1-919-535-3180 | 1-800-360-6802

GE / IP FANUC Series 90/30 In Stock

World's Largest Warehouse

of GE 90-30, Genius, and RX7i



Mon-Fri 8AM-5PM EST


Archive for the ‘Automation’ Category

More Posts

Troubleshooting Tutorial: Common SLC 500 Faults – Part 1

I. Introduction Programmable Logic Controllers (PLC) such as Allen-Bradley’s SLC 500 Modular or Fixed style hardware are designed with capability of self-diagnostics. With Self-diagnostics, the controller is able to detect the operational status of every member module and report this externally through varying behavior of built-in LED indicators and internally via the diagnostic buffer. II. […]

Read More

HMI vs. IPC: What’s the Difference?

Differences Between HMI and IPC             It is not a surprise that some people may be confused at the moment of choosing a monitoring system between Industrial PCs and HMIs. Apart from the technical differences, both devices look a lot alike despite of being quite different. Besides, both devices are fairly common in industrial environments […]

Read More

PLC vs DCS: How to Choose?

This might be one of the most common questions between automation engineers and technicians that are starting their way into the industry: “What is the best option for my project? A PLC or a DCS?” Well, as with everything else in the field of automation, it depends. But in the case of PLCs and DCSs, […]

Read More

PLC vs PAC vs IPC: What is the difference?

Sometimes, it can be difficult to clearly understand the differences between PLCs, PACs and industrial PCs because, at the end, all of them are used for the same purpose, controlling a process, but they all do it in different ways. Some people even think that these three systems compete with each other, but they are […]

Read More

Analog PLCs: Voltage vs Current

            Programable logic controllers (PLC) are devices known to be completely digital, and, usually, digital devices are very easy to understand in the electrical side of things, they work with binary language, 1 and 0, true and false, reference voltage and ground, and this is true even today. But then, how do they have the […]

Read More

Next Page »

PDF Electric & Supply Inc. sells new, new surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with PDF Electric & Supply Inc. and not the manufacturer. PDF Electric & Supply Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products. The products listed on this website may vary as to their country of origin; the accessories, and other items included with the product; and the language used on the packaging, the parts, and any related instructions or printed material related to the products. This website is not sanctioned or approved by any manufacturer or tradename listed. Designated trademarks, brand names and brands appearing herein are the property of their respective owners.