Siemens SX Series User's Guide Page 14

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Siemens Desigo SX Open - SX Configurator, V2.1 CM110702en_06
Building Technologies SX configuration workflow 20 Mar 2012
3.7.2 Completing the BACnet section
Column Step Procedure
BACnet Device Ref
(required)
1
In the BACnet Device sheet, enter the reference to the BACnet device to
which the BACnet object is be assigned
BACnet Object Type
(required)
2
Select the object type for mapping values on the BACnet side (Objects
sheet )
Object Instance
(required)
3
Select an object instance.
Key name
(required)
4
(= User Designation). Automatically entered in the data import process
(normally identical to the BACnet object name)
BACnet Object Name
(required)
5
(= Technical Designation). Automatically entered in the data import
process if this option is enabled.
Description
(optional)
6
Enter an object description, if required.
BACnet Property
(required)
7
Enter a reference to the BACnet property to which the OPC value is to be
mapped (Properties sheet). If blank, [PrVal] is entered.
Destination
(optional)
8
Specify the destination of changes of value for all properties not related to
[PrVal].
Force Update
(optional)
9
Enter as applicable.
Relinquish Default
(optional)
10
Enter a value for relinquish-default.
3.7.3 Completing BACnet information for analog objects
Column Step Procedure
BACnet unit
(optional)
1
Enter a reference number or a shortcut from the Unit sheet.
Min Present Value
(optional)
2
Enter the floating point number which is the minimal value which can be
delivered from OPC item.
Max Present Value
(optional)
3
Enter the floating point number which is the maximum value which can be
delivered from OPC item.
COV increment
(optional)
4
Enter a value for COV increment.
Deadband
(optional)
5
Enter a value for deadband.
Resolution
(optional)
6
Enter a value for resolution.
Update Interval
(optional,
analog-input only)
7
Enter a value for update interval.
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