Schneider Electric 172PNN21022C Communication Adapter

Schneider Electric 172PNN21022C Communication Adapter

The Schneider Electric 172PNN21022C is a specialized communication adapter for the Momentum series. It provides a Modbus interface and includes a real-time clock, essential for applications requiring precise event time-stamping.

Technical Specifications

• Manufacturer & Model: Schneider Electric | 172PNN21022C
• Product Series: Modicon Momentum
• Device Type: Communication Adapter with Integrated Clock
• Communication Protocol: Modbus
• Supply Voltage: 5 V DC (via I/O Base)
• Current Consumption: 700 mA
• Real-Time Clock Accuracy: ±13 seconds per day
• Backup Battery: Lithium, 2/3 AA size
• Electrical Interface: 1 x D-shell 9-pin connector
• Housing Material: Lexan (durable polycarbonate)
• Dielectric Strength: 500 V DC
• Diagnostics: LED status indicator

Installation & Functionality

• Plug the adapter into the designated slot on a Modicon Momentum I/O base unit.
• It receives 5V DC power directly from the base. The internal lithium battery maintains the real-time clock during power outages.
• Connect the Modbus network cable to the 9-pin D-shell port for serial communication.
• The integrated clock provides time stamps for data logs, sequence of events (SOE) recording, and scheduled operations.
• Use the LED indicator to verify module status and communication activity.

Packaging & Shipping

• Includes one Schneider Electric 172PNN21022C communication adapter.
• All necessary mounting hardware is provided.
• We ship worldwide via FedEx, UPS, or DHL with full tracking.
• Packed securely, with the internal lithium battery installed and ready for use.

Frequently Asked Questions (FAQ)

• What is the purpose of the built-in clock? It provides a real-time clock for time-stamping process events, alarms, and data, which is crucial for diagnostics and regulatory compliance.
• What protocol does it use for communication? It communicates using the standard Modbus (serial) protocol over its 9-pin port.
• How is the clock powered during a blackout? The integrated 2/3 AA lithium battery provides backup power to keep the clock running.
• What is the clock accuracy? The clock has an accuracy of ±13 seconds per day under normal operating conditions.
• What is the main application of this module? It is used to add both Modbus connectivity and precise time-keeping capability to a Momentum I/O station.

Contact for Inquiries: sales@nex-auto.com , +86 153 9242 9628

Partner: AutoNex Controls Limited

© 2025 NexAuto Technology Limited. All rights reserved.
Original Source: https://www.nex-auto.com/