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22, PARAWTERS
Pr.17
-
Pr.20
. T h e
function
allocated
to terminal
RUOH is
switched according to the setting of
"0"
or "1" for
Pr.17.
(IaQoly-semng)
R L
Low-speed operation selection signal
OH: For inputting the contact signal of the thermal
Tlm-md M Y
.
overload relay, installed outside the inverter,
' r * i d & e
or that of the thermal sensor
built in the
SD
~
motor. (N.C. contact)
N o t e :
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
l o r hlgh s p u d 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
h f e r to ~ r . 3 .
u
Rehr to Pr.7.
-68-
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