May 30, 2024  
2023-2024 College Catalog and Student Handbook 
2023-2024 College Catalog and Student Handbook
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EMMT 1540 - Ladder Diagrams

Academic Division:

Business, Industry and Technology

Academic Discipline:

Electrical Maintenance

Assistant Dean: Vincent Palombo PhD
1 Credit(s)
A study of the practical knowledge required to maintain and troubleshoot industrial control equipment properly by locating and properly identifying the nature and magnitude of a fault or error. This involves the understanding of electrical components, their symbols, and their relationships. Emphasis is placed on reading and understanding elementary ladder logic circuit diagrams based upon electrical standards, and above all else, promoting safety. UG
3 Lab Hour(s)
Required Prerequisite Course(s): Take EMMT 1010  

Required Concurrent Course(s): Take EMMT 0011 ;

College Wide Outcomes
College-Wide Learning Outcomes Assessments - - How it is met & When it is met
Communication – Written  
Communication – Speech  
Intercultural Knowledge and Competence  
Critical Thinking  
Information Literacy  
Quantitative Literacy  

Student Learning Outcomes for Course
Outcomes Assessments – How it is met & When it is met

1. Identify control components by their schematic symbols.

Weeks 1-11 – Lab exercises, quizzes, midterm and final.
2. Identify logic circuits as a Boolean function. Weeks 1-3 Lab exercises, quizzes, midterm and final.

3. Install, test and troubleshoot various industrial control circuits using Ladder Diagram schematics.

Weeks 2 – 15 Lab exercises, quizzes, midterm and final.

4. Classify input devices as to their environmental control function, temperature, pressure, motion, flow, or light.

Weeks 2 – 15 Lab exercises, quizzes, midterm and final.

5. Identify logical control functions, such as latches, interlocks, timing, counting, or sequential using ladder diagrams.

Weeks 2 – 15 Lab exercises, quizzes, midterm and final.

6. Describe in detail the types of documentation used on a ladder diagram, such as, contact references, dashed and solid lines, component lettering, page references, and tables.

Weeks 2 – 15 Lab exercises, quizzes, midterm and final.


Standard Grading Scale
93-100      A

90 - 92      A-

87- 89       B+

83 - 86      B

80 -82       B-

77- 79       C+

73 - 76      C

70 -72       C-

67- 69       D+

63 - 66      D

60 -62       D-

00- 59       F

Statement on Diversity
North Central State College believes that every student is a valued and equal member of the community.*  Every student brings different experiences to the College, and all are important in enriching academic life and developing greater understanding and appreciation of one another. Therefore, NC State College creates an inclusive culture in which students feel comfortable sharing their experiences. Discrimination and prejudice have no place on the campus, and the College takes any complaint in this regard seriously. Students encountering aspects of the instruction that result in barriers to their sense of being included and respected should contact the instructor, assistant dean, or dean without fear of reprisal. 

*Inclusive of race, color, religion, gender, gender identity or expression, national origin (ancestry), military status (past, present or future), disability, age (40 years or older), status as a parent during pregnancy and immediately after the birth of a child, status as a parent of a young child, status as a foster parent, genetic information, or sexual orientation, 

Standard NCSC Course Policies
Important information regarding College Procedures and Policies can be found on the syllabus supplement located at this link



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