Mitsubishi Melsec-A Series User Manual page 105

6. PROGRAMMING
/MELSEC
.
POINT
I
(1) Always disable manual puker inching when not in use
(i.e. write "0" to buffer memory address 47 ( X axis) or
347 (Y axis). See
page
3-34.
(2) Manual pulser inching is allowed if:
0
Inching is enabled in the buffer memory.
0
The relevant axis
is not
b u s y ,
or is busy in inching
made.
(3)
The input and output counters which count
the
number
of manual pulses given, are cleared approx. 0.2 seconds
after disabling the function or switching off
t h e
PC ready
signal
(
Y 1 D)
.
When
the
stop signals
(Y
15, Y 16) are switched on,
the pulse input and output counters are cleared to 0.
(4) Travel requiring
backlash
compensation is not s t a r t e d if
the
number of output pulses is
less
than the
backlash
setting
value.
(5)
The manual pulse input counter is not cleared if there is
an error preventing operation, In this case disable the
function (which clears the counter), clear the error, and
then reenable the function.
(6) The input buffer for
t h e
manual pulser p u l s e chain will
hold 1677721 5 pulses.