Wiring
4.3 Terminal and block diagrams
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
106 Manual, 12/2017, A5E40898741-AA
Digital outputs HSC-DQ0 and HSC-DQ1
Two digital outputs are available for each high-speed counter. Digital output HSC-DQ0 is a
logical output that cannot be interconnected with a digital output of the on-board I/O. Digital
output HSC-DQ0 can only be used via the user program. HSC-DQ1 is a physical output that
can be interconnected with a digital output of the on-board I/O.
The digital outputs are 24 V sourcing output switches relative to M and can be loaded with a
rated load current of 0.1 A. The outputs used as standard outputs have a rated load current
of 0.5 A. The digital outputs are protected against overload and short-circuit.
Note
It is possible to directly connect relays and contactors without external wiring. For information
on the maximum possible operating frequencies and the inductance values of the inductive
loads at the digital outputs, refer to the Tec
hnical specifications section.
The section Interconnection overview of outputs (Page 111) provides an overview of which
digital outputs you can interconnect to which high-speed counters. Digital outputs to which
no high-speed counter is interconnected can be used as standard outputs. The maximum
output delay of each digital output used as standard output is 500 µs.
digital inputs/outputs with technology functions, i.e. interconnect high-speed
counters with the inputs/outputs, you must use shielded cables and the infeed element for
shielding.
For more information on configuring the inputs of the high-speed counters, refer to the
S7-1500, ET 200MP, ET 200SP Counting, measurement and position detection
(http://support.automation.siemens.com/WW/view/en/59709820) function manual and the
STEP 7 online help.
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