Name: Siemens SIMATIC S7-300 Module data
Brand: Siemens
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Expert Functions

5.6 Measuring Function

Connection of the SINAMICS S120 to the Technology CPU

Product Information, 09/2011, A5E00480378-04

159

5.6.3 Fetching the measuring inputs using the TM17 terminal module

Introduction

Digital inputs for the connection to a measuring input are available at the

TM15 Terminal Module and TM17 High Feature. These can only be used for

a single measurement for the Technology CPU.

This measuring signal is used to record the current position value of an axis and which is

made available to the user program. The measuring signal is formed from a signal from the

system, e.g. using a light barrier or a Bero.

The measured actual position value is needed for tasks such as flying shears or a rotating

cutting blade.

The following section describes the configuration of a measuring input using the

TM17 terminal module.

Creating a TM17 terminal module with a measuring input

Prepare your project as described in the "Commissioning (Page 15)" chapter of this

product information so that an appropriate HW Config hardware configuration and a

NetPro network configuration are present. At least a drive and an axis must be created

in S7T Config.

For the "Measuring" function using a TM17 terminal module, a TM17 terminal module must

be integrated in the SINAMICS topology, the function of a measuring input must be created

and the PLC user program must be extended.

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