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Are the modules mounted correctly?
• If there is an unoccupied slot or I/O module between the CPU module and optional module
when the S10mini is used, the optional module does not operate properly. Mount the
optional module right next to the CPU module.
• Check that no set screws loosen.
Is grounding correctly?
• Do not ground the CPU link module in
the same place where high-voltage
equipment is grounded. They must be
grounded in separate places.
• Perform grounding work conforming to
class D grounding or higher.
Are LG and FG separated?
• Be sure to separate the LG from the FG
or vice versa because power noise
enters the FG via the LG. Failure to
observe this rule may result in an
equipment malfunction.
• Ground the LG at the power supply
side.
LG is here!
FG is over there!
6-7
6 MAINTENANCE
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