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MANUFACTURER: Schneider Electric 

DESCRIPTION: CPU - 20 Modbus Ethernet


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2 Year warranty
Part NumberBMXP342020
ManufacturerSchneider Electric
Model #BMXP342020
Alternate ModelBMX-P34-2020
Warranty2 Year
Number of racks4 racks
Number of slots11 slots
Control channelsProgrammable loops
Product or component typeProcessor module
Number of application specific channels36 Channels
Ambient air temperature for operation 32…140 °F (0…60 °C)
Relative humidity10…95 % without condensation
IP degree of protectionIP20
Discrete I/O processor capacity1024 I/O multi-rack configuration 704 I/O single-rack configuration
Analogue I/O processor capacity256 I/O multi-rack configuration 66 I/O single-rack configuration
MonitoringDiagnostic counters Modbus Event counters Modbus
Communication module processor capacity2 Ethernet communication module 4 AS-Interface module
Port Ethernet10BASE-T/100BASE-TX
Number of addresses0…248 character mode 0…248 Modbus

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 BMXP342020 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 BMXP342020 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 BMXP342020, 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.

  • Shipping Weight : 1lb

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Ask about exchanging your faulty BMXP342020 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.

Additional Information

Schneider Electric BMXP342020 Overview

The Schneider Electric BMXP342020 is available by Modicon and is one element of the key communication modules that brings you seamless operation of your PLC system.  When the delivery of your data transfer operations is transmitted with precise articulation, you gain comfort in knowing your system is running as fluidly as possible. Schneider Electric offers communication peace of mind with the Modicon friendly BMXP342020.  This transparent ready processor module is compatible with the Modicon M340 automation platform. Once plugged into your PLC rack, you can expect optimal connection results.  Where does this module fit into your automation needs? If you are looking for the perfect module to disseminate interchange between your CPU and your application process, the BMXP342020 is an excellent choice. 


Some of the key functions of the BMXP342020 processor are the available discrete rack inputs and outputs: 1024,  the available analog rack inputs and outputs: 256, the available expert channels: 36, the available Ethernet channels: 3, and the available AS-I field bus which is 4.  The simultaneous communication EF available is 16.  This unit has 256 I/O multi-rack and 66 I/O single rack configuration for analog I/O processor capacity.  It is equipped with a real-time clock on board that is savable. It comes with one USB port and one embedded serial mod bus link port. The capacity level of 256Kb for this unit to save your application data in its memory. It has diagnostic counters Modbus monitoring.  The control panels have programmable loops.  It has a communication processor capacity of 2 Ethernet and 4 AS-Interface modules.  These Modicon modules are compatible with later firmware and you can always update your processor with an updated version. Updating the unit is a great option but it is not recommended that you use this unit with a downgraded version. 

The installation of the BMXP342020 processor on the rack has never been easier.  The first thing you must be sure of is the memory card.  It must be the correct memory card to avoid unexpected system behavior.  Before installing the processor on the rack, you must make sure that the power is off and the card is correct.  There are slots in the bottom part of the rack that go with the locating pins in the back of the module. The module will pivot toward the top of the rack and when it is in position correctly, it will sit flush with the top of the rack.  Once you find that you have installed it correctly, you will need to screw the safety screw in tightly so that it will stay in place on the rack. 


It excels at Modicon communication with your drive, computers, or other PLCs.  How does it allow for such superb communication?  It does this through either the Modbus communication connection or through the Ethernet communication.  It can perform each of these communications separately or it can take advantage of both at the same time.  The strength of this unit is its ability to effectively communicate with various applications with a completely comprehensive approach.  The characteristics of this module are presented as follows. 

Controlling your process has never been better with this module with a product version (PV = or later) of 13 and a software version (SV) of 2.30. 

The Modicon BMXP342020 module comes with a two-year warranty. 

Product Description

The BMXP342020 is a CPU - 20 Modbus Ethernet that is manufactured by Schneider Electric. These products are manufactured in France and are designed for Material handling, packaging, and textile machines usage. All of the products in the m340 line come with a 2 year warranty from MRO Electric. We also carry products from other manufacturers such as Modicon and ABB.

Related 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 sending us an email at, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like BMXP342020, take a look at more from our Robotics 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 BMXP342020 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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