Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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4.a. What is the name of the nonprogrammable timer that is used to check the internal operation of the PLC?
A. Housekeeping
B. Scan
C. Watchdog
D. System
4.b. Which one of the following terms is used to define the identifying letters placed above an input contact in
ladder logic?
A. Surname
B. Title
C. Statement
D. Locator
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- Industrial Motor Controls 14.a. Single sweep operation of a PLC is normally used toA. produce an output when a timer reaches preset value.B. issue a RUN command to the PLC.C. create a negative transition output coil.D. debug newly written ladder logic.14.b. A photoeye will have which of the following abbreviations?A. PHOTOB. PEC. PHEYED. PEYEarrow_forwardDetermine the LED “on” current for the circuit above. Assume the logic “on” voltage is 5 volts, V(LED) = 2.0 volts and VCE(sat) = 0.4V.arrow_forwardDiscuss the Basic Operation of the PLC (Programmable Logic Controller)arrow_forward
- 3 Determine the current flowing I, given that the D1 is a Silicon type diode (Non-anonymous question) * 2 ΚΩ www R E₁ = 24 V D₁ D₂ E₂=4 Varrow_forwardFamiliarized and understand the PLC Basic Operation and draw an illustration that explains its processarrow_forwardWrite a Ladder Logic PLC program for each of the following scenarios. Label all contacts and coils in the PLC program.arrow_forward
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