Chapter 1, Getting started, Components – Rockwell Automation 20-COMM-H RS485 HVAC Adapter FRN 2.xxx User Manual
Page 9: Components -1, 1getting started

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
Item
Part
Description
➊
Status Indicators
Four LEDs that indicate the status of the DPI, the adapter, and
network connection. Refer to
.
➋
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.
➌
Terminal Block
A 6-screw terminal block connects the adapter to the network.
➍
Node Address Switches
Two switches set the node address.
➎
Network Selector Switch
Switch selects the network protocol to which the adapter
operates.
➌
➍
➎
➊