Product Parameters

Manufacturer: Schneider Electric (Modicon)

Model: 990NAA26320

Product Type: Industrial programming cable

Cable Length: 3.7 m (12.1 ft)

Connectors: 15‑pin D‑Sub (processor side), 9‑pin D‑Sub (PC side, RS‑232)

Compatibility: Modicon Quantum, Premium, Harmony GTO HMI platforms

Certification: CE, UL, RoHS

Weight: Approx. 0.2 kg

Specifications

Operating Temperature: 0 °C to +40 °C

Storage Temperature: 0 °C to +50 °C

Humidity: Up to 80% RH (non‑condensing)

Jacket Material: Industrial PVC (black)

Conductor: 22–26 AWG, stranded copper

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

Communication Standard: RS‑232, 115200 bps max

Series

990NAA Series: Modicon dedicated programming/network cable series

Unity Processor Accessory Line: Cables for Modicon Unity PLC programming

Features

Direct PLC‑to‑PC Connection: Connects 15‑pin Quantum/ Premium port to standard DB9 RS‑232 PC port.

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

Preassembled Connectors: Factory‑crimped for reliability; no field wiring required.

Plug‑and‑Play: No external drivers needed for basic programming tasks.

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

Purpose

To establish a reliable serial communication link between a PC and Modicon Unity‑based PLCs for program upload/download, online debugging, and system configuration.

Application Fields

PLC Programming & Debugging: For Modicon Quantum and Premium automation platforms.

Industrial System Integration: Connecting engineering workstations to shop‑floor controllers.

Maintenance & Troubleshooting: On‑site RS‑232 communication with Modicon CPUs.

HMI Configuration: Programming Harmony GTO series touch panels via PLC port.