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8.3.4 Optional parameters
The following optional parameters shall be implemented in addition to the standard required parameters for all
relevant object types:
Description
Device_Type
8.3.5 BACnet Services
Services required by the BACnet Application Specific Controller Profile (B-ASC) are supported, as detailed in
the following table:
Application Service
ReadProperty
WriteProperty
DeviceCommunicationControl
Who-Is
Who-Has
8.3.6 Foreign Device Registration
A 'foreign device' has a different subnet address from the devices on the BACnet/IP network that it wishes to
join. The device must register with a BBMD (BACnet Broadcast Management Device) which then forwards
broadcast messages allowing full participation in the BACnet/IP network.
8.3.7 BACnet Configuration
Section 6.2.5 provides details for configuring BACnet on the instrument.
The BACnet parameters described in Section 8.3 can be configured using the iTools software.
September 18
FEC920: USER GUIDE
Table 5: Optional Parameters
Property
R/W
R
R
Table 6: Services Required by B-ASC Profile
Request the value of one property of a BACnet object
Modify value of a single property (if permitted)
Allows an operator to take device communications on
or off-line. With support for optional password.
Asks about the presence of specified BACnet devices
Asks about the presence of specified Objects either by
type and instance or by name
Figure 111 Foreign Device Registration
A5E45696052A Rev-AA
Description
Alphanumeric description of channel function, eg "Furnace 1".
Alphanumeric description of Input type for the channel eg 'Off',
'Thermocouple', 'mV'
Description
Service Type
Object Access
Object Access
Remote Device Management
Remote Device Management
Remote Device Management
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