5.4 Pulse
An input with this identifier can be used to connect a pulse counter. Pulses with the
following specification can be received:
Mechanical sources (Reed contact) without Namur circuitry, max. pulse
frequency of 25 Hz and a min. 20 ms pulse duration.
Electronic pulse source with max. pulse frequency of 100 Hz and min. 5 ms
pulse duration.
5.4.1 Activate function
Main menu > Commissioning > Extra configuration > Input identifier >
Configuration
Operating lin
e Adjustab
le values / Comment
…X… Pulse
Electronic pulse sources (e.g. Open Collector outputs) generate shorter, less
bouncing pulses than mechanical pulse sources (e.g. relays or Reed contacts).
The type is adjustable.
Main menu > Commissioning > Settings > .... or
Main menu > Settings > Inputs > ...X...
Setting value
Operating line Range Factory setting
Type Mechanically or Electronically Mechanically
5.4.2 Connection diagram
G
G
G0
X... M
G0
R1
N
3123A10
AC 24 V
+/-+/-
R1 Reed pulse source.
37 / 216
Siemens Switching and monitoring device RMS705B CE1P3124en
Building Technologies Inputs 01.04.2010
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