22, PARAWTERS
Pr.17
-
Pr.20
.The
function
allocated
to terminal
RUOH
is
switched according to the setting
of
"0"
or
"1"
for
Pr.17.
(IaQoly-semng)
RL
Low-speed operation selection signal
OH:
For inputting the contact signal of the thermal
Tlm-md
MY
.
overload relay, installed outside the inverter,
'r*id&eor
or that of the thermal sensor
built
in the
SD
~
motor.
(N.C.
contact)
,-?
Note:
I1
'1'
is set in Pr.17, the inverter is expecting a thermal relay
N.C,
signal.
RL is not
ac-
tive with Pr.17 equal
to
"Im.
A
CAUTION
A
With the external thermal relay connected, do not switch Pr.17 setting
to
"0". Otherwise, the
motor will
be
s!erted by the start signal only.
setting
the
uppr
llmh
frequency
lor
hlgh
spud
operation
.Set
this frequency value if operation is at a frequency higher than
120Hz.
0
By setting the frequency for this parameter, the value set lor Pr.1 (upper limit frequency)
is
auto-
matically replaced with this setting.
D
hfer
to
~r.3.
,?
u
Rehr
to
Pr.7.
d
-68-
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