BACNET OBJECT , PROPERTY CODES AND UNITS

In This Article we are going to discuss about BACNET OBJECT , PROPERTY CODES AND UNITS Part 1.

 

BACNET Object Codes :

 

S.NO	CODE	OBJECT
1	AI	Analogue Input
2	AO	Analogue Output
3	AV	Analogue Value
4	BI	Binary  Input
5	BO	Binary Output
6	BV	Binary Value
7	MI	Multi state input
8	MO	Multi state Output
9	MV	Multi state Value
10	NC	Notification Class
11	DV	Device
12	AG	Averaging
13	CL	Calendar
14	CD	Command
15	EE	Event Enrollment
16	FL	File
17	GR	Group
18	LP	Life Safety Point
19	LZ	Life Safety Zone
20	LO	Loop
21	PG	Program
22	SC	Schedule
23	TL	Trend Log

 

 

 

 BACNET Property Codes :

A

S.NO	CODE	OBJECT (A)
1	AK	ACKED TRANSITIONS
2	AQ	ACK REQUIRED
3	AN	PROP ACTION
4	AX	ACTION TEXT
5	AB	ACTIVE COV SUBSCRIPTIONS
6	AT	ACTIVE TEXT
7	AC	ACTIVE VT SESSION
8	AV	ALARM VALUE
9	AS	ALARM VALUES
10	AL	ALL
11	AW	ALL WRITES SUCCESSFUL
12	AM	APDU SEGMENT TIMEOUT
13	AO	APDU TIMEOUT
14	AF	APP SOFTWARE VERSION
15	AE	ARCHIVE
16	AP	ATTEMPTED SAMPLES
17	AG	AVERAGE VALUE

 

B

S.NO	CODE	OBJECT(B)
1	BF	BACKUP FAILURE TIMEOUT
2	BI	BIAS
3	BS	BUFFER SIZE

 

C

S.NO	CODE	OBJECT(C)
1	CC	CHANGE OF STATE COUNT
2	CH	CHANGE OF STATE TIME
3	CL	CLIENT COV INCREMENT
4	CF	CONFIGURATION FILES
5	CR	CONTROLLED VAR REFERENCE
6	CU	CONTROLLED VAR UNITS
7	CV	CONTROLLED VAR VALUE
8	CI	COV INCREMENT
9	CB	COV RESUBSCRIBE INTERVAL
10	CT	CURRENT NOTIFY TIME

 

D

S.NO	CODE	OBJECT(D)
1	DR	DATABASE REVISION
2	DT	DATE LIST
3	DS	DAYLIGHT SAVINGS STATUS
4	DB	DEADBAND
5	DC	DERIVATIVE CONSTANT
6	DU	DERIVATIVE CONSTANT UNITS
7	DN	DESCRIPTION
8	DH	DESCRIPTION OF HALT
9	DV	DEVICE ADDRESS BINDING
10	DY	DEVICE TYPE
11	DG	DIRECT READING

 

E

S.NO	CODE	OBJECT(E)
1	ED	EFFECTIVE PERIOD
2	ET	ELAPSED ACTIVE TIME
3	EL	ERROR LIMIT
4	EE	EVENT ENABLE
5	EP	EVENT PARAMETERS
6	ES	EVENT STATE
7	EM	EVENT TIME STAMPS
8	EY	EVENT TYPE
9	EH	EXCEPTION SCHEDULE

 

F,G,H

S.NO	CODE	OBJECT(F)
1	FV	FAULT VALUES
2	FB	FEEDBACK VALUE
3	FM	FILE ACCESS METHOD
4	FS	FILE SIZE
5	FY	FILE TYPE
6	FR	FIRMWARE REVISION
1	GL	GROUP MEMBERS LIST(G)
1	HL	HIGH LIMIT(H)

 

 

I

S.NO	CODE	OBJECT(I)
1	IT	INACTIVE TEXT
2	IO	INSTANCE OF
3	IC	INTEGRAL CONSTANT
4	IU	INTEGRAL CONSTANT UNITS
5	IP	IN PROCESS
6	IN	ISSUE CONF NOTIFICATIONS

 

 

L

S.NO	CODE	OBJECT(L)
1	LR	LAST RESTORE TIME
2	LV	LIFE SAFETY ALARM VALUES
3	LM	LIMIT ENABLE
4	LD	LOCAL DATE
5	LT	LOCAL TIME
6	LN	LOCATION
7	LB	LOG BUFFER
8	LP	LOG DEVICE OBJ PROP
9	LE	LOG ENABLE
10	LI	LOG INTERVAL
11	LL	LOW LIMIT

 

M

S.NO	CODE	OBJECT(M)
1	MQ	MAINTENANCE REQUIRED
2	MF	MANIPULATED VAR REFERENCE
3	MS	MAXIMUM SEGMENTS ACCEPTED
4	MO	MAXIMUM OUTPUT
5	MV	MAXIMUM VALUE
6	MT	MAXIMUM VALUE TIMESTAMP
7	MA	MAXIMUM APDU LENGTH ACCEPTED
8	MI	MAXIMUM INFO FRAMES
9	MM	MAXIMUM MASTER
10	MP	MAXIMUM PRESENT VALUE
11	MB	MEMBER OF
12	mF	MINIMUM OFF TIME
13	mN	MINIMUM ON TIME
14	mO	MINIMUM OUTPUT
15	mV	MINIMUM VALUE
16	mT	MINIMUM VALUE TIME STAMP
17	mP	MINIMUM  PRESENT VALUE
18	ME	MODE
19	ML	MODEL NAME
20	MD	MODIFICATION DATE

 

N

S.NO	CODE	OBJECT(N)
1	NC	NOTIFICATION CLASS
2	NT	NOTIFICATION THRESHOLD
3	NY	NOTIFY TYPE
4	NR	NUMBER OF APDU RETRIES
5	NS	NUMBER OF STATES

 

O

S.NO	CODE	OBJECT(O)
1	OI	OBJECT IDENTIFIER
2	OL	OBJECT LIST
3	ON	OBJECT NAME
4	OR	OBJECT PROPERTY REFERENCE
5	OY	OBJECT TYPE
6	OP	OBJECT PROPERTY REFERENCES LIST
7	OE	OPERATION EXPECTED
8	OT	OPTIONAL
9	OU	OUTPUT UNITS
10	OS	OUT OF SERVICE

 

P

S.NO	CODE	OBJECT(P)
1	PO	POLARITY
2	PV	PRESENT VALUE
3	PY	PREVIOUS NOTIFY TIME
4	PR	PRIORITY
5	PA	PRIORITY ARRAY
6	PW	PRIORITY FOR WRITING
7	PI	PROCESS IDENTIFIER
8	PG	PROGRAM CHANGE
9	PL	PROGRAM LOCATION
10	PS	PROGRAM STATE
11	PM	PROFILE NAME
12	PP	PROPORTIONAL CONST
13	PU	PROPORTIONAL CONST UNITS
14	PN	PROTOCOL REVISION
15	PC	PROTOCOL CONFORMANCE CLASS
16	PJ	PROTOCOL OBJECT TYPES SUPPORTED
17	PD	PROTOCOL SERVICES SUPPORTED
18	PT	PROTOCOL VERSION

 

R

S.NO	CODE	OBJECT(R)
1	RO	READ ONLY
2	RH	REASON FOR HALT
3	RT	RECIPIENT
4	RL	RECIPIENT LIST
5	RN	RECORDS SINCE NOTIFICATION
6	RC	RECORD COUNT
7	RB	RELIABILITY
8	RD	RELINQUISH DEFAULT
9	RQ	REQUIRED
10	RV	RESERVED
11	RS	RESOLUTION

 

S

S.NO	CODE	OBJECT(S)
1	SM	SEGMENTATION SUPPORTED
2	SL	SESSION KEYS LIST
3	SP	SETPOINT
4	SR	SETPOINT REFERENCE
5	SG	SETTING
6	SD	SILENCED
7	SA	START TIME
8	ST	STATE TEXT
9	SF	STATUS FLAGS
10	SO	STOP TIME
11	SW	STOP WHEN FULL
12	SS	SYSTEM STATUS

 

 

T

S.NO	CODE	OBJECT(T)
1	TD	TIME DELAY
2	TA	TIME OF ACTIVE TIME_RESET
3	TS	TIME OF STATE COUNT RESET
4	TR	TIME SYNC RECIPIENTS
5	TC	TOTAL RECORD COUNT
6	TV	TRACKING VALUE

 

U

S.NO	CODE	OBJECT(U)
1	UN	UNITS
2	UI	UPDATE INTERVAL
3	UO	UTC OFFSET

 

V

S.NO	CODE	OBJECT(V)
1	VS	VALID SAMPLES
2	VV	VARIANCE VALUE
3	VI	VENDOR IDENTIFIER
4	VN	VENDOR NAME
5	VC	VT CLASSES SUPPORTED

 

W,Z

WEEKLY SCHEDULE

S.NO	CODE	OBJECT(W)
1	W K	WEEKLY SCHEDULE
2	W I	WINDOW INTERVAL
3	W S	WINDOW SAMPLES
1	Z M	ZONE MEMBERS(Z)

 

 In Next Article we will see BACNET UNITS..