Schneider Electric Processor Adapter - Manual (Page 65)

870 USE 101 10 V.2 65
Overview of Momentum Option
Adapters
At a Glance
Purpose An Option Adapter can be inserted between the Processor Adapter and the I/O
base to provide:
l
A battery backup for the CPU
l A time-of-day clock
l Extra communication ports
This chapter describes the three types of Momentum Option Adapters.
In This Chapter This chapter contains the following sections:
For This Topic... See Section... On Page...
Introducing the Momentum Option Adapters 1 66
Serial Option Adapter 2 67
Modbus Plus Option Adapter 3 73
Redundant Modbus Plus Option Adapter 4 79