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20-COMM-H | Allen-Bradley PowerFlex Architecture Class RS485 HVAC/DPI Comm Adapter
- Regular price
- $732.00
- Sale price
- $732.00
- Regular price
-
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Product Description P/N: 20-COMM-H
Description
The Allen-Bradley 20-COMM-H is an RS-485 HVAC communication adapter designed for use with PowerFlex 70 and PowerFlex 700 drives. It supports Modbus RTU and Metasys N2 protocols, enabling integration with building automation and HVAC control systems. Installed directly into the drive’s DPI port, the module provides a simple communication interface for command and status exchange.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Communication Modules |
| Part Number | 20-COMM-H |
| Subcategory | RS-485 HVAC Communication Adapter |
| Manufacturer | Rockwell Automation |
| Supported Drives | PowerFlex 70, PowerFlex 700 |
| Supported Protocols | Modbus RTU, Metasys N2, Siemens Building Protocol |
| Communication Type | RS-485 |
| Interface | DPI (Drive Peripheral Interface) |
| Mounting | Internal to drive via captive screws |
| Status Indicators | Module, network, DPI communication LEDs |
| Node Addressing | Rotary or DIP switches |
| Enclosure Type | IP20 / NEMA Type 1 when installed in drive |
| Applications | HVAC control, building automation systems |
Information About 20-COMM-H
The 20-COMM-H is part of the PowerFlex communication adapter family, providing an RS-485 interface for HVAC-oriented networks within Rockwell Automation drive systems. It mounts directly to PowerFlex 70 and 700 drives using captive screws and connects through the Drive Peripheral Interface (DPI), ensuring secure installation and stable communication. The adapter includes diagnostic status indicators for monitoring network activity, DPI communication integrity, and module operating state. With support for Modbus RTU, Metasys N2, and Siemens Building protocols, the 20-COMM-H enables flexible integration into multi-vendor building management and HVAC systems.
Key Features:
- RS-485 communication interface: Designed for HVAC and building automation networks.
- Protocol support: Modbus RTU, Metasys N2, and Siemens Building protocols.
- PowerFlex 70/700 compatibility: Installs directly into supported drives’ DPI ports.
- Drive Peripheral Interface (DPI): Ensures fast and reliable communication.
- Status LED indicators: Provide diagnostics for module, network, and DPI link.
- Node address switches: Allow pre-power configuration of network addressing.
- Parameter-based configuration: Supports customized logic commands and references.
- Secure installation: Captive screw mounting ensures proper grounding and stability.
- HVAC-focused control: Suitable for fan, pump, and air-handling applications.
- Supports multiple configuration tools: Compatible with PowerFlex drive HMIs.
The 20-COMM-H delivers the reliability and precision required for integrating PowerFlex drives into supervised HVAC and building automation networks.
Description
The Allen-Bradley 20-COMM-H is an RS-485 HVAC communication adapter designed for use with PowerFlex 70 and PowerFlex 700 drives. It supports Modbus RTU and Metasys N2 protocols, enabling integration with building automation and HVAC control systems. Installed directly into the drive’s DPI port, the module provides a simple communication interface for command and status exchange.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Allen-Bradley |
| Category | Communication Modules |
| Part Number | 20-COMM-H |
| Subcategory | RS-485 HVAC Communication Adapter |
| Manufacturer | Rockwell Automation |
| Supported Drives | PowerFlex 70, PowerFlex 700 |
| Supported Protocols | Modbus RTU, Metasys N2, Siemens Building Protocol |
| Communication Type | RS-485 |
| Interface | DPI (Drive Peripheral Interface) |
| Mounting | Internal to drive via captive screws |
| Status Indicators | Module, network, DPI communication LEDs |
| Node Addressing | Rotary or DIP switches |
| Enclosure Type | IP20 / NEMA Type 1 when installed in drive |
| Applications | HVAC control, building automation systems |
Information About 20-COMM-H
The 20-COMM-H is part of the PowerFlex communication adapter family, providing an RS-485 interface for HVAC-oriented networks within Rockwell Automation drive systems. It mounts directly to PowerFlex 70 and 700 drives using captive screws and connects through the Drive Peripheral Interface (DPI), ensuring secure installation and stable communication. The adapter includes diagnostic status indicators for monitoring network activity, DPI communication integrity, and module operating state. With support for Modbus RTU, Metasys N2, and Siemens Building protocols, the 20-COMM-H enables flexible integration into multi-vendor building management and HVAC systems.
Key Features:
- RS-485 communication interface: Designed for HVAC and building automation networks.
- Protocol support: Modbus RTU, Metasys N2, and Siemens Building protocols.
- PowerFlex 70/700 compatibility: Installs directly into supported drives’ DPI ports.
- Drive Peripheral Interface (DPI): Ensures fast and reliable communication.
- Status LED indicators: Provide diagnostics for module, network, and DPI link.
- Node address switches: Allow pre-power configuration of network addressing.
- Parameter-based configuration: Supports customized logic commands and references.
- Secure installation: Captive screw mounting ensures proper grounding and stability.
- HVAC-focused control: Suitable for fan, pump, and air-handling applications.
- Supports multiple configuration tools: Compatible with PowerFlex drive HMIs.
The 20-COMM-H delivers the reliability and precision required for integrating PowerFlex drives into supervised HVAC and building automation networks.