3 mdi operation, 4 feed hold – Yaskawa PC NC User Manual

Page 47

Advertising
background image

2 - 24

YASNAC PCNC Operating Manual Chapter 2: Basic Operation of YASNAC PCNC

1. In case of emergency, press the EMERGENCY STOP button on the machine operation

panel to stop the machine immediately.

2. It is possible to start a program half way in the memory mode operation. Locate the cursor

at the required start block by using the Run This button, and press the CYCLE START
button. For this operation, however, the modal G codes must be set before starting the pro-
gram.

3. In the memory mode, address search must always be executed by specifying “address +

nemeral”.

2.6.3

MDI Operation

Automatic operation is possible by inputting a program in the MDI mode. Follow the procedure
indicated below.

€ Select the MDI mode with the MODE SELECT switch on the machine operation

panel.

ó Enter the block of commands from the keyboard. For details of program entry

operation in the MDI mode, refer to 6.2, “MDI OPERATION JOB”.

ì Press the CYCLE START switch on the machine operation panel and the execution

of the entered program is started.

2.6.4

Feed Hold

The feed hold function suspends automatic operation temporarily. Follow the procedure indicated
below.

€ When the FEED HOLD switch on the machine operation panel is pressed while an

axis is moving, it stops after deceleration. The CYCLE START lamp on the machine
operation panel goes OFF and the FEED HOLD lamp lights.

ó After the completion of axis movement, the indicating lamp goes OFF.

1. If the execution of a drilling canned cycle is stopped halfway due to the single block

function, the FEED HOLD lamp automatically goes ON to indicate that the operation
is suspended during the execution of a drilling canned cycle.

2. The setting of the FEED HOLD switch is disregarded while a tapping cycle is executed

in the G84 mode.

3. If the FEEL HOLD switch is turned ON while M, S, T, or B* function not associated to

be completed although the FEED HOLD lamp lights immediately. After the completion

Advertising