Allen Bradley PLC Repair

Allen Bradley is the flagship brand of Rockwell Automation, the largest company dedicated to industrial automation. It is widely recognized in automation industrial devices and the integrated control systems sector.

Our knowledge of AB industrial devices is extensive and continues to grow. Over the years, we have worked on numerous product lines and are confident that we have the greatest ability to repair a non-functional industrial device.

Control Concepts can provide emergency repair service 24/7 for all your Allen Bradley repair needs.

Fun Fact: The Allen-Bradley Company began as the Compression Rheostat Company. The name was changed in 1909; six years after Dr. Stanton Allen and Lynde Bradley founded it.

What Is a Programmable Logic Controller?

A programmable logic controller (PLC) is a miniature industrial computer (CPU) that contains the hardware and software for the automation of industrial electromechanical processes of machinery in factory assembly lines, amusement rides, and food processing.

You can program multiple digital and analog inputs and outputs (I/O interface system) with…

  • Extended temperature ranges
  • Immunity to electrical noise
  • Resistance to vibration and impact

PLCs Run a Four-Step Operational Process in a Repeating Loop

  1. Input Scan: Looks for all connected input devices
  2. Program Scan: Executes user-created program logic
  3. Output Scan: Runs or shuts off all connected output devices
  4. Housekeeping: Communicates with programming devices and performs internal diagnostics

What Can You Attach to a PLC?

All types of sensors and output devices, for example:

  • Proximity or photoelectric sensors
  • Limit switches
  • Pushbuttons 

Choosing a Controller

Select the right controller for the job by determining ahead of time what you need your system to do and the specifics about the system itself.

Here are just a few of the questions to ask when you are deciding on a controller for your next system.

  • Is it a new system or an existing one? How old is it?
  • What is the environment like where the system will be installed? Is it hot, dusty, or full of vibration?
  • How many discrete devices does your system have? Are they AC components or DC components?
  • How many analog devices are there?
  • Will your system require any special features such as a real-time clock or high end positioning?
  • How much memory does the CPU need to run the system efficiently?
  • Where will the I/O be located? Will it be local only or local and remote?
  • Will the controller be communicating with other systems or networks? Will it need to communicate with field devices?
  • Does your system require traditional programming instructions or are special instructions needed?

Each of these questions examines a distinct set of requirements to guide you to the right controller for the job.

The Repair Process

Control Concepts has over 30 years of experience in programmable logic controller repair, service, and support. 

Common PLC Repair Requests

  • No communication
  • No I/O indicators
  • Alarm indicator
  • I/O failure
  • No Power indicator
  • No Run Light indicator

Our Three-Step Service Process

  1. Electrical installation 
  2. Onsite testing
  3. Field modifications (if needed) 

Our test equipment can run all input-output modules through their operations, including analog input/output, digital input/output, communications, ASCII, or special function module. All PLCs and modules are thoroughly tested over their full functional range.

Control Concepts provides 24/7 service and support. Call us for more information or to schedule service. 

 

 

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