Chapter 1, Getting started, Components – Rockwell Automation 20-COMM-B BACnet MS/TP Adapter User Manual
Page 9: Components -1, 1getting started, Chapter

Chapter
1
Getting Started
The 20-COMM-B BACnet MS/TP 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 an internal DPI ™
(Drive Peripheral Interface) adapter, such as the DPI External Comms
Kit (20-XCOMM-DC-BASE).
Figure 1.1 Components of the Adapter
Topic
Page
Topic
Page
Components
Item Part
Description
➊
Status Indicators
Four LEDs that indicate the status of the network connection,
DPI, and the adapter. Refer to
.
➋
DPI Connector
A 20-pin, single-row shrouded male header. An Internal Interface
cable connects to this connector and a connector on the drive.
➌
Terminal Block
A 3-pin terminal block with mating 3-pin linear plug connects
the adapter to the network.
➍
TERM, -BIAS, and
+BIAS Switches
Switches for turning on/off the adapter’s internal termination
resistor and bias resistors. See
for details.
➎
MAC Address
Switches
Switches for setting the MAC address. See
for details.
➊
➎
➌
➋
➍