This DataType is an enumeration that defines the various fault states that may be supported by an object. Its values are defined in Table 158.
Table 158 – BACnetReliability Values
|
Name |
Value |
Description |
|
NoFaultDetected |
0 |
The present value is reliable; that is, no other fault has been detected. |
|
NoSensor |
1 |
No sensor is connected to the Input object. |
|
OverRange |
2 |
The sensor connected to the Input is reading a value higher than the normal operating range. If the object is a Binary Input, this is possible when the Binary state is derived from an analog sensor or a binary input equipped with electrical loop supervision circuits. |
|
UnderRange |
3 |
The sensor connected to the Input is reading a value lower than the normal operating range. If the object is a Binary Input, this is possible when the Binary Input is actually a binary state calculated from an analog sensor. |
|
OpenLoop |
4 |
The connection between the defined object and the physical device is providing a value indicating an open circuit condition. |
|
ShortedLoop |
5 |
The connection between the defined object and the physical device is providing a value indicating a short circuit condition. |
|
NoOutput |
6 |
No physical device is connected to the Output object. |
|
UnreliableOther |
7 |
The controller has detected that the present value is unreliable, but none of the other conditions describe the nature of the problem. A generic fault other than those listed above has been detected, e.g., a Binary Input is not cycling as expected. |
|
ProcessError |
8 |
A processing error was encountered. |
|
MultiStateFault |
9 |
The FAULT_STATE, FAULT_LIFE_SAFETY or FAULT_CHARACTERSTRING fault algorithm has evaluated a fault condition. |
|
ConfigurationError |
10 |
The object's properties are not in a consistent state. |
|
CommunicationFailure |
12 |
Proper operation of the object is dependent on communication with a remote sensor or device and communication with the remote sensor or device has been lost. |
|
MemberFault |
13 |
Indicates that the set of referenced member objects includes one or more Status_Flags properties whose FAULT flag value is equal to TRUE. |
|
MONITORED_OBJECT_FAULT |
14 |
Indicates that the monitored object is in fault. |
|
TRIPPED |
15 |
The end device, such as an actuator, is not responding to commands, prevented by a tripped condition or by being mechanically held open. |
Its representation in the AddressSpace is defined in Table 159.
Table 159 – BACnetReliability Definition
|
Attribute |
Value |
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|
BrowseName |
BACnetReliability |
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|
IsAbstract |
False |
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|
References |
NodeClass |
BrowseName |
DataType |
TypeDefinition |
Other |
|
|
Subtype of the Enumeration type defined in OPC 10000-5 |
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|
0:HasProperty |
Variable |
0:EnumValues |
0: EnumValueType[] |
0:PropertyType |
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