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E-25-7-E
24
9.2 Construction of Internal Assembly
The internal assembly of this controller consists of three boards – display board, power supply board, and
output board. The power supply board and output boards are individually coupled with connectors CN and
CN2 to their mating connectors CN and CN2 on the display board. The rear panel has terminal blocks for
external connections. (For details of the terminal blocks, see Sections 5.3 and 5.4.)
Display board
Front panel
Interconnect cable unit
Output board
Power supply board
Rear panel
Guide slot to hold the boards
(top and bottom)
Terminal block
(9-16)
Terminal block (17-22)
Terminal block (1-8)
Fitting screws (a total of 4)
Frame
Fig. 9.2
9.3 Removal of Internal Assembly
Remove the controller from the mounting panel before its internal assembly is removed.
CAUTION: Be sure to remove power before you work.
Fig. 9.3
Long screw
Fig. 9.4
Front panel
Display board
Separate.
➀
Take off long screws at back of the controller.
➁
Separate the front panel (display board) from the
housing.
NOTE
※
:
Since the power board and output board are
connected with interconnect cable unit, slide
both of them out of the frame when you remove
them.