The Allen Bradley 20-750-20COMM is a dual-slot communication carrier module designed for PowerFlex 750-Series AC drives. It enables users to install up to two communication adapters simultaneously, allowing flexible integration with industrial networks such as EtherNet/IP, ControlNet, DeviceNet, PROFIBUS, and other supported protocols.
Engineered for high-performance industrial drive systems, the 20-750-20COMM simplifies network expansion while improving connectivity, scalability, and communication redundancy in demanding automation environments. It is widely used in manufacturing plants, process industries, material handling systems, and large-scale motor control applications where advanced network communication is essential.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Allen Bradley (Rockwell Automation) |
| Model Number | 20-750-20COMM |
| Product Family | PowerFlex 750-Series |
| Module Type | Dual Communication Carrier Module |
| Supported Drives | PowerFlex 753 / 755 Series |
| Communication Slots | 2 adapter slots |
| Supported Protocols | EtherNet/IP, DeviceNet, ControlNet, PROFIBUS, Modbus/TCP and others |
| Installation Type | Internal drive-mounted carrier |
| Compatibility | PowerFlex communication option modules |
| Backplane Interface | High-speed internal communication bus |
| Power Source | Powered directly from host drive |
| Configuration | Automatic adapter recognition |
| Diagnostics | LED communication status indicators |
| Firmware Support | Compatible with PowerFlex firmware architecture |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -40°C to 70°C |
| Relative Humidity | 5–95% non-condensing |
| Mounting Method | Integrated drive installation |
| Enclosure Rating | Industrial open-style mounting |
| Certifications | UL, CE, cUL approved |
Physical Dimensions & Weight (L × W × H Combined)
| Parameter | Specification |
|---|---|
| Dimensions (L × W × H) | Approx. 168 × 98 × 45 mm |
| Weight | Approx. 0.32 kg |
Recommended Related Models
The 20-750-20COMM is commonly used with PowerFlex communication adapters and 750-Series drive systems for advanced industrial networking.
| Related Model | Description |
|---|---|
| 20-750-ENETR | Dual-port EtherNet/IP adapter |
| 20-750-DNET | DeviceNet communication adapter |
| 20-750-CNET | ControlNet communication adapter |
| 20-750-PBUS | PROFIBUS communication adapter |
| 20-750-MNET | Modbus/TCP communication adapter |
| 20F11NC140JA0NNNNN | PowerFlex 753 AC drive |
| 20G11NC072AA0NNNNN | PowerFlex 755 AC drive |
| 20-750-2262C-2R | HIM cable |
| 20-HIM-A6 | Human interface module |
| 25B-D013N114 | PowerFlex 525 drive |
Popular Allen Bradley Models
Allen Bradley PowerFlex and Logix platforms are widely trusted for industrial motor control, scalable networking, and automation system integration.
| Popular Model | Product Category |
|---|---|
| 1756-L85E | ControlLogix Controller |
| 1769-L36ERM | CompactLogix Controller |
| 20G11NC072AA0NNNNN | PowerFlex 755 Drive |
| 20F11NC140JA0NNNNN | PowerFlex 753 Drive |
| 2711P-T12C4D8 | PanelView Plus HMI |
| 1756-EN2TR | EtherNet/IP Communication Module |
| 1734-AENTR | POINT I/O Ethernet Adapter |
| 1606-XLS240E | Industrial Power Supply |
| 5069-IB16 | Digital Input Module |
| 25B-D013N114 | PowerFlex 525 Drive |
