SMC Networks FieldServer FS-8700-16 BACnet PTP, Руководство пользователя

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BACnet PTP Serial Driver Manual
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6.4.2 Driver Specific Map Descriptor Param eters
Column Title Function Legal Values
Node_Name Name of Node to fetch data from.
One of the Node Names specified
in “Server Side Node Descriptors”
Object_Type
(Alias = Data_Type)
Data type in Controller.
AI, AO, AV, BI, BO, BV, MI, MO,
MV, NC. Refer to
Appendix D.1
.
Object_Instance
(Alias = Address)
Instance of the Object on the Device.
0, 1, 2, 3, …4194303
Units* The object units. Refer to
Appendix D.3
, m2
Data_Array_Low_Scale* Scaling zero in Data Array. -32767 to 32767, 0
Data_Array_High_Scale* Scaling max in Data Array. -32767 to 32767, 100
Node_Low_Scale* Scaling zero in Connected Node. -32767 to 32767, 0
Node_High_Scale* Scaling max in Connected Node. -32767 to 32767, 100
Active_Text
5
*
Specify the Active Text property of the
Object. Any text string of length up to 40
characters,
Active
Inactive_Text 5 *
Specify the Inactive Text property of
the Object. Any text string of length up to 40
characters,
Inactive
Relinquish_Default
5
Specify the value to be returned as
Present_Value on startup or when
control is relinquished. Must be
specified for outputs. Refer to
Appendix D.2
.
Any Float value
Length*
Used to create an array of sequential
Object_Instances on an Object_Type. 1 to max point count of the
FieldServer,
1
Notification_Class*
Specify the Mapdescriptor_Name of
the Notification_Class Object that
manages Intrinsic Reporting for this
Map Descriptor. Refer to
Appendix
A.6
.
One of the configured
Mapdescriptor_Names of type NC
(Notification Class). Objects are not
available to any NC if left out.
Ack_Required*
For a Notification_Class Object,
specify whether EventNotifications
require a user Acknowledgement.
Refer to
Appendix A.6
.
Yes, No
COV_Increment*
For a Server Map Descriptor of type
AO or AI, initialize the
COV_Increment property. Refer to
Appendix A.6
.
Any Float value, 0
Input_alarm_State*
For binary points the user can specify
which of the states (0 or 1) to regard
as an alarm state.
0, 1
Description*
Specify the
object’s description
property. E.G. Room Temp
– Refer to
Appendix A.7
.
Any text string of length up to 40
characters, if not configured,
defaults to Object_Name.
5
See the BACnet DFS to determine if a particular object supports this property.