Product Parameters

Manufacturer: Schneider Electric (Modicon)

Model: 990NAD21110

Product Type: Industrial communication drop cable

Cable Length: 2.4 m (7.9 ft)

Connector: Sub‑D 9‑pin (one end, for T‑junction)

Application: Modbus Plus network, between Momentum I/O sub‑base and T‑junction

Compatibility: Modicon Momentum, Quantum series PLC systems

Certification: CE, UL, RoHS compliant

Weight: Approx. 0.2 kg

Specifications

Operating Temperature: -20 °C to +60 °C

Jacket Material: Industrial PVC (black, oil‑resistant)

Shielding: Overall foil + braid shield (EMI/RFI protection)

Characteristic Impedance: 100 Ω (Modbus Plus standard)

Conductor: Stranded copper, 22–26 AWG

Minimum Bending Radius: 8 × cable outer diameter

Series

990NAD Series: Modicon dedicated Modbus Plus cable series

Modbus Plus Cabling Line: Standard drop cables for network branching

Features

Dedicated Modbus Plus Design: Optimized for Modbus Plus network signal integrity.

Preassembled Connector: Factory‑fitted Sub‑D 9‑pin for quick T‑junction connection.

Heavy‑Duty Shielding: Reduces electromagnetic interference in industrial environments.

Durable & Flexible: Oil‑resistant PVC jacket for cabinet and field installation.

Plug‑and‑Play: No external drivers; direct connection to Momentum I/O and T‑junctions.

Purpose

To establish a reliable Modbus Plus communication link between Momentum I/O sub‑base and T‑junction, enabling data exchange for distributed I/O in Modicon PLC systems.

Application Fields

Industrial Automation: Modbus Plus network wiring for manufacturing and process control.

Distributed I/O Systems: Connecting Momentum I/O modules to Modicon Quantum PLCs.

Control Cabinet Wiring: Internal Modbus Plus network layout in industrial control panels.

System Integration: Expanding Modbus Plus networks with T‑junction branching.