Yaskawa i80M Connecting Manual - Manual (Page 141)

High-speed Method
When reference return is effected once in the high-speed zero return mode (automatic/manual),
subsequent reference return is effected so that positioning is accomplished relative to the re-
ference point determined in the first reference return.
SPEED RAPID TRAVERSE
SPEED SEQUENCE
Note :
With an appropriate parameter (Pm 4003), it is possible to use the
method for the
second and subsequent reference return operations.
Fig. 9 Second and Subsequent Reference Return
speed) Operations after Power ON
Second Reference Return #30071) Input
This is the manual second reference return input in cases where the second reference return
feature is optionally added. The operations are basically the same as the manual reference re-
turn operations.
Reference Point (ZPX-ZP5 #36300-# 36304) Output
The ZPX to ZP5 outputs are closed while the control axis is remaining within pulses of the
reference point after completion of reference return or reference positioning setup.
(5) Second Reference Point (2 ZPX-2ZP5 #3631O-#36314) Output
When part program command G30 is executed in the automatic operation mode to position the
machine at the second reference point, the second reference point output is
closed.
Third Reference Point (3ZPX-3ZP5 #36320-# 36324) Output
When part program command G30P3 is executed in the automatic operation mode to position
the machine at the third reference point, the third reference point output (3 is closed.
Fourth Reference Point (4 ZPX-4ZP5 # 36330-# 36334) Output
When part program command G30P4 is executed in the automatic operation mode to position
the machine at the fourth reference point, the fourth reference point output (4
is
closed.
20.2.26 EDIT LOCK #30072) INPUT
This input prevents the contents of the control part program memory from being changed.
When the LK input is closed, the and key operations and
external data storage operations in the program edit mode are disregarded. If an attempt is
made to perform editing a warning message appears to indicate that editing is prohibited.
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