(3) Checking Functions After Replacement
(a) Check that
+5V,
*
12V, and
+24V
outputs are not
shorted due to overloading.
(b) Check that 200VAC input is in the range from 170
to
253VAC.
(c) Check that 200VAC is supplied with SOURCE lamp
on.
(d) Check that upon the first application of power to
the NC, each output is output normally and the
alarm indication lamp (red) is off.
Normal value:
+5V
4.75 to
5.25V
+12V
11.87 to
13.12V
-12V
-11.87 to
-13.12V
+24V
20.4 to 27.6V
(e) Check that the NC operates normally upon
application of the second power to the NC.
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