Starting Up The Absolute Position Detection System - Mitsubishi Electric MELDAS C6 Instruction Manual

4.3 Starting Up the Absolute Position Detection System

The zero point must be initialized before the absolute position detection system is started up. The
coordinate system is established and operation is enabled when the zero point is initialized.
(1) Operation when absolute position is not established
If the zero point has not been initialized even once or if the absolute position is lost, the following
alarm and non-initialized axis will be output. The coordinate system is not set in this state, so the
limits given in following table will be applied to each mode. Initialize the zero point and establish
the coordinate system.
Memory/MDI
Jog feed
Rapid traverse
Handle
Step
Zero point return Starting not possible (Note 2)
(Note 1) The program error "P430 AXIS NOT RET." will occur.
(Note 2) If the axis is started before the absolute position is established, the error "M01
(2) Selecting the zero point initialization method
Select the zero point initialization method with the following parameter.
#2049 type 1: Dogless-type Machine end stopper method
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4. Absolute Position Detection System
4.3 Starting Up the Absolute Position Detection System
Alarm: Z70 ABS. ILLEGAL
Z71 DETECTOR ERROR
Operation in each mode
Operation
mode
Dogless-type
Movement command invalid
(Note 1) (Including G28)
Valid
Valid
Valid
Valid
OPERATION ERROR 0024" will occur.
(This is valid for an axis for which the absolute position has been established.)
2: Dogless-type Marked point alignment method
3: Dog-type
search engine
Absolute detection method
Movement command invalid
(Note 1) (Valid for G28)
Valid
Valid
Valid
Valid
Starting possible
III - 17
Dog type