pull-out
rpm
Torque
Illustration 1.1
η
VLT
The efficiency of the 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.
How to Read this Design Gui...
VLT
®
Micro Drive FC 51 Design Guide
MG02K202 - VLT
®
is a registered Danfoss trademark
7
1
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