Schneider Electric 172JNN21032 Modicon Momentum Serial Link

Product Overview – Schneider Electric 172JNN21032 Serial Link Adapter

• Brand: Schneider Electric
• Model: 172JNN21032
• Series: Modicon Momentum Automation Platform
• Module Type: Serial Link Option Adapter
• This module enables stable serial communication between PLC systems and field devices.
• Designed for industrial automation requiring reliable data exchange.
• Supports flexible integration into distributed control architectures.
• Compact structure reduces cabinet space usage.
• Built for continuous operation in demanding environments.

Description

• The 172JNN21032 provides serial communication expansion for Momentum PLC systems.
• It connects controllers using RS232 or RS485 communication.
• Data transfer remains stable under industrial electrical noise.
• The module receives power directly from the I/O base.
• A communication LED allows fast visual diagnostics.
• Conformal coating protects internal electronics from humidity and dust.
• Integrated lithium battery maintains clock accuracy.
• Designed for long lifecycle industrial automation deployment.

Technical Data

• Brand: Schneider Electric
• Model: 172JNN21032
• Supply Voltage: 5 V DC via I/O base
• Voltage Tolerance: ±5%
• Current Consumption: 700 mA at 12 V DC
• Communication Ports: RS232 or RS485 selectable
• Connector Type: 9-pin D-shell Modbus Plus connector
• Clock Accuracy: ±13 seconds/day
• Battery Type: Lithium, size 2/3 AA
• Battery Life: Approximately 5 years
• Operating Temperature: 0 to 60°C
• Storage Temperature: −40 to 85°C
• Humidity Range: 5–95% non-condensing
• Protection Rating: IP20
• Dielectric Strength: 500 V DC
• Operating Altitude: ≤2000 m
• Weight: 85.05 g
• Dimensions: 25 × 143.1 × 60.06 mm

Configuration Breakdown (Hierarchy Structure)

• 172JNN21032
  • Serial Link Option Adapter
    • Communication Selection
      • RS232 Serial Link
      • RS485 Serial Link
    • Power Supply
      • 5V DC via Momentum I/O base
    • Diagnostics
      • Single communication status LED
    • Protection Design
      • Conformal coating Humiseal 1A33

Core Performance Characteristics

• Communication Stability: Reliable serial data transmission.
• Frequency Response: Optimized for industrial communication timing.
• Resolution: Accurate clock synchronization.
• Linearity: Stable signal processing performance.
• Temperature Range: Designed for factory environments.
• Environmental Resistance: Shock and vibration compliant.
• EMI Immunity: 10 V/m electromagnetic resistance.
• ESD Protection: 8 kV air discharge compliance.

Installation Guide

• Mount module onto Momentum I/O base securely.
• Ensure power is OFF before installation.
• Select RS232 or RS485 communication mode.
• Connect Modbus Plus cable using 9-pin connector.
• Verify LED communication activity after startup.

Commissioning & Maintenance Convenience

• LED indication simplifies troubleshooting.
• Battery replacement requires minimal downtime.
• No complex calibration procedures required.
• Long battery autonomy reduces maintenance frequency.
• Compact design allows easy module replacement.

Compatibility

• Fully compatible with Modicon Momentum PLC systems.
• Supports integration with distributed automation networks.
• Works alongside Modicon Quantum communication infrastructures.
• Ideal for legacy and modernization projects.

Certifications & Compliance

• CE Marked
• UL Certified
• CSA Approved
• NEMA 250 Type 1
• IEC 529 compliant IP protection

Packing List

• 1 × 172JNN21032 Serial Link Adapter Module
• Factory protective packaging
• Quality inspection verification

Warranty & Shipping

• Warranty: 12-month warranty coverage.
• Worldwide delivery available.
• Shipping carriers: FedEx, UPS, DHL.
• Secure industrial export packaging.

Typical Applications

• Process automation systems
• Factory communication networks
• Water treatment control
• Energy management systems
• Remote I/O communication expansion

Diagnostic Capability

• Real-time communication LED monitoring.
• Clock drift tracking improves synchronization accuracy.
• Supports fast fault localization.
• Stable performance under vibration conditions.

FAQ – Practical Questions

• Is this module suitable for harsh environments?
• Yes. Conformal coating protects electronics from humidity and dust.
• Can users switch communication types?
• Yes. RS232 and RS485 are selectable.
• How often should the battery be replaced?
• Typical replacement interval is five years.
• What indicates communication status?
• The front LED shows real-time activity.
• Does installation require special tools?
• No. Standard cabinet installation is sufficient.

Selection Guidance

• Choose this module when serial communication expansion is required.
• Select RS485 for longer cable distances.
• Use RS232 for short, direct device connections.
• Verify PLC platform compatibility before ordering.
• Recommended for upgrading legacy Momentum systems.

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