OVERVIEW

Official designation: Allen-Bradley 20-750-CNETC (PowerFlex 750, ControlNet Coax Option Module)

Role/Application: Internal option module for PowerFlex 750-Series AC drives. It provides deterministic, high-speed ControlNet communication at 5 Mbps, enabling real-time control and monitoring from ControlLogix systems.

KEY SPECS SUMMARY

Power: 14V DC, 250 Milliamperes

Interfaces / Ports: Dual BNC connectors (Coaxial)

Indicators: Status LEDs for diagnostics

Operating Temp: Minus 10 to 50 degrees C

Platform / Compatibility: PowerFlex 750 series drives

Limit: 5 Mbps data rate

Lifecycle: Active

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum data rate supported by the 20-750-CNETC module?

A: The module supports a fixed ControlNet data rate of 5 megabits per second for deterministic communication.

Wiring & Installation:

Q: What type of cable and connectors are required for the network connection?

A: Connection requires RG-6 coaxial cable and uses the dual BNC channel A and B receptacles.

Troubleshooting & Compatibility:

Q: How is the ControlNet node address typically set for this option module?

A: The node address is typically configured using integrated rotary switches or the configuration software.

Replacement & Upgrades:

Q: What are the dimensions of the 20-750-CNETC module for cabinet space planning?

A: The module measures 68 millimeters wide, 150 millimeters high, and 26 millimeters deep.