Zero Return Interlock Setting; Precautions For Using The User Units (Mechanical Or Composite System Of Units) - Mitsubishi FX3U-20SSC-H User Manual

FX -20SSC-H Positioning Block User's Manual
3U
7.6.9

Zero return interlock setting

This function disables the start command before mechanical return.
1. Applicable positioning operations
• Operations applicable to the zero return
interlock setting
- 1-speed positioning operation
- Interrupt 1-speed constant quantity feed
- 2-speed positioning operation
- Interrupt 2-speed constant quantity feed
- Interrupt stop
- Variable speed operation
- Multi-speed operation
- Linear interpolation
- Linear interpolation (interrupt stop)
- Table operation (independent)
- Table operation (simultaneous)
2. Setting items
The zero return interlock setting is valid in one of the following states.
• The zero return interlock setting of operation parameter I is ON (1).
• The zero return completed status is OFF.
7.7 Precautions for using the user units
(mechanical or composite system of units)
1. User units
The user can select the unit setting for positioning.
For the unit setting method, refer to the following section.
1) System of units
Select the unit to use.
- Motor system of units
- Mechanical system of units :The position command and speed command are based on mm, mdeg,
- Composite system of units :The position command is based the mechanical system, while the speed
2) Data magnification
You can select the position data magnification (×1, ×10, ×100 or ×1000).
3) Setting value in user units
According to the user unit setting, specify the value as follows.
Position data
magnification
×1
×10
×100
×1000
54
→ For related parameters, control data and monitor data, refer to Section 7.9
:The position command and speed command are based on the number of
pulses.
-4
10 inches and so on.
command is based on the motor system, or similar composite units are
used.
Unit setting (position unit)
µm
PLS
µm
PLS
× 10 PLS × 10 µm
× 100 PLS × 100 µm
× 1000 PLS
mm
7 Before Starting Positioning Operation
7.7 Precautions for using the user units (mechanical or composite
• Operations inapplicable to the zero return
interlock setting
- JOG operation
- Manual pulse generator operation
- Mechanical zero return
→ For the setting method, refer to Section 11.1.1
inch
× 0.0001 inch
mdeg
× 0.001 inch × 10 mdeg
× 0.01 inch × 100 mdeg
× 0.1 inch
deg
mdeg