Mitsubishi Electric MELDAS 600M Series Instruction Manual page 403

(3) Precautions
(Note 1) to (Note 7) in sections (1) and (2) correspond to the following items.
1) The current limit value (%) can also be set with servo parameter "160014 SV014". The
2) The Abs posn set menu key on the Zero point set screen cannot be turned OFF on the
3) If "270005 No stopper" is "1", set it to "0" before setting "1 Ref position set".
4) Before carrying out zero point initialization, the Z-phase grid point must be passed once after
5) When the grid mask amount (zero point return parameter "150005 Grmask") is set and the
6) When carrying out initialization of the dogless-type absolute position, the reference point shift
7) When zero point initialization is carried out, the data required for absolute position detection is
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4. Absolute Position Detection
excessive error width can be set with servo parameter "160053 SV053".
screen. This menu will turn OFF when the power is turned ON again. Automatic operation and
zero point return cannot be carried out while this menu is ON. (An error will occur.)
the power is turned ON. If the grid point is not passed even once after the power is turned ON,
the message "AX0104 Some ax does not cross Z phase" will appear when the current limit is
reached. In this case, return one or more grid back, and repeat the procedures from step 6.
grid mask amount is larger than the distance from the machine end stopper to the grid point,
the next grid point will be the absolute position basic point.
1. 2. 3. 4. 5.
"150008 #1_rfp"
-
Basic machine
1st
coordinate system
reference point
zero point (G53 zero point)
amount (zero point return parameter "150003 G28sft") is invalid.
saved as parameters. Thus, back up the data.
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CHAPTER 3 MAINTENANCE
10. "270002
position offset"
7. "Machine end"
Grid point
Absolute position
basic point
III – 17
6.
8.
+
Machine
end
150005
Grmask