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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.
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Shop a large selection of manufacturers and product lines.
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
4.0
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
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4.7
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
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4.7
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
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4.6
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,
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4.9
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
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4.8
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
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4.6
IC695PSD040
The GE Fanuc Automation IC695PSD040 module is a power supply module. It operates with a voltage range between 18 and 33 Volts DC.
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5.0
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
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19 August 2026
ControlLogix Selection for High-Speed Manufacturing
General-purpose automation just cannot meet the demands placed on a control system by high-speed production. A vision-guided robotic cell that makes accept/reject decisions in less than two milliseconds, a packaging line that produces 1,200 units per minute, or a multi-axis servo system that coordinates ten simultaneous motion profiles are all unable to withstand the scan time variability, communication latency, or processing constraints that are acceptable on a typical discrete manufacturing line. A system that operates at line speed or one that becomes a bottleneck depends on the choice of processor generation, motion architecture, task structure, and communication topology within Rockwell Automation’s ControlLogix platform, which is specifically designed for this environment. This article discusses each of those selection decisions in the context of high-speed manufacturing requirements. Controllers that offer complex automation, integrated safety, motion control, and scalable...
17 August 2026
PLC Memory Limitations in Modern Applications
There was a time when PLC memory planning mainly consisted of counting I/O points, estimating the number of instructions, and making sure that the program would fit inside the controller’s memory. This approach worked when a PLC’s primary responsibility was reading switches, controlling outputs, and keeping a machine moving through a relatively simple sequence. Fast forward to modern facilities, and you will see that PLCs are asked to do a lot more. In addition to running the core program, modern PLCs may coordinate motion, communicate with dozens of devices, and retain maintenance data. Every function that a controller is told to do requires memory, even when it doesn’t add many visible rungs to the program. Because of this, sizing a PLC for its memory can be an easy oversight. While it may seem to have enough processing power and I/O capacity for an application, it can fall short on program memory, data memory, retentive storage, or even communication resources. PLC memory is...
14 August 2026
PLC Power Supply Stability and Its Impact
Modern industrial automation relies heavily on Programmable Logic Controllers (PLCs). PLCs are ruggedized, microprocessor-based industrial computers used to govern critical industrial processes across chemical processing plants, oil & gas systems, food packaging systems, water & wastewater treatment plants, manufacturing, and other industrial complexes. While control engineers and system integrators invest substantial effort into optimizing PLC control code, network configurations, and field input/output devices, a stable PLC power supply is equally vital for reliable system performance. Although PLCs are inherently designed to withstand harsh environmental conditions, such as vibration, extreme temperatures, and dirt, they do require a highly consistent power supply to function properly. An uninterrupted power supply prevents data corruption, logic errors, and catastrophic downtime in any PLC-controlled automation system. A stable PLC power supply readily converts variable line...