Schneider 172JNN21032 Momentum RS-232 RS-485 Adapter Module

172JNN21032 Schneider Electric Modicon Momentum Serial Link Adapter Module

172JNN21032 is a serial link adapter module from Schneider Electric. It belongs to the Modicon Momentum series. This module connects control systems through RS-232 or RS-485. It uses a 5 V DC supply and draws 700 mA at 12 V DC. The unit supports Modbus Plus communication through a 9-pin D-shell connector. It also includes a communication LED and conformal coating for protection.

This adapter fits industrial control panels, PLC networks, and legacy Modicon Momentum systems. It works in ambient temperatures from 0 to 60°C. The module is lightweight, compact, and easy to install. It also carries UL, CSA, and NEMA 250 type 1 certifications. For inquiries, contact sales@powergearx.com or +86 18030005825.

Technical Data

• Brand: Schneider Electric
• Model: 172JNN21032
• Series: Modicon Momentum
• Product Type: Serial link adapter module
• Product Line: Modicon Momentum automation platform
• Part Number: 172JNN21032
• Rated Supply Voltage: 5 V DC
• Input Voltage Tolerance: +/- 5 %
• Current Consumption: 700 mA at 12 V DC
• Supply Source: Via I/O base
• Communication Port Support: RS-232 or RS-485 serial link, selectable
• Number of Ports: 1
• Electrical Connection: 1 D-shell connector with 9 pins for Modbus Plus
• Local Signalling: 1 LED for communication
• Battery Type: Lithium battery
• Battery Size: 2/3 AA
• Battery Life: Approximately 5 years
• Battery Autonomy: Less than 30 days after low battery indication at 40°C
• Clock Drift: +/- 13 s/day accuracy
• Ambient Operating Temperature: 0 to 60°C
• Storage Temperature: -40 to 85°C
• Relative Humidity: 5 to 95 % without condensation
• Operating Altitude: Less than or equal to 2,000 m
• Protection Class: IP20 conforming to IEC 529
• Protective Treatment: Conformal coating Humiseal 1A33 TC
• Dielectric Strength: 500 V DC
• Material: Lexan
• Module Format: Standard
• Height: 25 mm
• Width: 143.1 mm
• Depth: 60.06 mm
• Net Weight: 85.05 g
• Shock Resistance: +/- 15 gn, 11 ms half sine wave acceleration
• Vibration Resistance: 1 gn, f = 57 to 150 Hz
• Sinusoidal Vibration Amplitude: 0.075 mm, 10 to 57 Hz
• Electrostatic Discharge Resistance: 8 kV on air conforming to IEC 801-2
• Electromagnetic Field Resistance: 10 V/m, 80 to 1000 MHz conforming to IEC 801-3

Installation Guide

• Mount the module in a clean control cabinet.
• Keep the unit away from dust and moisture.
• Use the I/O base for power supply.
• Connect the 9-pin D-shell Modbus Plus connector.
• Select RS-232 or RS-485 before startup.
• Check the communication LED after power on.
• Keep ambient temperature between 0 and 60°C.
• Do not exceed 2,000 m operating altitude.

Commissioning and Maintenance

• Confirm stable 5 V DC supply before use.
• Verify wiring polarity and connector fit.
• Monitor the LED for communication status.
• Replace the lithium battery when low battery appears.
• Use a 2/3 AA lithium battery for replacement.
• Check battery life every five years.
• Clean only with methods safe for IP20 electronics.
• Store the module between -40 and 85°C.

Compatibility Notes

• Works with Modicon Momentum automation platforms.
• Supports RS-232 serial links.
• Supports RS-485 serial links.
• Uses Modbus Plus connection through a 9-pin D-shell port.
• Fits standard module format slots.
• Designed for I/O base supply integration.

Certifications

• CE marking
• UL certification
• CSA certification
• NEMA 250 type 1
• IEC 529 standards
• IP20 degree of protection

Package List

• 1 x Schneider Electric 172JNN21032 serial link adapter module
• Package 1: PCE, 1 unit, 7.0 cm height, 11.0 cm width, 21.0 cm length, 227.0 g
• Package 2: S03, 12 units, 30 cm height, 30 cm width, 40 cm length, 3.239 kg

Warranty and Shipping

• Warranty: 12 months
• Dispatch: 12 to 24 hours
• Courier: FedEx, UPS, DHL
• Inquiries: sales@powergearx.com
• WhatsApp: +86 18030005825

Expert Review

The 172JNN21032 is a practical choice for older Modicon Momentum systems. Its RS-232 and RS-485 options give engineers useful flexibility. The conformal coating helps in mildly harsh settings. The IP20 rating means it needs a protected cabinet. The 5 V DC supply and 700 mA at 12 V DC draw are clear limits for panel designers. The battery-backed clock adds value for time-sensitive control tasks. This module suits maintenance teams that need a reliable spare part. It also fits system integrators who support legacy automation. The compact size and light weight make replacement simple. The main caution is battery age. Buyers should confirm stock rotation and battery condition before deployment.

Manager’s Insight

This part is best for plants that still run Modicon Momentum hardware. It solves communication replacement needs without a full platform change. The 12 to 24 hour dispatch and 12 month warranty reduce downtime risk. FedEx, UPS, and DHL options help urgent maintenance teams. The unit is not for dusty or wet areas unless mounted in a suitable enclosure. It is also not for high-vibration settings without proper panel design. For long-term spares planning, keep one or two units on hand. Contact sales@powergearx.com for batch or urgent needs.

Best Fit Equipment and Applications

• Modicon Momentum PLC racks
• Legacy industrial control panels
• RS-232 device networks
• RS-485 device networks
• Modbus Plus communication systems
• Factory automation cells
• Process control cabinets
• Spare part programs for aging lines
• System integration retrofit projects
• Maintenance and repair workshops

FAQ

What is the 172JNN21032 used for?

It links Modicon Momentum systems to serial networks.

Which serial standards does it support?

It supports RS-232 and RS-485.

What connector does it use?

It uses one 9-pin D-shell Modbus Plus connector.

What power does it need?

It needs 5 V DC and draws 700 mA at 12 V DC.

What is the operating temperature range?

It works from 0 to 60°C.

Can it run in wet areas?

No. It has IP20 protection and needs a dry cabinet.

How long does the battery last?

The lithium battery lasts about five years.

What battery size does it use?

It uses a 2/3 AA lithium battery.

How do I know communication is active?

A communication LED shows the status.

What certifications does it carry?

It carries CE, UL, CSA, and NEMA 250 type 1.

How fast do you ship?

We ship in 12 to 24 hours.

Which couriers do you use?

We use FedEx, UPS, and DHL.

What is the warranty?

It comes with a 12 month warranty.

How do I ask for stock or pricing?

Email sales@powergearx.com or message +86 18030005825.

Experienced Buyer Q&A

Is this a new part or a legacy spare?

It is a legacy Modicon Momentum spare. Confirm compatibility before ordering.

What should I check before buying?

Check your PLC series, port type, and panel space.

Can I use it with a different Schneider PLC?

Only if the PLC supports the same Momentum integration.

Why does battery condition matter?

A weak battery can affect clock and memory backup.

What causes communication failure?

Wrong port selection, loose connectors, or power issues can cause failure.

Is conformal coating useful?

Yes. It helps protect the board from moisture and contaminants.

How should I store spares?

Store them between -40 and 85°C in a dry place.

Purchasing Guide

• Confirm the exact model 172JNN21032 before purchase.
• Check that your system uses Modicon Momentum.
• Match RS-232 or RS-485 to your network.
• Verify the 9-pin D-shell Modbus Plus connector need.
• Confirm 5 V DC supply and 700 mA at 12 V DC load.
• Check panel space for 25 mm height, 143.1 mm width, and 60.06 mm depth.
• Plan for battery replacement after about five years.
• Choose FedEx, UPS, or DHL for urgent delivery.
• Ask for stock age and battery status for spare units.
• Contact sales@powergearx.com or +86 18030005825 for help.

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172JNN21032 Schneider Electric Modicon Momentum serial link adapter. RS-232 or RS-485, 5 V DC, 700 mA at 12 V DC, IP20, 12 month warranty, fast dispatch.

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