(b) Check that the ROM number and label contents of
the replacement module are the same as those of the
module to be replaced.
(c) Insert the module in line with the guide of the NC
rack and tighten mounting screw.
(3) Checking Functions After Replacement
(a)
(b)
(c)
(d)
Check that +5V,
~
12V, and
+24V
outputs are not
shorted due to overloading.
Check that the initial screen is displayed by
applying the first power to the NC.
Store the ACGC application programs copied in
advance.
After turning power off,
apply the first power and
second power again and check that no alarm occurs.
177
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