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4 handle mode operation faulty – Yaskawa i80M Maintenance Manual User Manual

Page 121

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4.3.3 CRT SCREEN DOES NOT DISPLAY

CRT screen may not display any data as a result of
trouble of CRT unit itself, display circuit and/or
connection cable.

If there is no display on the

screen even after the NC unit power is applied, check

to ensure that the wire is properly connectedto the NC
operator’s station, connectors are not loose, or fuse
inside CRT unit is not blown (referto Par. 4.3.11

9,

“CRT SCREEN IS DARK”).
Contact your YASKAWA representative, if the trouble can
not be located even after the above procedure.

4.3.4 HANDLE MODE OPERATION FAULTY

Cause of Trouble

HANDLE mode signal
not entered.

Axis selection signal
not entered.

Table 4.33

Check Method

1/0 signal #3000

= 1

Bit set to O ?
All other bits

(Do ,

,

through

)

must be set to O.

Check the mode indication in the

stationary display field on the screen.

Confirm that one optional axis of the
Following axes is entered:

[/0 signal #3070

D

O

= 1

1 (2nd-axis)

(3rd-axis)
1 (4th-axis)
1 (5th-axis)
1 (6th-axis)
1 (7th-axis)

1 (8th-axis)

For second handle

#3080

D

O

= (

(2nd-axis)

1 (3rd-axis)

D 3 = ( 4 t h - a x i s )

=

D 5 = ( 6 t h - a x i s )

=

( 7 t h - a x i s )

(8th-axis)

For third handle

# 3 0 8 1

D

O

= (

= (2nd-axis)

= 1 (3rd-axis)
= (4th-axis)
= (5th-axis)
= (6th-axis)
= (7th-axis)

= (8th-axis)

Solution

a

A

Select HANDLE mode.
Check mode switch wiring.

Select an axis.

Check the axis selection
switch wiring.

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