Table 1: Function Groups
Group 1
Group 2
Reset, coast stop, reset and coast stop,
quick stop, DC brake, stop, the LCP
[OFF] key.
Start, pulse start, reversing, start
reversing, jog, freeze output.
D
DSP
Digital signal processor.
Digital inputs
The digital inputs can be used for controlling various functions of the drive.
Digital outputs
The drive features 2 solid-state outputs that can supply a 24 V DC (maxi-
mum 40 mA) signal.
F
f
M
Motor frequency.
f
M,N
Rated motor frequency (nameplate data).
f
MAX
Maximum motor frequency.
f
MIN
Minimum motor frequency.
f
jog
Motor frequency when the jog function is activated (via digital terminals).
I
I
M
Motor current (actual).
I
M,N
Rated motor current (nameplate data).
Intermittent duty cycle
An intermittent duty rating refers to a sequence of duty cycles. Each cycle
consists of an on-load and an off-load period. The operation can be either
periodic duty or non-periodic duty.
L
LCP
The local control panel is the keypad for controlling the drive.
lsb
Least significant bit.
M
MCM
Short for "mille circular mil", an American measuring unit for cable cross-
section. 1 MCM=0.5067 mm
2
Motor running
Torque generated on output shaft and speed from 0 RPM to maximum
speed on motor.
msb
Most significant bit.
N
n
M,N
Nominal motor speed (nameplate data).
n
s
Synchronous motor speed.
n
s
= 2 × par . 1 − 23 × 60
s
par . 1 − 39
n
slip
Motor slip.
AU373327181955en-000101/130R1208 | 375
Danfoss A/S © 2021.08
Glossary
VLT® AutomationDrive EZ FC 321
Programming Guide
Содержание VLT AutomationDrive EZ FC 321
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