7.2
Signals
7.2.1
InpWoutput terminal-related signals
SVRDY
Servo ready
SVEND
Servo end
DRU
1
PG U
Zero-point signal
Servo DRU output ON if no error. Set it to ON if
a
stepping motor is used.
Servo
DRU
output ON after positioning is completed. Set it to ON for stepping motor.
One-turn (or half-turn) signal
of
servo motor e.g.7.2"lpulse for stepping motor
Set by PARA
No.9.
Type A: Forward pulse Type
B:
Reverse pulse
FPiPLS
Forward Dulse
71
DkJ
RPiPLS
PGU
Reverse pulse
Set by PARA No.9.
Type A: Reverse pulse Type
B:
Forward pulse
Clears deviation counter when servo motor returns to home position. Not required for stepping
motor.
CLR
Clear signal
LsF
I
K
1
Forward limit
Machine
Turns OFF when the forward limit is passed. When PARA No.
12
is
'l',
Keep PGU input ON
when the switches
are connected to
Turns
OFF
when the reverse limit is passed. When PARA No. 12 is
'1'.
the
DRU
side,
Turns ON when a point near the machine home position is passed. Provided in front
of
the
reverse limit.
ON: Manual operation (MANUAL mode)
OFF:
AUTO operation (AUTO mode)
Manual operation
Starts automatic operation when turned ON momentarily. To restart operation after STOP,
START needs to be turned ON again. Same as START signal BFMtl b3
of
programmable con-
troller.
Manual or automatic operation stops when this is momentarily turned ON. START
is
not ac-
cepted when this is ON. Same as STOP of programmable controller or teaching panel,
START
Posltioning start
iTopl
Stop
signal Operation panel
I
1
PG U
Machine home return starts when
it
is
turned ON momentarily
Valid in manual
only. Command is
also possible from
teaching panel
under the TEST
mode.
Machine home
sosition return
Forward operation is enabled when this is ON. 0ne.pulse feed
is
ex.
ecuted for every ON of
0.5
sec or less.
:WD(X5)
Wanual forward
WS(X6)
KO
to x3
3enerai.purpose input
Reverse operation is enabled when this is
ON,
0ne.pulse feed is ex-
ecuted for every ON of
0
5
sec or less.
Block or position data designation, general.purpose control input, etc.
YO
to Y5 PG U
1
Machine
3EADY (Y6)
Turned ON/OFF by program stored in PGU
General.purpose output or READY (waiting for START), depending on PARA No.16.
7
PGU
panel indicators
1
:o:
POWER
I
Turned ON when power
to
the PGU is
ON.
I
~
10:
READY
I
Turned ON when a process is completed. Affected by WAIT and END instructions. (when waiting for
a START command)
1
10:
CPU-E
I
Turned ON when a CPU error occurs. (watchdog timer error:
0.3
to
400
msec)
~~~ ~~ ~~ ~ ~ ~
1
I
I@:
MEM-E ERROR
1
Turned ON when there is a programiparameter abnormality
or
parity error. Flashes when there is an
emeraencv
stoD
(LSF,
LSR oDerationl. servo readv error, servo end error, etc.
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101
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