Roll Feed Mode Using The Roll Feed Display Function - Mitsubishi Electric MR-JE-*C Instruction Manual

7. HOW TO USE THE POINT TABLE

7.5 Roll feed mode using the roll feed display function

The roll feed display function is a function to change the display method of the current position and the
command position in the status monitor.
The roll feed display function enables the servo amplifier to be used in the roll feed mode. The roll feed
mode can be used with the incremental system. In addition, the override function enables the feed speed to
be changed during operation. Refer to section 7.6 for details.
(1) Parameter setting
No. Name
PT26 Current
position/command
position display
selection
PT26 Electronic gear
fraction clear
selection
(2) Roll feed display function
When the roll feed display function is used, the status display of the current position and the command
position at start becomes "0".
ON
INP (In-position)
OFF
Forward
Servo motor speed rotation
0 r/min
Reverse
rotation
ON
Controlword bit 4
(New set-point)
OFF
ON
Controlword bit 8
(halt)
OFF
ON
Control DI3 bit 11
(C_CR (Clear))
OFF
Display of current/
command position
(3) Position data unit
The display unit is shown in the units set in [Pr. PT26], and the feed length multiplication is shown in the
units set in [Pr. PT03].
Refer to section 7.2.2 for details.
(4) Operation method
Only the status display of the current position and command position changes. The operation method is
the same as each operation mode.
Point table mode (pt)
Jog mode (jg)
Homing mode (hm)
Setting digit Setting item
_ _ x _ Current
position/command
position display
selection
_ _ _ x Electronic gear
fraction clear
selection
0 10.00
A point table whose
Starting renews
the display from 0. feed length is set to
8 is selected.
Operation mode
POINT TABLE OPERATION
Jog operation
Manual pulse generator operation
Setting value
_ _ 1 _ Select the roll feed display.
_ _ _ 1 Clear a fraction of the previous command by
the electronic gear at start of the automatic
operation. Be sure to set "_ _ _ 1" (enabled) in
the electronic gear fraction clear.
0 8.00 0
8.00
The temporary stop
position is displayed.
Remaining distance clear
will not change the display.
Detailed explanation
Section 7.4
Section 9.1.3
Section 9.2
Section 6.4
7 - 35
Setting
Remaining distance clear
Remaining
distance clear
5.90 0
Next starting renews
the display from 0.
Quick stop by
CR input
6.50