OVERVIEW

Official designation: Allen-Bradley 1788-CN2DN (1788 Linking Devices, Network Linking Device)

Role/Application: This module is a ControlNet-to-DeviceNet linking device that enables seamless data exchange between the two distinct industrial networks. It requires external 24V DC power and supports DIN rail mounting.

KEY SPECS SUMMARY

Power: 24V DC input, 500 mA maximum

Interfaces / Ports: Dual BNC ControlNet, 5-pin DeviceNet, 4-pin redundant power

Indicators: CNet Status, DNet Status, Module Status, Linking Activity

Operating Temp: 0 degrees C to 60 degrees C

Platform / Compatibility: ControlNet/DeviceNet protocol, open-style enclosure

Limit: Isolation voltage 30V continuous, 12.24 Watts power dissipation

Lifecycle: Active Mature

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What are the dimensions of the 1788-CN2DN module for control cabinet planning?

A: Dimensions are approximately 120 millimeters high, 200 millimeters wide, and 87 millimeters deep.

Wiring & Installation:

Q: What type of connector is used for the ControlNet side of the 1788-CN2DN linking device?

A: The module utilizes two BNC coaxial connectors for the ControlNet network, supporting redundant media.

Troubleshooting & Compatibility:

Q: What does a flashing red Module Status LED indicate on the linking device?

A: Flashing red signifies a broken connection between the DeviceNet scanner and one or more slave devices.

Replacement & Upgrades:

Q: Is the 1788-CN2DN linking device firmware upgradeable after initial installation?

A: Yes, the firmware for the linking device can be upgraded via the connected ControlNet network.