r
f-
When other frequency reference voltage signal is applied to terminals 2 and 4
at the same time, the voltage is added to the original reference voltage across
terminals 1 E ( 1 K) and- 5.
EXTERNAL THERMAL RELAY SIGNAL INPUT AND OUTPUT SHUTOFF MODk
SELECTION
External thermal relay signal input and output shutoff mode •I
q
‘If an externally installed thermal relay is
Invertar Thermal relay
activated, the inverter output can be shut off
2200 u
and held shut off and the alarm signal can
-v ;
IM Motor
be. output.
w ;
JOG/OH
When the external thermal relay is reset
s
automatically, the inverter does not resume
operation automatically.
7
The thermal relay contact signal (normally closed) should be input through
terminals JOG/OH-SD.
Inverter output can be shut off using terminal MRS, operating mode of which
is shown below.
Setting
” 0 ”
II ,t
1
“100”
Function of terminal JOG/OH
Function of terminal MRS
JOG mode is selected.
Inverter output is shut off when
(initial setting)
terminals MRS-SD are closed.
External thermal relay is applicable. same as above
JOG mode is selected. Inverter output is shut off when
terminals MRS-SD are open.
“101”
External thermal relay is applicable.
same as above
Note: If ” 1 ” or
“ 101” is set while JOG/OH- SD is open, alarm ” OHT ” occurs.
OPEN COLLECTOR OUTPUT ADJUSTMENT AND SELECTION
Up -to-frequency sensitivity @.I
q
(Terminal SU>
operating
Frequency range within which ” up- to-frequency ”
frequency
Adjustable range
signal is output can be adjusted within the range
B
--
from + 1% to +lOO% of operating output frequency.
1 -- _-_
Output frequency detection @ @J
‘;
,P
L!?c
Run Run
8
hme
(Terminal FU)
Frequency to be detected can be set within the range from 0 Hz to 360Hz.
If output frequency exceeds this point,
” L ” level signal is output from
-109-
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