App-264
SD1847
Axis 1 external I/O
signal
External I/O signals
• This register stores the on/off status of external I/O
signals.
• When an OPR method with the OPR retry function
(Near-point dog method, Count 1, Count 2) is
performed, a value indicating the status of the upper
limit signal or the lower limit signal is stored to the
external command signal.
*1
*1 When an OPR method with the OPR retry function is
performed even once, a value indicating the status
of the upper limit signal or the lower limit signal will
be stored until when speed/position switching
control is started.
S
(Every END
processing)
New LCPU
SD1848
Axis 1 movement
amount after
near-point dog
ON
Movement amount
after near-point dog
ON
• This register stores "0" when machine OPR control is
started.
• After machine OPR control is started, this register
stores a travel distance from the point where the
near-point watchdog signal turns on (The point is set
to "0".) to the point where machine OPR control is
completed.*1
• When an OPR method is set to Stopper 3, this
register always stores "0".
*1 Range: 0 to 2147483647 pulses
SD1849
SD1850
Axis 1 Data No. of
positioning being
executed
Data No. of
positioning being
executed
• This register stores the data No. of positioning being
executed.
(A storage value will be held until the next control
starts.)
• "0" is stored when JOG operation or machine OPR
control is started.
• "1" is stored when high-speed OPR control is started.
• "1" is stored when positioning control is started by
the IPDSTRT1 or IPDSTRT2 instruction.
• If an error occurs at the start of positioning control,
the previous value will be held.
Number Name Meaning Explanation
Set by
(When Set)
Corres-
ponding
ACPU
D9
Corres-
ponding
CPU
b2 b1 b0b3b4b6 b5b15
0
0/10/10/10/1
0/1 0/1
to
0: OFF
1: ON
Lower limit signal
0: OFF
1: ON
Upper limit signal
0: OFF
1: ON
Near-point watchdog
signal
0: OFF
1: ON
Drive unit ready signal
0: OFF
1: ON
External command
signal
0
: OFF
1: ON
Zero signal
Fixed to 0.
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