Industrial Maintenance Tech (PLC & Drives)

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The Maintenance Technician is tasked with maintaining manufacturing equipment, conducting both preventive and reactive maintenance. They will perform equipment repairs based on management's requests and priorities, work on PLCs, and document all activities in the work order module.

Responsibilities

Work efficiently with Maintenance Coordinator to ensure proper spare part min / max and reorder levels, PM documentation, part purchases, and crib organization

Approve PM activities by completing work orders, attaching parts, and updating and closing work orders

Provide operator equipment training when needed

Ensure drawings, programs and manuals are accurate, available and complete

Ensure that all effected associates are not only aware of work performed, but are working safely together as well

Identify areas for improvement and work to plan improvement projects with management and safety committee

Use mechanical knowledge and math formulas to calculate force, and change gear / drive ratios to properly size components, etc.

Examine problems to determine root cause of failure and devise permanent solutions

Read and interpret ladder logic symbols, basic power and control logic flow, symbols and notation, and normally open vs. normally closed

Use schematics to troubleshoot, repair, modify and upgrade circuits

Have a good understanding of the following with regards to PID control : proportional, integral and derivative. Make adjustments to a PID loop and understand the effects of making adjustments

Perform ampacity calculations to determine wire sizing

Understand how to select overcurrent protection, power supplies, contactors, etc.

Understand the effects of heat on systems

Apply basic knowledge, tools, and concepts to troubleshooting electrical circuits using tools such as digital VOM, ammeter, megohmmeter, and phase sequence tester

Troubleshoot in a consistent, logical and methodical way to determine the root cause of the failure, before replacing components

Understand how to read IO physically. Read and interpret digital, analog and temperature (thermocouple) inputs

Understand the differences between mA, mV, and volts as they relate to the PLC’s analog IO

Ability to connect to various PLC’s, get online and read register data, force IO, upload and download programs, reassign IO, and make basic program modifications

Understands the following : drive / motor operation, mechanical starters, single phase motor operation, 3 phase motor operation, overloads, and single phasing

Understand the theory of DC motors and drives. Know the difference between armature and field. Know the functions of speed reference, armature vs tach feedback, and drive adjustments such as current limit, min and max speed. Understand the different between permanent magnet and separately energized fields

Setup a new analog or digital DC drive for basic operation

Set up a new AC VFD for a basic application. Know when to select different control methods and how to apply them

Basic understanding of speed reference, encoder feedback, and frequency control

Interpret basic hydraulic and pneumatic schematics and symbols used

Identify and explain how individual parts work together and function as a complete hydraulic system

Use basic hydraulic and pneumatic knowledge to troubleshoot issues such as leaks and worn or malfunctioning components

Demonstrate superior workmanship and set the standard for quality workmanship for fellow associates

Perform additional duties as assigned by management

Qualifications

Education

• Two year technical degree

Experience

Knowledge, Skills, Abilities

Essential Functions