Difference between revisions of "APDU"

From BACnet Wiki
Jump to: navigation, search
 
Line 14: Line 14:
 
| colspan = 3 | [[NPCI]]  
 
| colspan = 3 | [[NPCI]]  
 
|-
 
|-
| rowspan=2 | [[NSDU]] == [[APDU]] if [[NPCI Control Octet]] bit 7 false  || rowspan = 2 | APDU || [[APCI]] Application Protocol Control Information
+
| rowspan=2 | [[NSDU]] == [[APDU]] if [[NPCI Control Octet]] bit 7 false or [[RPDU]] if bit 7 is true || rowspan = 2 | APDU || [[APCI]] Application Protocol Control Information
 
|-
 
|-
 
| [[ASDU]]
 
| [[ASDU]]

Latest revision as of 10:37, 9 November 2018

BACnet APDUs carry the Application Layer parameters. The maximum size of an APDU is specified by a device's Max_APDU_Length_Accepted.


This is one of the two alternatives for NSDU. The other is RPDU.


See PDU Type for examples of different APDUs


NPDU
NPDU
NPCI
NSDU == APDU if NPCI Control Octet bit 7 false or RPDU if bit 7 is true APDU APCI Application Protocol Control Information
ASDU


Keyword List
APDU BBMD BVLC BVLL DADR DNET Encoding I-Am LSAP MAC NPCI NPDU NSAP NSDU SA SADR SNET

Device Profiles

Edit this box.

Glossary