YASKAWA YASNAC i80 Maintenance Manual page 176

6.1 NC RACK (Cent'd)
6.1.12 MODEL JANCD-FC250-I ,2 (MOTION BOARD)
(1) Removal
(a) check that AC input power is not supplied [the
(b) F"~lC;3;
(c) Loosen the mounting screw in the
(2) Installation
(a) Check the model and REV number of the replacement
(b) Check that the ROM number and label contents of
166
SOURCE indication lamp (green) of the power unit
cables connected to CN26, CN27, CN34,
.
the module from the NC rack.
module for consistency.
the replacement module are the same as those of
the module to be replaced.
figure
and remove