Yaskawa i80M Maintenance Manual User Manual

Page 198

6.2

MACHINE CONTROL STATION (Cent’d)

6.2.1.5 KEYBOARD (MODEL DF8203788)

( 1 )

(a)

Check that AC input power is not supplied [the

SOURCE indication lamp (green) of the power unit

is off], then pull out cables connected to CN21,

CN25,

and CN29 of model

(b) Loosen the mounting screws of model

and remove model

from the control

panel,

CNA,

CNB, and CNC of model JANCD-FC900B.

(d) Loosen the mounting screws and remove model JAN CD-

FC900B from the control panel.

(e) Loosen the mounting screws and remove the keyboard

from the control panel.

(2) Installation

(a) Check the model and REV number of the

replacement module for consistency.

(b) Install keyboard on the control panel.

(d) Connect the cables to

CNA, CNB, and

CNC of model JANCD-FC900B.

(e) Install model

on the control panel.

(f) Insert all remaining cables to the original

positions.

C h e c k i n g F u n c t i o n s A f t e r R e p l a c e m e n t

(a) Check that

and

outputs are not

shorted due to overloading.

(b) Apply the first power and second power again and

check that no alarm occurs.

(c)

that keys on

control panel can be

operated and the buzzer sounds.

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