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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
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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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31 August 2026
Understanding DC Bus Voltage in PowerFlex Drives
In PowerFlex variable-frequency drives (VFDs), the DC bus functions as the internal power bridge and electrical reservoir between the AC input rectifier and the output inverter stage. Once the incoming AC line voltage is rectified, the DC bus capacitors smooth and stabilize the resulting DC bus voltage by reducing voltage ripple, thereby delivering a steady DC supply to the inverter. They also temporarily absorb the regenerative energy produced during overhauling-load conditions or motor deceleration, reducing rapid voltage fluctuations and improving energy efficiency. This article provides a comprehensive overview of the fundamentals of DC bus voltage in Allen-Bradley PowerFlex drives. Knowledge of pre-charge drive operation, DC bus capacitors, shared DC bus configurations, DC bus regulation, regenerative energy management, and common DC bus-related faults enables engineers and maintenance personnel to maximize the reliability of PowerFlex drives, improve overall system performance...
28 August 2026
Why Input Reactors Can Save Thousands in Drive Repairs
Modern motor control relies heavily on variable frequency drives, yet the components that safeguard them are often the first to suffer budget cuts. Line reactors, also known as input reactors, are often seen as optional add-ons rather than necessary safety measures. The electrical mechanics underlying reactor protection, the failure types that reactors avoid, and the cost justification for implementing them on each drive installation are all discussed in this article. In simple terms, an input reactor is a three-phase inductor placed between a drive’s input terminals and the incoming AC power source. Its purpose is surprisingly straightforward: it increases the line’s impedance. In a drive environment, this impedance smooths out the abrupt current spikes that occur each time the drive’s rectifier bridge charges its DC bus capacitors, as it resists rapid current changes. Drives convert incoming AC to DC using an SCR bridge rectifier or diode. Because the current is drawn in brief...
26 August 2026
The Most Overlooked Parameter Settings in PowerFlex Drives
Teams with short timeframes set up Rockwell’s PowerFlex drives every day, and most of that work only touches the handful of parameters needed to make a motor spin: voltage, frequency, and a start reference. Once the motor turns, the commissioning checklist gets signed off, and everyone moves on to the next job. But PowerFlex drives feature dozens of secondary parameters that regulate efficiency, thermal load, fault tolerance, and lifespan. When these are left at their defaults and never reviewed, the drive still runs, but often well below its capabilities. Factory settings on a PowerFlex drive exist for one reason: broad compatibility. They are built to work across a wide range of motors and applications, which means they are rarely ideal for any single fixed installation. A default acceleration ramp, carrier frequency, or stall timer is enough to get a drive running. Still, it won’t match the thermal properties of a specific motor, the inertia of a specific load, or the electrical...