iSMA-B-MINI/MIX BACnet User Manual
www.ismacontrolli.com
DMP261en | 1st Issue rev. 8 | 05/2022
page 46 of 114
The parameter is also available as the BACnet UI Analog Input object property number
4002.
8.1.4 UI FILTER Object (Analog Value: 14-21)
The object is used to determine the time constant of the low pass filter. The value is
expressed in seconds. Valid values must be in the range from 0 to 60 seconds. The
default value is 2 seconds. Setting the value to 0 disables the filter.
The parameter is also available as the BACnet UI Analog Input object property number
4003.
In case of the UI shortcut or open-loop, the filter is reset and UI value filtering is stopped.
8.1.5 UI DRY_CONTACT Object (Binary Value: 0-7)
The object contains information about the status of digital inputs (dry contact). If the input
is shorted to the ground, the value is set to 1. The UI_DRY_CONTACT object works only if
the UI_CONFIGURATION object is set to resistance or temperature.
This status is also available as the BACnet UI Analog Input object property number 3013.
8.2 Digital Input BACnet Objects
8.2.1 BI - Digital Input Object Description (Binary Input: 0-11)
Each of the digital inputs in all types of modules is represented on the BACnet network as
the BACnet Binary Input object with the following properties:
Dynamically creatable: no, dynamically deletable: no.
Property
Name
Required
Proprietary
Writeable
Property ID
Data Type
Description
OBJECT_IDENTIFI
ER
Yes
From BI:0 to BI:11
OBJECT_NAME
Yes
BI-x
OBJECT_TYPE
Yes
PRESENT_VALUE
Yes
PRESENT_VALUE
property
STATUS_FLAGS
Yes
EVENT_STATE
Yes
WARNING!
Setting the 16-bit resolution increases the measurement time for one channel from
10 ms to 140 ms. The total time necessary to measure all the channels increases from
80 ms to 1120 ms.
