(3) True speed does not meet referenced speed
.
.
.
.
c
c
Cause
Checkup
Remedy
Adjustment
Adjustment is not made for
Correct spindle
para-
improper
S-analog speed reference.
meter setting
{PIG
1
display).
I
I
External speed
Voltage of
speed reference
/
Remedy the external
reference signal
signal from external signal
1
speed reference
signal
improper
source does not change
lin-
circuit.
eally
from
OV
to
1OV.
(Analog speed reference
signal input: CH30
-
AGA)
S command code
BCD code is output instead
,Binary
code should be
improper
of binary code for S
com-
used for S command.
mand (machine parameter
(Set
"Shin"
to
"1")
"Shin"
is set at
"0").
(4) Required torque cannot be obtained . . . . .
Perform check in accordance with
(l),
(2) and (5).
(5) It takes ionger time to start the motor . . . . .
I
I
Cause
I
Checkup
Remedy
I
I
Load increased
Check the load condition.
)
Lighten the load.
I
I
I
I
I
(6) "Up-to-speed"
signal is not output (for DIO interface with
NC) . . . . .
I
Cause
Checkup
Remedy
Trouble with
I
Check that
"up-to-speed"
/
Replace the card
SFJ-
output circuit
flag (external output in
j
CAl.
of card
SFJ-
DIAGNOSIS mode) turns on
i
CA1
when motor speed reaches
!
the preset speed.
If the flag does not turn
on,
the output circuit is
;
defective.
(7) Data sent from the NC is not accepted . . . . . .
Interlock turns on because "up-to-speed" signal is not
output properly.
Check the control sequence and perform
-109-
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