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Appendix A: RTU Open Points/Properties in i-Vu®/Field Assistant
Point Name/Description
Analog Input Configuration – Indicates if a duplicate configuration exists at the analog
Input 1 & 2 Functions.
Supply Fan Runtime – Indicates if the supply fan runtime exceeds the value of the
Supply Fan Service Alarm Timer.
Compressor 1 Runtime – Indicates if the compressor 1 runtime exceeds the value of
the Compressor 1 Service Alarm Timer.
Compressor 2 Runtime – Indicates if the compressor 1 runtime exceeds the value of
the Compressor 2 Service Alarm Timer.
Airside Linkage – Indicates if Linkage has failed in a zoned system using Linkage.
Linkage
Navigation:
i-Vu® / Field Assistant:
Point Name/Description
Linkage Collector – Allows access to the Collector's details.
Click to see the following properties on the Summary tab of microblock popup:
Application Type – This parameter indicates the type of Linkage application.
(Display only)
Application Instance – Should always be 1 for i-Vu®/Field Assistant Systems.
NOTE If using a CCN and BACnet System (i.e., CCN Air Terminal to BACnet Air
Source), the Application Instance can be 1, 2, 3, or 4, depending on the
number of air sources used in the system.
Maximum Providers – Indicates the maximum configurable size of the VVT
zoning system. (Display only - fixed value)
Number of Providers – Must be set to 0.
Input Values – Indicates the maximum number of parameters in the collector
array for each device. (Display only)
Feedback Values – Indicates the maximum number (4 possible) of
parameters in the collector array for any RTU Open. (Display only - fixed
value)
Feedback Update Time – Indicates the typical update rate of this application.
(Display only - fixed value)
Input Expiration Time – Indicates the maximum time that the data received
from the master zones, since the last refresh, is considered as valid . (Display
only - fixed value)
RTU Open v3
Installation and Start-up Guide
Properties
Control Program
>
88
Range
R:
Normal/Alarm
R:
Normal/Alarm
R:
Normal/Alarm
R:
Normal/Alarm
R:
Normal/Alarm
Configuration
Service Configuration
>
>
Range
D:
Airside Linkage
D:
1
R:
1
2
3
4
D:
64
D:
0
D:
24
D:
8
D:
60 sec
D:
300 sec
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