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Digital 16 Input Discrete I/O

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2 Year warranty
Part NumberBMXDDI1602
ManufacturerSchneider Electric
Model #BMXDDI1602
Alternate ModelBMX-DDI-1602
Warranty2 Year

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 BMXDDI1602 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 BMXDDI1602 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 BMXDDI1602, 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 BMXDDI1602 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

The Modicon BMXDDI1602 is a quality product manufactured by a trusted industry leader, Schneider Electric. It is a module shaped for connecting to various sensors.

The BMX DDI 1602 is a 24 VDC discrete unit. It is joined by way of a 20-pin terminal block connection. Known as a sink, or positive logic module, it has 16 input channels which are located on the front of the module. These channels take current input from the sensors. Each of the Modicon discrete input/output with 20-pin terminal block connections have to be connected to the terminal block.

The Modicon discrete input/output module is powered by the bus of the rack and you can handle it without turning off the power supply to the rack itself. It will not damage or disturb anything on the PLC if you handle the discrete input/output with the power to the bus rack. Remember to remove the protective cap from the module connector which is on the rack before you install the module. How does the installation process happen? You must position the locating pins that are on the bottom part in the slots that correspond to the rack. Make sure the protective cover is removed first. The next thing you will want to do is to swivel the module up toward the top of the rack. Make sure that it sits flush with the backside of the rack. At this point, it is set in place and needs to be secured. To secure the unit in place you will tighten the retaining screw to make sure that it stays in place. 

A general description of the Modicon X 80 brand discrete input/output module is a standard format unit which means it takes up a single position. It is fitted on this Modicon module with a 20-pin terminal block, but it can also come with 40-pin and 2 40-pin blocks. 

The Modicon input modules receive signals from sensors and are then able to implement several functions with that signal. Some of these functions include:

  • acquisition
  • adaptation
  • galvanic insulation
  • filtering
  • protection against interference

Outputs of this module store the orders the processors give. It does this to control the pre-actuators by way of decoupling and amplifying circuits.

To make sure your connection is up to par, it will need to be tested. To test the connection, first ensure that the sensor data is registered by the inputs and also by the processor that corresponds. Also, check to make sure control orders are being processed from the processor by the outputs and sent to the corresponding pre-actuators. When that is complete you can check the connection of your discrete I/O module with a terminal.

To check the output connections from the terminal you must set each bit that corresponds to output to 1 and then to 0. The next step is to check that the corresponding output LED will turn on and then check that it will turn off. Next, check that the corresponding pre-actuator activates and de-activates. 

The Modicon BMXDDI1602 comes with a two-year warranty. 

Product Description

The BMXDDI1602 is a

Digital 16 Input Discrete I/O

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 BMXDDI1602, 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 BMXDDI1602 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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