User Manual

20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
Chapter 1
Getting Started
The adapter is a communication option intended for installation into a
PowerFlex 7-Class drive. It can also be used with other Allen-Bradley
products that support a DPI™ (Drive Peripheral Interface) adapter.
Components
Figure 1.1 Components of the Adapter
Topic Page
Components
1-1
Features 1-2
Compatible Products 1-2
Required Equipment 1-3
Safety Precautions 1-3
Quick Start 1-5
Status Indicators 1-6
Item Part Description
Status Indicators Four LEDs that indicate the status of the DPI, the adapter, and
network connection. Refer to Chapter 8
, Troubleshooting.
DPI Connector A 20-pin, single-row shrouded male header. An Internal Interface
cable is connected to this connector and a connector on the
drive.
Terminal Block A 6-screw terminal block connects the adapter to the network.
Node Address Switches Two switches set the node address.
Network Selector Switch Switch selects the network protocol to which the adapter
operates.