24
BACnet / Electric Water Heaters
Data Types
Table 19. Data Types Supported
Object Type
Service
Read Property
Write Property
A n a l o g O u t p u t
Analog Value
Real
Real, Unsigned, Integer, Null
Analog Input
Real
1$
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Enumerated
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Enumerated
1$
Multi-state Output
Multi-state Value
Unsigned
Real, Enumerated, Unsigned, Integer, Null
Multi-state Input
Unsigned
1$
Object Types and Property Support
Table 20. Object Types/Property Support Table
Property
Device
Binary
Input
Binary
Output
Binary
Value
Analog
Input
Analog
Output
Analog
Value
Multi
Input
Multi
Output
Multi
Value
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R
R
R
R
R
R
R
R
R
R
Object Name
R
R
R
R
R
R
R
R
R
R
Object Type
R
R
R
R
R
R
R
R
R
R
System Status
R
Vendor Name
R
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R
Model Name
R
Firmware Revision
R
App S/W Revision
R
Protocol Revision
R
Services Supported
R
Object Types Supported
R
Object List
R
Max APDU Length
R
Segmentation Support
R
APDU Timeout
R
Number APDU Retries
R
Max master
R
Max Info Frames
R
Device Address Binding
R
Database Revision
R
Present Value
R
W
W
R
W
W
R
W
W
Status Flags
R
R
R
R
R
R
R
R
R
Event State
R
R
R
R
R
R
R
R
R
Out-of Service
R
R
R
R
R
R
R
R
Units
R
R
R
R
R
R
Priority Array
R
R
R
R
R
Relinquish Default
R
R
R
R
R
Polarity
R
R
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Содержание ETH-1000
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