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FX-3R Maintenance Guide 12-39 Rev. 1.00 <Replacing the MPC> c Disconnect the power connector and Ethernet cable from the MPC. d Remove the fixing base set screws c . e Remove the screws d securing the MPC to replac…

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FX-3R Maintenance Guide
12-38
(3) Replacement procedure
1) Replacing the MPC and HUB
The MPC and HUB are assembled into the HUB BOX mounted at the position shown below.
First, disconnect the cables from the HUB-BOX.
HUB-BOX mountin
g
p
osition
Front of machine
Figure 12-3-1 Top View of Machine
Remove the cover set screws from the HUB BOX to detach the cover. You can see that the
MPC and SWITCHING HUB are assembled as follows.
40073032 MPC
40073033
SWITCHING HUB
Figure 12-3-2 HUB-BOX
Rev. 1.00
FX-3R Maintenance Guide
12-39
Rev. 1.00
<Replacing the MPC>
c Disconnect the power connector and Ethernet cable from the MPC.
d Remove the fixing base set screws c.
e Remove the screws d securing the MPC to replace the MPC.
f After the MPC has been replaced, reassemble the components in the reverse order of
disassembly.
At this time, remove the dust-proof cover from the MPC Prog terminal before replacement
and mount it on a new MPC that has been changed.
g Follow the steps stated in “Appendix A, Setup Instructions” of “Instruction Manual for Intelli
SCS” to register the MPC.
<Replacing the SWITCHING HUB>
c Disconnect the Ethernet cable from the HUB and the power cable from the power terminal
block.
d Pull the part A in the direction indicated by an arrow to detach it from the part B shown in the
Figure.
e After the SWITCHING HUB has been replaced, reassemble the components at their original
positions in the reverse order of disassembly.
f Detach the dust-proof cover that protects the blank port of the HUB before replacement and
mount it on a new HUB after completion of the replacement.
Figure 12-3-2 Replacement of Components inside HUB-BOX
A
B
c
c
d
Power terminal
block
Dust proof cover
FX-3R Maintenance Guide
12-40
When mounting the cover again, assemble the cable as shown in the Figure so that it does not block
the cover window. Make sure that the LED lamps can be seen through the window.
Cover window
Figure 12-3-3 Cover Window
Rev. 1.00