FP0 HardwareTrial Operation
10-2
Matsushita Electric Works (Europe) AG
10.1 Before Turning ON the Power
After wiring, be sure to check the items below before turning ON the power supply to
the programmable controller.
Item Description
Unit mounting status
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S Does the unit type match the device list during the design stage?
S Are all of the units firmly attached?
Power supply
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S Is operating voltage supplied correctly?
S Is the power supply cable properly connected?
S Are both voltage and polarity connected correctly for each
connection?
S Protection against excess current: when overloaded, output voltage
lowers. Although the output voltage will return to normal when the
load returns to normal, be careful as long overloads or shortcircuits
will cause deterioration or destruction of internal elements. (see
note)
S When output voltage decreases due to a generation of excess
voltage within the power supply, turn off the AC input for at least
one minute. After that turn the input on again. (see note)
S Attaching additional power supply units in parallel is not allowed! It
may destroy internal elements and the load of the power supply.
(see note)
Check input/output terminals
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ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ
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S Does the wiring of connector and terminal match?
S Is the operating voltage of I/O correct?
S Are the connectors of I/O properly connected?
S Is the wire size correct?
Setting of control unit
S Is the mode switch set to the PROG. mode?
Note
These precautions concern the FP0–PSA2 power supply unit
specifically.