Wiring
4.3 Terminal and block diagrams
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
108 Manual, 12/2017, A5E40898741-AA
Addresses of pulse generators in the PTO mode
You connect the encoder signals, the digital input and output signals and the encoder
supplies to the two 40-pin front connectors of the digital on-board I/O. For information on
wiring the front connectors and establishing the cable shield, refer to the S7-1500, ET
200MP system manual (http://support.automation.siemens.com/WW/view/en/59191792).
In addition to supporting its outputs, each PTO channel also supports the three following
optional inputs:
● Reference Switch (RS)
● Measuring Input (MI)
● Drive Ready (DR)
Input addresses of the pulse generators (PTO)
You make the settings of the digital input addresses used by the pulse generators (PTO) in
the hardware configuration of STEP 7 (TIA Portal). When you configure the compact CPU
you can individually activate and configure the four PTO channels.
Assignment of PTO addresses of inputs
A direct connection from the PTO to an input of the on-board I/O is established through the
interconnection. You can find an overview of the options for interconnecting the inputs (DI0
to DI15) to the available PTO channels (PTO1 to PTO4) in the section Interconnection
overview of the inputs (Page 109).
Assignment of the PTO addresses of the outputs
The section Interconnection overview of outputs (Page 111) provides an overview of which
digital outputs you can interconnect to which PTO channels.
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