Product Overview: Schneider 172PNN21022C Modbus Communication Adaptor
Upgrade your Modicon Momentum control system with the Schneider 172PNN21022C communication adaptor. Designed to replace older Modbus modules, this compact unit operates at 5 V DC and draws only 700 mA, ensuring efficient data exchange. The 172PNN21022C integrates seamlessly via its I/O base power supply and D-shell 9-pin connector, making it a drop-in upgrade for legacy installations.
Technical Specifications
| Specification |
Value |
| Manufacturer |
Schneider Electric |
| Product Line |
Modicon Momentum |
| Part Number |
172PNN21022C |
| Product Type |
Communication Adaptor |
| Communication Type |
Modbus |
| Rated Supply Voltage |
5 V DC |
| Supply Via |
I/O Base |
| Clock Drift |
±13 s/day |
| Battery Type |
Lithium |
| Battery Size |
2/3 AA |
| Electrical Connection |
1 Connector D-shell 9 pins |
| Material |
Lexan |
| Local Signaling |
LED |
| Current Consumption |
700 mA |
| Dielectric Strength |
500 V DC |
Application Flexibility
The Schneider 172PNN21022C excels in retrofitting older Momentum networks. Use it for continuous data logging in process control or as a reliable communication bridge between PLCs and SCADA systems. Its compact size (1" x 5.6" x 2.3") and lightweight 85.05 g design allow installation in tight cabinets without structural changes. The built-in lithium battery maintains clock accuracy (±13 s/day), critical for time-stamped data in batch processing applications.
Installation & Setup Guidance
Mount the 172PNN21022C onto a suitable I/O base. Ensure the base provides 5 V DC power. Connect the D-shell connector to your Modbus network cable. The LED indicator confirms power and communication status. No special tools are required for basic setup. For best performance, place the unit away from high-frequency noise sources.
Compatibility & Integration
The Schneider 172PNN21022C integrates natively with Modicon Momentum I/O modules and programmable controllers. It supports Modbus serial communication, making it compatible with a wide range of industrial equipment. When upgrading a system, verify that your existing base unit supplies 5 V DC to avoid compatibility issues.
Selection Guide & Purchasing Advice
Before purchasing the 172PNN21022C, confirm your I/O base model and power source. This adaptor requires a lithium battery (2/3 AA, included) — ensure you have a replacement if needed. UBEST Automation stocks genuine Schneider 172PNN21022C units ready for immediate deployment. Contact our team for technical validation when integrating into legacy setups.