Expert Functions
5.6 Measuring Function
Connection of the SINAMICS S120 to the Technology CPU
Product Information, 09/2011, A5E00480378-04
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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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