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Modicon Momentum - Modbus PLus Communication Adaptor
1 new in stock

Free 2 Day Shipping
2 year warranty


Part Number170NEF16021
ManufacturerSchneider Electric
SeriesModicon Communication
Warranty2 year
Electrical connection1 connector SUB-D 9 for connecting Modbus Plus network
1 connector SUB-D 9 for redundant Modbus Plus network
Range of productModicon Momentum automation platform
Product or component typeModbus Plus communication adaptor
Bus manager PLCQuantum
Compact 984
Structure typeIndustrial
Communication port protocolModbus Plus
Method of accessPeer to peer
Token bus
Transmission rate1 Mbit/s
Transmission support mediumTwisted pair
TopologyMultidrop, device connecting by extension or tap off cable
Number of devices0...31 per segment
0...63 all segment
Cable length<= 16404.2 ft (5000 m) with repeater
Data format984
Fail stateMaintain value
Fallback to zero
Forcing to state zero
Full scale value
SupplyFrom I/O base
Local signalling1 LED green module powered up or communicating (MB + ACT)
1 LED red communication error network A (ERR A)
1 LED red communication error network B (ERR B)

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 170NEF16021 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 170NEF16021 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 170NEF16021, 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.

This product weighs 1lb. Want it shipped tomorrow?

  • Order within the next 17 hours and 26 minutes.
  • If you order between 4pm and 6pm EST, you will be charged a small rush fee.

Ask about exchanging your faulty 170NEF16021 for credit when ordering from MRO Electric

Additional Information

Check out the rest of our Schneider Electric product line. Whether it's using our online instant quote feature, giving us a call, or sending us an email, we strive for customer satisfaction first. This means lower prices and better service for you. For more products like 170NEF16021, take a look at more from our Modicon Communication line. If your current unit has gone bad, take advantage of our Core Exchange program for the most inexpensive route. We offer a repair service on all of our 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.
Payment Methods

We accept all major credit cards, wire transfers, and net terms for established customers.


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