Free UPS Ground on All Orders!
+1 (919) 205-4392
Shelves with automation parts

Millions of automation parts delivered tomorrow

Save money on downtime with the most trusted leading experts in automation replacement and repair.

Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
Learn more

Availability

Millions of parts are available for same-day shipping and next-day delivery.

Expertise

45+ years of experience to help you find an ideal replacement or repair solution.

Warranty

We stand behind our quality by offering a complimentary 2-Year DO Supply Warranty on all products.

About us

DO Supply is a global leader in replacement parts for industrial automation equipment. Our mission is to elevate the standard of expert support, speed, and reliability for your need-it-now automation replacement and repair needs. Whether it's PLCs, drives, motors, HMIs, or more, you can count on us for the best service and fastest solutions.

Technician working on a part
45+ years of experience
15k+ satisfied customers served so far
Boxes on a shelf

Buy now

Shop with confidence knowing that we offer fast shipping and best-in-class customer service. Explore our large inventory of in-stock automation parts backed by the guarantee of a 2-year DO Supply Warranty.

Explore catalog

Repair

Save money on getting your automation parts repaired for less, backed by our 2-year DO Supply Warranty. We offer quality repairs at the best prices, carried out by expert technicians.

Get started
Repair bench

Sell

We want to buy your industrial automation surplus equipment, including PLCs, drives, motors, HMIs, and more.

Get started
A cart full of automation parts

Manufacturers

See all

Shop a large selection of manufacturers and product lines.

IC693CPU374
IC693CPU374
This CPU module supports Ethernet communication and is equipped with services for PLC programming and configuration. It operates at a processor speed of 200 MHz and includes one IP address with two RJ
In Stock Ships Today
4.5
IC200CHS022
IC200CHS022
Belonging to the Versamax series, this box-style I/O carrier supports mounting for a single I/O module. It accommodates 36 terminals, with options for solid or stranded wire configurations. The module
In Stock Ships Today
4.7
IC200EBI001
IC200EBI001
This ENIU features support for slave applications and various I/O module control tasks, equipped with five status LEDs for real-time monitoring. It can be mounted on DIN rail and connects power direct
In Stock Ships Today
4.7
IC695CPE305
IC695CPE305
The IC695CPE305 RX3i CPU is a central processing unit manufactured by GE Fanuc. It comes with a single slot, 8 local racks, 5 MB of user memory, 1.1 GHz of processor speed, and RS-232 embedded serial
In Stock Ships Today
4.6
IC695CHS012
IC695CHS012
This universal backplane accommodates up to 12 slots and is compatible with various power supply types, including AC and DC. It features provisions for both expansion and remote backplane connections,
In Stock Ships Today
4.9
IC200CPUE05
IC200CPUE05
This CPU supports Ethernet communication at a data rate of 10 Mbps and includes two serial ports with RS-232 and RS-485 options. Configuration is flexible with a memory capacity of 128 KB, and the mod
In Stock Ships Today
4.8
IC200PNS001
IC200PNS001
The GE Fanuc IC200PNS001 module is a PROFINET Scanner (PNS) module from the Versamax series. It has a power consumption of 0.6 Amps at 5 Volts DC and two 10/100 Mbps copper shielded RJ-45 media connec
In Stock Ships Today
4.6
IC693CPU364
IC693CPU364
The IC693CPU364 module is a CPU module with an Etherent interface. The IC693CPU364 module is compatible with the GE Fanuc Series 90-30 PLCs.
In Stock Ships Today
4.7
IC695ETM001
IC695ETM001
The IC695ETM001 module is an Ethernet module. The IC695ETM001 module enables RX3i PacSystems series devices from GE Fanuc to interface with VersaMax, Series 90, and other RX3i series GE controllers ov
In Stock Ships Today
4.7
View more products
Technician working on a part

World-leading automation parts availability

Surplus Allen Bradley, GE, Fanuc, Emerson, Eaton, Mitsubishi, Omron, and more.

Testimonials

4.99 /5.0
Recommended
4.99 average / 1399 reviews

Latest updates from the experts

Discover insightful industry knowledge

15 July 2026

Safety Considerations in DC Drive Systems

Safety is the foundation of hazard-free and reliable industrial applications. DC drives operate at hazardous current and voltage levels to regulate the field current and armature voltage, thereby precisely controlling motor speed, torque, and direction. Therefore, strict adherence to established electrical safety protocols such as proper grounding, isolation, and Lockout/Tagout (LOTO) procedures, as well as compliance with IEC 61800-5-1 standards, is essential in DC drive systems. It helps isolate dangerous voltages and minimize arc flash hazards, protecting both personnel and machinery from catastrophic electrical faults. This article provides a detailed technical analysis of the essential safety considerations for designing, operating, and maintaining DC drive systems. A DC drive system is an electronic motor controller designed to regulate the torque, speed, and rotational direction of a DC motor. It achieves this by actively modulating the current and voltage applied to the...

13 July 2026

Selecting the Right ControlLogix for Retrofit Projects

A new installation is not the same as a retrofit project. The selection logic for a ControlLogix processor must take into consideration elements that are absent from a greenfield project, and the risks and constraints are different. A processor must fit into a panel sized for a PLC-5 or SLC 500 chassis, communicate with devices never intended for EtherNet/IP, coexist with existing wiring, and be maintainable by a team that has worked on RSLogix 500 for years. A predetermined set of technical criteria must be followed to make the proper choice. That approach is covered from the start in this article. The first task on any ControlLogix retrofit is documenting the full scale of the legacy system, not just the I/O count, but everything the existing controller manages. A practical first pass is to group the 5580 processors by memory class: 1756-L81E for smaller systems, 1756-L82E or 1756-L83E for moderate retrofits, and 1756-L84E or 1756-L85E for larger PLC-5 migrations, high tag counts...

10 July 2026

How Cable Length Affects AC Drive Performance

To the untrained eye, wiring a motor to an AC drive, more commonly known as a variable frequency drive, may seem like a simple job of plugging the motor in and routing the wiring to make it look clean. The length of the wires might not even be a concern, because in an ideal world with ideal resistance, it wouldn’t. The problem is that we live in a less-than-ideal world, and the rules of physics are nonnegotiable. Whether it’s traces on a PCB or wires during a motor install, the longer the connection point, the higher the resistance, heat buildup, and voltage drop. This matters more than you might expect when it comes to installing AC drives. Before getting into it, if you would like to familiarize yourself with how an AC drive works, check out this article here ! The inherent design of an AC drive is to output fast voltage pulses rather than a clean sine wave. Each time the AC drive switches, a voltage pulse travels down the motor cable to the motor. With a shorter cable, the pulse...