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Schneider Electric AS-P890-300

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MANUFACTURER: Schneider Electric 



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2 Year warranty

Part NumberAS-P890-300
ManufacturerSchneider Electric
TypeI/O Modules
Model #ASP890300
Warranty2 Year
Remote I/O CablingCoaxial cable 75 ohm
Remote I/O ConnectorF-Type
Remote I/O Communications Rate1.544 MHz
Power supplied to I/O+5VIO, 7A max* +4.3V, 6A max* -5V, 0.5A max *The +5VIO and +4.3V combined cannot exceed 7A.
Power Requirements115VAC, 1.1A, 50/60Hz 230VAC, 0.65A, 50/60Hz 24VDC, 4A
Power Loss Hold up time1 cycle AC loss 1ms @ 24VDC
Inrush Current30A @ 115VAC 25A @ 24VDC
I/O scan timeLess than 5ms for 256 I/O points
RIO comm link timeLess than 1ms for 256 I/O points

Our Repair Services

MRO Electric repairs CNCs, PLCs, Servo/Spindle Drives, Motors, Amplifiers, VFDs, HMIs, and more, most of which can be repaired in only 3-5 days.

Repair Benefits

MRO can restore your failed AS-P890-300 to remanufactured condition and save you up to 75% compared to buying new. We offer standard repair pricing to ensure you the best value for your repair.

Our certified technicians use rigorous testing procedures to ensure your parts are restored to fully functioning condition. Our team proudly stands behind all repairs by providing a minimum 2-year warranty.

Our technicians have vast experience with most manufacturers and models. In addition to this AS-P890-300 we also repair drives, motors, PLCs and more, so if you don’t see the model you need, please contact us.

Core Exchange

If you are interested in getting credit for your faulty AS-P890-300, just let us know, and we can issue you an RMA to send it in as an exchange. Our exchange program provides you with savings and keeps us stocked for the next time you need anything.

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Ask about exchanging your faulty AS-P890-300 for credit when ordering from MRO Electric

MRO Electric provides a 2-year warranty on every item we sell and repair. We stand behind all of our products and guarantee them for the full 2 years. If there is an issue with any of our products within the warranty period, we will evaluate the unit and repair or replace it under warranty.

Schneider Electric AS-P890-300 Overview

The Modicon AS P890 300 is an I/O remote, I/O processor module that is manufactured by Schneider Electric for use on the Modicon Quantum Platform. The AS P890 300 I/O module with power is responsible for providing an interface between the PLC and 800 series I/O modules. The Modicon AS P890 300 includes two half-duplex ASCII ports. These products are manufactured in France and are designed for Material handling, packaging, and textile machines usage. They come with a 2-year warranty from MRO Electric. We also carry I/O Modules from other manufacturers such as Modicon and ABB.

Features of the AS P890 300

The Modicon I/O remote, I/O processor module AS P890 300 is a self-powered unit drawing its power from either a 115/230VAC or a 24VDC source. A front panel ON / OFF switch is located on the front panel that can independently switch the power sources on and off. The power connector inputs are jumper-selectable for the 115V/230VAC inputs. The main backplane can handle up to 7 A of combined +5.0VDC and +4.3VDC load current supplied by the processor to I/O.

The Schneider Electric AS P890 300 has two basic modes of operation. The first operational mode is replication. The second operation mode for the AS P890 300 is emulation. 

To accomplish remote I/O communication with the Modicon AS P890 300, you will use either a single or a dual coaxial cable network. Several numbers and drops can be communicating through the AS P890 300. The number will vary depending on your system PLC.

How are the operating modes selected? The AS P890 300 I/O processor has rotary switch selection. This incorporates either a single or a dual RI/O cable. Why are the operating modes selected in this manner? In this way, improper Comm Error LED indications are done away with when operating a single cable connecting the drop.

If replacing a P89X processor, the AS P890 300 is compatible with power and the backplane. If replacing a J890 or J892 processor with the AS P890 300 a backplane replacement is required. You may also need to replace some wiring and power supply depending on the number of I/O modules being used on the drop.


The AS P890 300 was manufactured by Schneider Electric to perform with complete compatibility with all of the Schneider Electric controllers that support the S908/CRP-type Remote I/O networks and all 800 Series I/O modules.

How to use the AS P890 300

Several LED indicators are located on the Modicon AS P890 300 for ease of recognition. PWR OK will indicate green when power voltages are appropriate and within specifications. READY will indicate green when internal diagnostics are complete and successful, and the module is prepared to operate. COMM ACTIVE indicates green when the unit is engaged in communication on the remote I/O network. When the COMM ERROR A indicator is red, it could be indicating several things wrong with cable A. It could be a broken or missing cable, poor or loose coaxial connection, intermittent noise, or a mode selector switch that is not in the correct position. The COMM ERROR B indicator is red when cable B is experiencing problems. Cable B could be indicating the same problems as cable A. ASCII ACTIVE is green when that port is active, ASCII ERROR is red to indicate a problem with the communication port.  The final LED is OURBUS ERROR, and it indicated red for errors with local I/O or another module issue.

Contact Us Today For More Information About Schneider Electric Products

Check out the rest of our Schneider Electric product line. Whether it's using our online instant quote feature, giving us a call at (800) 691-8511, or emailing us at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like AS-P890-300, take a look at more from our I/O Modules line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. You can learn more about this program on our FAQ page here. We offer a repair service on all of our AS-P890-300 products that keep your downtime to a minimum. To stay up to date on manufacturer news, as well as access any of our datasheets, manuals, or other documentation, we suggest you take a look at our blog.

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Fast delivery and very good service.


Would use again. Received in timely manner.


Very happy with the overall service, delivery, communication and delivery,

Conley Cooke