Daily Archives: November 8, 2017


MK-328 7

Introduction to the MK-328 Today, a new meter arrived in the mail.    This is the MK-328.    I’m very impressed with this meter for $17 on Ebay!    The meter will test many components such as diodes, LED’s, transistors, triacs, capacitors, resistors, MOSFETS, etc. At first, I was skeptical.  Read More »

Capacitor Test

Resetting Fuses (1756-OB16E)

Introduction to Resetting Fuses The 1756-OB16E module is an electronically fused output module.   For this reason, we must know the procedure for resetting fuses in the even that an overload condition takes place.    In summary, he 1756-OB16E has two electronic fuses.   The first fuse protects outputs 0 to 7.  Read More »

CIP Setup

Restart Lockout Logic

Introduction to Restart Lockout logic Whenever we have a a large motor, a lot of current is required to start the motor.    When the motor is pulling a large amount of current, heat is building up in the wingdings of the motor.  Hence, we do not want to allow Read More »

Next three rungs

Toggling bits in ControlLogix 3

Introduction to Toggling bits in ControlLogix Toggling bits in ControlLogix sounds very simple.    Specifically, you press a button one time, and an output energizes.   Subsequently, you press the button a second time, and the output de-energizes.   Henceforth, the process repeats infinitely. Although it sounds very simple, programming a bit Read More »

LatchUnlatch Method

ControlLogix Flashers

Introduction to ControlLogix Flashers ControlLogix flashers allow for an output to be energized and de-energized at a steady interval.    For example, if we have an alarm horn, you can add a flasher bit in series with the output.   The alarm horn will then energize and de-energize at regular intervals.  Read More »

FlipFlop Timers

ControlLogix Documentation

Introduction to ControlLogix Documentation ControlLogix documentation helps you to better understand the purpose of each rung and tag in your project.  Even though Aliases are available in ControlLogix, the alias names are limited to 40 characters.   When you download your project, Alias names are also downloaded to the processor.    Read More »

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