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System Overview
The S5-115U offers floating and non-floating analog input modules. They use one range card for
every four channels to adapt the desired signal level.
This feature allows you to do the following:
•
have up to four different measuring ranges on one module, depending on the number of
channels a module has
•
change the measuring ranges simply by exchanging range cards
Three analog output modules cover the various voltage or current ranges of analog actuators.
1.2.4
Intelligent Input/Output Modules
Counting rapid pulse trains, detecting and processing position increments, measuring time and
speed, closed-loop control, and positioning are just a few of many time-critical jobs. The central
processor of a programmable controller usually cannot execute such jobs fast enough in addition
to its actual control task. The S5-115U provides intelligent input/output modules (IPs) to handle
these time-critical jobs. Use these modules to handle measuring, closed-loop control, and open-
loop control tasks rapidly in parallel to the program.
Most of the modules have their own processor to handle tasks independently. All these modules
have a high processing speed and are easy to handle. Standard software puts them into
operation.
1.2.5
Communications Processors
The S5-115U offers a number of special communications processors (CPs) to make communication
easier between man and machine or machine and machine.
The two main groups of CPs are as follows:
•
CPs for local area networks
•
CPs for linking, signalling, and logging
1.3
Expansion Capability
If the connection capability of one central controller (CC) is no longer sufficient for your machine
or system, increase the capacity with expansion units (EUs).
Interface modules connect a CC to EUs and connect EUs to each other. Choose an interface
module suitable to the controller configuration you need.
1-4
S5-115U Manual
EWA 4NEB 811 6130-02b
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