1. Product Overview

2. Part Number & Identification

• Model: 140XCA71706

• Product Line: Modicon Quantum

• Cable Type: Rack-to-rack backplane link

• Length: 2.0 m (6.56 ft)

• Jacket Color: Gray

• Certifications: CE, UL, cUL; China RoHS compliant

• Data Rate: Up to 1 Mbps backplane communication

3. Interface Description

• Connectors: 2 × high‑density, keyed backplane connectors (hot‑plug capable)

• Conductors: Multiconductor, shielded for high‑speed digital signaling

• Shield: Continuous overall shield for EMC noise immunity

• Construction: Flexible, industrial‑grade, flame‑retardant

4. Compatibility

• Compatible Racks: All Quantum 140‑series backplanes (e.g., 140XBP01000, 140XBP01600)

• Application: Connects primary rack to secondary expansion rack for I/O expansion

5. Technical Specifications

Electrical

• Signal: Digital backplane communication (5 V DC logic)

• Insulation Resistance: > 1 MΩ

Environmental

• Operating Temperature: 0 °C to +60 °C

• Storage Temperature: −40 °C to +85 °C

• Humidity: 5–95 % RH, non‑condensing

• Flammability: UL 94 V‑0

Mechanical

• Jacket: Gray, flexible PVC

• Bend Radius: ≥ 10 × cable diameter

• Termination: Keyed connectors with positive latching

6. Installation Instructions

1. Power Off

   • Disconnect all PLC and cabinet power before installation.

2. Connector Alignment

   • Locate the expansion port on the primary backplane.

   • Align the keyed connector; do not force.

3. Secure Connection

   • Insert fully until the latch clicks.

   • Repeat for the secondary backplane.

4. Cable Routing

   • Maintain ≥ 10 cm separation from high‑voltage cables.

   • Avoid sharp bends and crushing.

5. Power Up & Verify

   • Restore power; check PLC LEDs for backplane link OK.

7. Maintenance & Handling

• Inspection: Every 6 months, check connectors for wear, dirt, or bent pins.

• Cleaning: Use dry, lint‑free cloth; avoid solvents.

• Replacement: Replace if jacket is damaged or communication errors occur.

8. Safety & EMC Guidelines

• Qualified Personnel Only: Installation by authorized electricians.

• No Live Connection: Never connect/disconnect while powered.

• Shielding: Ground shield at one end only to prevent ground loops.

9. Related Part Numbers

• 140XCA71703: 1.0 m

• 140XCA71705: 1.5 m

• 140XCA71706: 2.0 m (this model)

• 140XCA71710: 3.0 m

10. Warranty

• 18‑month manufacturer warranty against defects in materials and workmanship.