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+====== BACnet IP ======
+{{::internal-bacnet.png?direct&250|}}
+Since version 3.0, WebHMI supports the BACnet IP protocol.
+For the moment, the Read Property and Write Property queries have been implemented. The Present Value properties are read. Such types of registers are read and written:
+  *Analog Input
+  *Analog Output
+  *Analog Value
+  *Binary Input
+  *Binary Output
+  *Binary Value
+  *Multi State Input
+  *Multi State Output
+  *Multi State Value
+In WebHMI, such addressing of BACnet IP registers is accepted:
+^Register address	^Description	^Data type	^Read/Write^
+|AIxx	|Analog Input. xx — input number (valid values from 0 to 65535). Examples: AI1, AI12, AI44	|Double Word, Float, 32 IEEE 754	|Read/-|
+|AOxx.yy	|Analog Output. xx — output number(valid value range 0..65535). Example: AO1, AO12, AO44.2, AO23.17. yy — write priority, see below	|Double Word, Float, 32 IEEE 754	|Read/Write|
+|AVxx.yy	|Analog Value. xx — value number (valid value range 0..65535). Example: AV1, AV12, AV44.2, AV23.17. yy — write priority, см. ниже	|Double Word, Float, 32 IEEE 754	|Read/Write|
+|BIxx	|Binary Input. xx — input number(valid range 0..65535). Examples: BI1, BI12, BI44	|Bit	|Read/-|
+|BOxx.yy	|Binary Output. xx — output number (valid range 0..65535). Examples: BO1, BO12, BO44.2, BO23.17. yy — write priority, см. ниже	|Bit	|Read/Write|
+|BVxx.yy	|Binary Value. xx — value number (valid range 0..65535). Examples: BV1, AV12, BV44.2, BV23.17. yy — write priority, см. ниже	|Bit|Read/Write|
+|MIxx	|Multi State Input. xx — input number(valid range 0..65535). Examples: MI1, MI12, MI44	|Byte, Unsigned Int|Read/-|
+|MOxx.yy	|Multi State Output. xx — output number(valid range 0..65535). Examples: MO1, MO12, MO44.2, MO23.17. yy — write priority, см. ниже	|Byte, Unsigned Int|Read/Write|
+|MVxx.yy	|Multi State Value. xx — output number(valid range 0..65535). Examples: MV1, MV12, MV44.2, MV23.17. yy — write priority, см. ниже	|Byte, Unsigned Int|Read/Write|
+When writing new values to registers with missing '.yy' in the register's address the default priority is used. Example of such address: AI22
+If you specify a number from 1 to 16 after the point, for example AI22.9, then writing to the register will occur with the specified priority. In this example, this will be 9.
+If you want to organize writing with the priority NULL, then in the register address you need to specify the number 17. Example AI22.17.