Option Adapters

Overview

This section describes the function of option adapters, the types available, and where to get more information.

Function

An option adapter is used in conjunction with a processor adapter and an I/O base to provide:

a time-of-day clock
a battery backup
one or more additional communication ports

Types

The following option adapters are available

For These Communication Ports...	Order Adapter Part Number...
one user-selectable RS-232/RS-485 port	172 JNN 210 32
one Modbus Plus port	172 PNN 210 22
two (redundant) Modbus Plus ports	172 PNN 260 22

NOTE: The modules listed above are not compatible with the 171 CBU 780 90, 171 CBU 980 90, and 171 CBU 980 91 processors. These modules can be configured using Concept IEC programming software. They cannot be configured with Control Expert.

For More Information

For detailed descriptions of all option adapters, refer to the TSX Momentum Processor Adapter and Option Adapter User Guide.