FE FRENIC-Multi series, Instruction Manual

Page: 117 / 196

5-42
The UP / DOWN control is available in two modes--one mode (H61 = 0) in which the initial
value of the reference frequency is fixed to "0.00" at the start of the UP / DOWN control and the
other mode (H61 = 1) in which the reference frequency applied in the pr
control ap initial value.
W rence f s UP / DOWN been
c t re and to
a d as neede
W ter inte et
c eld fre the next restart (including poweri
evious UP / DOWN
plies as the
hen H61 = 0, the refe
the nex
requency applied by the previou control has
comm leared to "0," so at
ccelerate the spee
start (including powering on), use the UP ter
d.
minal
hen H61 = 1, the inver
ontrol and applies the h
rnally holds the current output frequency s by the UP / DOWN
ng on). quency at
time o
internal frequen
At the f restart and is e d before the
cy re n the me verte
, if an UP or DOWN terminal comm
aches the output frequency saved i
ntere
mory, the in r
saves the current o ency into the memory and start UP / DOW utput frequ s the N
control with the new previous frequency held will by
.
frequency. The be overwritten
the current one
Initi trol when the freq urce is switched al frequency for the UP / DOWN con uency command so
When the frequ source is switch from other
sources, the initi uency for the UP / DOWN co
ency command ed to the UP / DOWN control
al freq ntrol is as listed below:
Initial frequency for UP / DOWN control
Frequency command
source
Switching command
H61 = 0 H61 = 1
Other than UP / DOWN S
(F01, C30) command 2/1 ( Hz2 / Hz1 )
before switching
elect frequency
Reference frequency given by the
frequency command source used just
PID conditioner
Cancel PID control
(
Hz / PID )
Reference frequency given by PID control
(PID controller output)
M cy
lect multi-frequency
1 , SS2 , SS4 and
)
ulti-frequen
Se
(
SS
SS8
Communications lin
Enable
ia
bus ( L
Refe
frequ
ncy
rce
switching
Reference
frequency at the
time of previous
UP/DOWN control
k link v
communications
RS-485 or field
used just before
E )
rence
ency given
by the freque
command sou
command
To enable UP a ou need to set frequency
1) or fr forehand.
the
1 (F0
nd DOWN terminal commands, y
equency command 2 (C30) to "7" be