Denkovi SmartDEN IP-32IN, Руководство пользователя

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SmartDEN IP-32IN User Manual
17 Jan 2018
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7.9. Digital Inputs
Figure 33. Digital Inputs settings

Description - digital input identification string (max 7 chars);

Counter - every digital input works as a 16 bit software counter as well. The
counter is incremented at rising, falling, or both edges depending on the
SNMP Trap Value parameter. The counter is cyclic and it can be set or
cleared by the user anytime via this parameter. The values which can be for
this parameters are from 0 up to 65535;
The counters are software and not hardware. Due to this there are some
considerations which must be taken in mind when work with them:

In case of 0 ms for Filter and no requests are sent to the controller
(no SNMP, no HTTP, logged out from web server) but just counting
pulses, it is possible to achieve frequency about 10Hz or this is
50ms ON and 50ms OFF. This is the recommend state for counting
pulses;

In case of 0 ms for Filter but there is active web session in web
server and the monitoring page is opened, then it is possible to