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3.3.
5 Protective
Circuit
(Cont'd)
cut
off
the
control
power
(terminals
(_)
and
@,
or
(_) and
O)
at this
time,
because
this
will
turn
(2)
Corrective
Action
when
Protective
Circuit
off
LEDs
in
CPCR-MR
or
JESP-PT
indicating
the
Operates
cause of alarm.
When
the
protective
circuit
operates,
the
drive
circuit
in
Servopack
is
turned
OFF,
the
content
NOTE
of operation
is displayed
with
LEDs,
and
alarm
signals
are
output
from
the
external
terminals
Before
restarting
the
operation,
set
the
speed
@,
@ ,
and
@ .
This
state
continues
until
reference
to OV.
Then
turn
on the main
circuit
reset.
The
output
of
an alarm
signal
shows
some
power.
(Due
to saturation
of the speed
ampli-
trouble,
so check
the
cause
and
take
the
proper
tier,
an instantaneous
high-speed
rotation
may
corrective
action
to restart
the
operation,
occur
momentally.)
Do
not
check
the
cause
whf]e
power
is
applied
to
the
main
circuit.
Make
a sequence
3.3.6
Display
to
cut
off
only
the
main
circuit
power
supply,
(terminals
(_
and
(_
, or
®
,
(_) , and
(j))
Servopack
CPCR-MR[:]C
is provided
with
a variety
using
an
alarm
signal.
See
Fig.
3..5.
Do
not
of
LEDs
for
indicating
the
operating
conditions
in
protective
circuit
and
control
section.
Table
3.3
shows
indicating
specifications.
Table
3.3
LED
Indication
Specification
SERVOPACK
Protection
SERVOPACK
Indicating
Types
Device
Types
Function
LED Name
Lighting Condition
CPCR-MR01C
Type
CPCR-MR08C
to -MR07C
JESP-PT
to -MR09C
Control power is supplied.
(CPCR-MR01C to -MR07C:
(Green)
100 VAC _+10 %, single-phase
across terminals(_)-@:
CPCR-MR08C to -MR99C:
200 VAC +_10%, single-
O
--
O
Power Supply
phase across terminals Q-O.)
rM_N](Green)51LED Main circuit power is supplied.
--
--
O
Speed
reference
(+60
mV or more)
is input
across
ter-
Speed Reference _
(White)
-
--
O
O
Input
minals(!)-(_)or (_)-(_).
Base is off in both forward and reverse rotations:
• Overtravel preventive circuit (terminals t_), (_), (_)) oper-
ates in both forward
and
reverse
rotations.
Base off
_
(White)
• External base off circuit (terminals @-@) operates.
--
O
O
• Servo
trouble
detecting
circuit
operates.
• Main power is not applied to SERVOPACK.(200VAC _+100/0,
three-phase, 50/60Hz across terminals ®-®-_).
TG Trouble
_
(Red)
TG trouble detecting circuit operates.
--
O
O
}PROTEC'i-J
(Red)
--
0
0
Overcurrent
Overcurrent
detecting
circuit operates.
i-_
(Red)
0
--
--
(Red)
--
0
0
o I Overvoltage
Overvoltage
detecting
circuit operates.
_
(Red)
O
--
--
g
_-
IRE'GENEI (Red)
Blown-fuse detecting circuit operates.
--
--
O
o Blown F use
See Fig.
See Fig.
Fuse Element
Blown-fuse indicator comes out from fuse element itself.
--
3. 17 (a).
3. 17 (b).
SERVOPACK
overload
detecting
circuit
operates.
(Protection
Overload
_
(Red)
device:
type JESP-PT[_]Lonly; SERVOPACK,type CPCR-
--
.,_
A
MR[]]CL
only)
Heat Sink
_
(Red)
Heat sinkoverheatdetectingcircuit operates. (For SERVOPACK
Overheat
IPROTECTI(Red) typesCPCR-MR55C to -MR99C)
--
--
A
Regenerative
_
(Red)
Trouble detecting circuit for regenerative circuit operates.
--
--
O
Trouble
Notes:
1. Mark _ is for specification of special types.
2. MarkO or A is displayedwith
Servopack.
30
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