The Schneider Electric 172PNN21022C is a specialized adaptor that integrates with the Modicon Momentum series. Configured for communication via the Modbus protocol, it operates efficiently at a rated supply voltage of 5 V DC. This compact adaptor utilizes an I/O base to receive its power. Operating with a current draw of 700 mA, it ensures reliability in demanding data transfer applications.

This model features a clock drift of plus/minus 13 seconds per day, providing sufficient accuracy for various time-dependent functions. Internally powered by a lithium battery, the unit utilizes a 2/3 AA battery size to ensure longevity and efficiency. Connections are made through a D-shell connector with 9 pins, enhancing the simplicity of integration into existing systems.

Frequently asked questions：

Q1: What is the Schneider 172PNN21022C Adapter?

A: It’s a Modbus‑Plus communication adapter for the Modicon Momentum platform.

Q2: What communication protocol does the 172PNN21022C support?

A: It supports the Modbus Plus industrial communication protocol.

Q3: How many communication ports does it have?

A: The module provides one 9‑pin D‑shell communication port.

Q4: What voltage does the 172PNN21022C require?

A: It operates on 5 V DC supplied through the I/O base.

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