Which one of the following SLC 500 counter statements is NOT true?
A) Additional counters are available in the user defined file area.
B) 1000 counters are available in file C5.
C) Counters are virtual software devices, so the number is only limited by PLC memory.
D) File, C5, is used for all counters, and File ID numbers are unique.
B
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The compressor ina system operating with noncondensable gases:
A) Runs cooler than normal. B) Makes a whistling noise when it shuts off. C) Runs hotter than normal. D) Has an unusually low amp draw.
As you move to the right or left along a constant pressure line in the saturated liquid area, what happens to the temperature?
What will be an ideal response?
Which PLC supports double integers?
A) RSlogix50 B) PLC 5 C) ControlLogix D) SLC 500
Layers for the foundation and floor framing information should start with a prefix of ____.
A. DIM B. ANNO C. OUTL D. FNDN