Schneider Electric 172JNN21032 RS2/RS485 Serial Adapter

Schneider
Description
Schneider Electric 172JNN21032 Serial Option Adapter – RS232/RS485 + Clock & Battery
The Schneider Electric 172JNN21032 is a serial communication option adapter designed for use with the Modicon TSX Momentum PLC platform. This module adds a versatile serial communication port, configurable as either RS232 or RS485, and includes an integrated real-time clock (RTC) and battery backup for maintaining memory and timekeeping during power outages.
This adapter is ideal for applications requiring reliable data exchange with HMIs, SCADA systems, modems, or other Modbus-compatible devices.
Key Features:
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Part Number: 172JNN21032
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Communication: 1 × Serial Port (RS232 / RS485 switchable)
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Includes: Real-Time Clock (RTC) and Battery Backup
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Compatible with: TSX Momentum I/O bases and processors
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Status Indicator: LED for communication activity
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Mounting: Attaches directly to Momentum I/O base
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Use Cases: Industrial automation, Modbus RTU networks, legacy PLC installations