Allen-Bradley 20-750-20COMM PowerFlex 755 Communication Carrier Card

Description

The Allen-Bradley 20-750-20COMM is a communication carrier card engineered for PowerFlex 755 drives, enabling seamless connectivity between control systems and communication adapters. It supports integration with legacy 20-COMM adapters and provides reliable communication functionality for drives using Frame Size 2 and above. Designed for easy installation in Port 6, this module ensures stable signal performance under industrial operating conditions.

Technical Specifications

• Manufacturer: Allen-Bradley (Rockwell Automation)

• Model Number: 20-750-20COMM

• Product Line: PowerFlex 755

• Product Type: Communication Carrier Card

• Weight: 5.00 lbs (2.27 kg)

• Spare Part/Accessory: Yes

• Operating Temperature Range: 0°C to 40°C (32°F to 104°F)

• Storage Temperature Range: 0°C to 50°C (32°F to 122°F)

• Maximum Operating Humidity: 80% non-condensing

• Maximum Storage Humidity: 80% non-condensing

• Maximum Operating Altitude: 1000 m (3280 ft)

• Maximum Storage Altitude: 1000 m (3280 ft)

• Compatible Equipment: PowerFlex 750 series drives

• Communication Applications: Fully supported

• Compatibility: Supports legacy 20-COMM adapter modules

• Compatible Frame Sizes: Frame Size 2 and larger

• Recommended Installation Port: Port 6

• Maximum Screw Torque: 0.67 Nm

Application Scenarios

The 20-750-20COMM carrier card is used to expand communication options for PowerFlex 755 drives. Typical applications include:

• Industrial automation and process control systems

• Drive-based network communication and control integration

• Legacy system upgrades using existing 20-COMM adapters

Comparison with Similar Models

• 20-750-20COMM: Standard PowerFlex 755 carrier card for 20-COMM adapter compatibility

• 20-750-20COMM-F: Enhanced version with fiber-optic interface support

• 20-750-22COMM: Dual-channel model for advanced communication requirements

FAQs

Q1: Which drives are compatible with the 20-750-20COMM card?
A1: It is compatible with PowerFlex 755 and other drives in the PowerFlex 750 series.

Q2: Can this card be used with older 20-COMM modules?
A2: Yes, it supports full compatibility with legacy 20-COMM adapters.

Q3: What installation position is recommended?
A3: The card should be installed in Port 6 of the PowerFlex 755 drive for optimal performance.