Specifications

Theory of Operation

31007715 6/2008

Types of Modules on an Advantys STB Island

Summary Your island’s performance is determined by the type of NIM that you use. NIMs for

various field buses are available in different model numbers at different price points

and with scalable operating capabilities. Standard NIMs, for example, can support

up to 32 I/O modules in multiple (extension) segments. Low-cost basic NIMs, on the

other hand, are limited to 16 I/O modules in a single segment.

If you are using a basic NIM, you may use only Advantys STB I/O modules on the

island bus. With a standard NIM, you may use:

z Advantys STB I/O modules

z optional preferred modules

z optional standard CANopen devices

Advantys

STB Modules

The core set of Advantys STB modules comprises:

z a set of analog, digital and special I/O modules

z open fieldbus NIMs

z power distribution modules (PDMs)

z island bus extension modules

z special modules

These core modules are designed to specific Advantys STB form factors and fit on

base units on the island bus. They take full advantage of the island’s communication

and power distribution capabilities, and they are auto-addressable.

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