BACnet MS/TP and Modbus RTU Server Gateway for Hitachi
4.1.3.8. FanSpeed_status (Multi-state Input Object Type)
It indicates the indoor unit's fan speed.
Property Identifier
Property Datatype
Object_Identifier
BACnetObjectIdentifier
Object_Name
CharacterString
Object_Type
BACnetObjectType
Present_Value
Unsigned
Description
CharacterString
Device_Type
CharacterString
Status_Flags
BACnetStatusFlags
Event_State
BACnetEventState
Reliability
BACnetReliability
Out_Of_Service
BOOLEAN
Number_Of_States
Unsigned
State_Text
BACnetArray[N] of CharacterString
Time_Delay
Unsigned
Notification_Class
Unsigned
Alarm_Values
List of Unsigned
Fault_Values
List of Unsigned
Event_Enable
BACnetEventTransitionBits
Acked_Transitions
BACnetEventTransitionBits
Notify_Type
BACnetNotifyType
Event_Time_Stamps
BACnetArray[N] of BACnetTimeStamp
Profile_Name
CharacterString
Table 4. Fan speed status
Present_Value
1
2
3
4
5
Page 18 of 65
Value
(Multi-state Input, 1)
FanSpeed_status
MULTISTATE_INPUT (13)
1 .. 5
-
-
{FALSE, FALSE/TRUE, FALSE, FALSE}
STATE_NORMAL (0)
NO_FAULT_DETECTED (0), UNRELIABLE_OTHER (7)
FALSE/TRUE
5
Check the Fan speed status table below.
-
-
-
-
-
-
-
-
-
State_Text
Auto
Fan Speed 1
Fan Speed 2
Fan Speed 3
Fan Speed 4
Objects
ASHRAE
Gateway
R
R
R
R
R
R
R
R
O
-
O
-
R
R
R
R
O
R
R
R
R
R
O
R
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
O
-
USER MANUAL Version 2.0.4
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