OVERVIEW

Official designation: Allen-Bradley 20-750-ENETR (PowerFlex 750, Dual-Port EtherNet/IP Option Module)

Role/Application: Internal option module that provides dual RJ45 ports for EtherNet/IP connectivity to PowerFlex 750 series drives. It supports Device Level Ring (DLR) redundancy for resilient network operation.

KEY SPECS SUMMARY

Power: 14 V DC (250 mA max consumption)

Interfaces / Ports: Two RJ45 connectors

Indicators: Multiple LEDs (Link Status, Module Status)

Operating Temp: Minus 10 to 50 degrees C

Platform / Compatibility: PowerFlex 753 and 755 series

Limit: 10/100 Mbps (Full/Half Duplex)

Lifecycle: Active

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What network topologies are supported by the dual-port module for redundancy?

A: The module supports Device Level Ring (DLR), linear, and star topologies for network flexibility.

Wiring & Installation:

Q: How is the module’s IP address typically configured during initial installation?

A: IP address configuration can be set using onboard rotary switches or the BOOTP-DHCP utility.

Troubleshooting & Compatibility:

Q: What is the maximum number of simultaneous Explicit Messaging (MSG) connections supported?

A: The module supports a maximum of 16 simultaneous MSG instruction connections and 30 TCP connections.

Replacement & Upgrades:

Q: What is the maximum data rate when communicating with the PowerFlex drive via the DPI protocol?

A: The internal DPI data rate between the module and the drive is 500 kilobits per second.