MAINTENANCE MANUAL
207
STE 85357
9) Using four (4) sems screws (M3 x 8), secure each of the new switching power
supplies to the main body.
Note) The PS1 and PS2 switching power supplies have the same installation
pitch. Never install the PS1 and the PS2 upside down or right and left in reverse.
10) Attach a cable to each of the PS1 and the PS2. (See Fig. 4.10.)
Note) On the PS1, connect the DC cable (red) to the DC side and the AC cable
(black, indicated as PS1) to the AC side and, on the PS2, connect the DC cable
(blue) to the DC side and the AC cable (black, indicated as PS2).
11) Insert the removed interior panel unit into the controller, and then secure it with
one (1) countersunk screw (M3 x 6).
12) Connect the DC cable (blue and red), the SVIF cable (blue) and the encoder
cable (blue) to the X8YC (main board) and, also, connect the hand I/O cable
(blue) and the brake cable (blue) to the X8YX (I/O board). (See Fig. 4.7.)
13) Mount the cover to the main body using eight (8) countersunk screws (M3 x 6).
5.3.5
Replacement of Fuse (X8YX Printed Board)
If the current exceeding the specified current has run through the I/O unit, the fuse of
the front of the controller is blown out. If the alarm sayi
ng “I/O Fuse Broken (8–273)”
is displayed, replace the fuse with a new one.
If the fuse of the output module has been blown out, examine and identify a fault
circuit, remedy the cause, then replace the fuse.