A-6100: ALLEN-BRADLEY ControlLogix Programmable Controllers Intermediate Maintenance & Troubleshooting

Course Description

This 32-hour, 4-day training program is designed to be the “next step” in building competence around the troubleshooting and maintenance of the Allen-Bradley ControlLogix Programmable Controller Systems. The first day is dedicated to reviewing and practicing the skills developed in our A-6000 class. This course will provide students with a deeper understanding of the topics covered in the Fundamentals class. Students will improve their troubleshooting skills by learning to program ladder logic projects from functional specifications rather than merely understanding ladder logic provided to them. The course is designed to be a deep dive into the most common ladder logic instructions, a challenging approach to deciding which instructions to use in projects they create and meet the criteria spelled out in the hands-on exercises. This deeper understanding of the instructions and how they function will enhance the end users troubleshooting efficiency.

Topical Outline

  • Review Fundamentals of ControlLogix Maintenance & Troubleshooting
  • Intermediate Ladder Logic Instruction Utilization & Interpretation
  • Additional Intermediate Ladder Logic Instruction Utilization & Interpretation
  • Troubleshooting ControlLogix Projects


  • Know & understand the relationships between Controllers, Chassis, Power Supplies, IO Modules, Terminology, Indicator Lights, Key Switch
  • Recognize & understand Common Communication Modules
  • Be able to use status indicator lights on controllers and I/O modules to troubleshoot ControlLogix hardware
  • Be able to use RSLinx, RSWho, Communication Drivers, Set IP Addresses
  • Create a ControlLogix project from scratch
  • Be able to interpret and use Digital & Analog Base Tags, Alias Tags
  • Know when to use (and how to find/monitor/edit) Controller Scoped vs. Program Scoped Tags
  • Use correct Data Types & Data Structures with ladder logic tags
  • Create and use Tasks, Programs, Routines
  • Program & Troubleshoot Bit Level Ladder Logic (XIC, XIO, ONS, OSR, OSF, OTL, OTU) Instructions
  • Program & Troubleshoot Ladder Logic Timer Instructions (TON, TOF, RTO, RES)
  • Program & Troubleshoot Level Ladder Logic Counter Instructions (CTU, CTD, RES)
  • Program & Troubleshoot Data Transfer Ladder Logic (MOV, MVM) Instructions
  • Program & Troubleshoot Boolean Ladder Logic (AND, OR, XOR, NOT, CLR) Instructions
  • Program & Troubleshoot Mathematical Ladder Logic (ADD, SUB, MUL, DIV, MOD, SQR, NEG, ABS, TRN, CPT, FRD, TOD, DEG, RAD) Instructions
  • Program & Troubleshoot Comparison Ladder Logic (EQU, NEQ, LES, GRT, LEQ, GEQ, LIM, MEQ, CMP) Instructions
  • Program & Troubleshoot Program Control Ladder Logic (MCR, JSR, SBR, RET, AFI) Instructions
  • Program & Troubleshoot Data Exchange Between Controllers (Produce, Consume, MSG)
  • Program & Troubleshoot System Instructions (GSV, SSV)
  • Effectively Use Software Utilities (Searching, Bookmarks, Trending, Toggling, Forcing)
  • Utilize Predictive & Preventative Maintenance Measures
  • Identify and Resolve Common Controller Faults
  • Use & Interpret Fault Routines Effectively
  • Identify Root Cause of I/O Connection Errors and Problems.

Program Software

Training utilizes Rockwell Software Studio 5000 Logix Designer, Microsoft Windows.


Completion of Intellect Controls Group A-6000: Allen-Bradley ControlLogix 5000 Basic Maintenance & Troubleshooting Course (or equivalent ControlLogix experience & knowledge).



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