Yaskawa i80M Connecting Manual User 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

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

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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