Sumitomo CAI40C, Руководство по эксплуатации

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15
6. Alarm output
When the following functions are activated, the inverter output is
stopped. Check the details of respective alarms, and take corrective
measures. Be sure to turn off the power before taking corrective
measures.
6-1 Protective function
Contents LED blinking pattern Correction
Protection
of setting
Hardware
failure
Protection
from
instantaneous
overcurrent
Protection
from
overvoltage
Protection
from
undervoltage
Protection
from coolant
overheating
Protection
from
overload
Electronic
thermal
The inverter is stopped
t o p r e v e n t s e t t i n g
change during opera-
tion.
Stop due to hardware
failure
The inverter is stopped
when overcurrent flows
due to overloading on the
output side and when the
output side is short-cir-
cuited.
The inverter is stopped
when the overvoltage
in the DC intermediate
circuit is detected.
The inverter is stopped
when the undervoltage
in the DC intermediate
circuit is detected.
The inverter is stopped
when overheating of
coolant is detected.
The inverter is stopped
when the current due to
overcurrent is detected.
The inverter is stopped
due to motor overloading.
Check to see if the
dipswitch setting is
changed during op-
eration.
Turn off the power,
and wait for one
minute. If the simi-
lar phenomenon oc-
curs when the power
is turned on again,
contact us and re-
turn the product.
Check to see if the
motor lead wire is
short-circuited.
Check to see if the
primary voltage is
h i g h e r t h a n t h e
specified value.
Check to see if the
primary voltage is
l o w e r t h a n t h e
specified value.
Check the mounting
condition and ambi-
ent temperature.
Check to see if the
equipment load is
abnormal.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
ON
OFF
When the protective function is activated, the contact of the open
collector maintains conductivity until the protective function is
cancelled. Check the LED of the main unit to understand the
details of alarm.
Protective
function