Product Overview
1-8
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
1.3 IM 153-x: Variants and Features
Brief Overview of the Different IM 153-x
The IM 153-x modules are I/O interfaces for signal modules (SM), function
modules (FM) and communication processors (CP).
They have an RS 485 interface (IM 153-2 also available with fibre-optic cable
interface) and provide a graduated range of functions. The respective variants of
the IM 153-2 with RS 485 and fiber-optic cable interface have identical
functionality.
The IM 153-1 is also available as a variant for use in the extended range of
environmental conditions (outdoor).
Features and Functions
You can find a detailed overview of the features and functions of the different
IM 153-x and their current versions in Table 1-2 on page 1-9.
You can find a comparison with the previous versions, which are not included in
this table, in Chapter 9.
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