Product Overview
When your control system requires reliable serial communication, the Schneider Electric 172JNN21032 Serial Link Adapter Module delivers a robust interface for the Modicon Momentum automation platform. This module connects your controller to RS-232 or RS-485 networks, enabling seamless data exchange in industrial environments.
Technical Specifications
The 172JNN21032 operates on a rated supply voltage of 5 Volts DC and draws a current consumption of 700 milliamperes at 12 Volts DC. It is designed for an ambient operating temperature range of 0 to 60°C in non-condensing conditions. The module features an IP20 protection class, making it suitable for indoor control cabinets with limited dust and moisture exposure. A lithium battery provides backup with an estimated lifespan of approximately 5 years. The unit communicates via one RS-485 or RS-232 port through a single 9-pin D-shell Modbus Plus connector. A single communication LED indicates operational status. Conformal coating protects the electronics from environmental contaminants. The module supports operation at altitudes less than 6,561 feet (2,000 meters).
Industry Applications
In manufacturing lines where Modicon Momentum controllers coordinate multiple machines, the 172JNN21032 acts as a dedicated serial link adapter. It enables reliable data transfer between the PLC and remote I/O or operator interfaces. For building automation systems, this module connects to RS-485 networks for HVAC or lighting control, ensuring stable communication even in electrically noisy environments. Its compact size and lightweight design (85.05 g net weight) allow easy integration into existing panels.
Installation & Setup Guidance
Mount the 172JNN21032 securely in a dry, ventilated enclosure. Connect the 9-pin D-shell Modbus Plus connector to your network cable. Select either RS-232 or RS-485 mode via configuration switches (refer to the product manual). Verify that the rated supply voltage of 5 Volts DC is available from the I/O base. The module draws 700 mA at 12 V DC, so ensure the power supply can handle the load. After power-up, check that the communication LED illuminates to confirm proper operation.
Maintenance & Reliability
The lithium battery inside the 172JNN21032 has a lifespan of approximately 5 years. Replace the battery before it depletes to avoid losing configuration data. The conformal coating protects circuit boards from moisture and dust, reducing the need for frequent cleaning. Periodically inspect the 9-pin connector for corrosion or loose pins. Keep the ambient temperature within 0 to 60°C and avoid condensation. The module's IP20 rating means it should be installed in a clean, low-dust environment.
Compatibility & Integration
This serial link adapter module is part of the Modicon Momentum automation platform. It works with any Momentum controller that supports a serial link option adapter. The RS-232 or RS-485 port connects to a wide range of devices such as HMIs, drives, and remote I/O. The Modbus Plus connector ensures compatibility with legacy and modern Modbus networks. For integration, simply plug the module into the appropriate slot on the I/O base and configure the communication parameters.
Selection Guide & Purchasing Advice
Before ordering the 172JNN21032, verify that your Modicon Momentum system has an available slot for a serial link option adapter. Confirm that your network requires RS-232 or RS-485 communication. The module includes one communication LED for status monitoring. SpareTechPLC stocks this Schneider module and can provide current lifecycle status and availability. Contact our team to confirm stock and lead times before placing your order.
Frequently Asked Questions
Q: What is the rated supply voltage for the 172JNN21032?
A: The rated supply voltage is 5 Volts DC, supplied via the I/O base.
Q: What type of battery does the module use?
A: It uses a lithium battery with an estimated lifespan of approximately 5 years.
Q: What communication ports are available?
A: The module supports one RS-485 or RS-232 port via a 9-pin D-shell Modbus Plus connector.
Q: What is the operating temperature range?
A: The ambient operating temperature range is 0 to 60°C in a non-condensing environment.
Q: Is the 172JNN21032 still in production?
A: Please verify current lifecycle status and availability with SpareTechPLC before ordering.
