Table 5 Stack Specific Packet Types - Honeywell ISA100 Gen X User Manual

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identified by all the 16 bytes of the address being 0. Local indications are typically marked by

setting the address pointer to Null in the call to upper layer functions, or when inserted in the

ASL queue.

Priority

NT8

Stack Specific Packet

The stack specific IPC data packets are used for non-ISA100 functions as mentioned in Stack

Specific Packet Types. Addition of a stack specific function requires special handling functions,

which in turn increases the flash and sometimes RAMS utilization. In addition, these functions

are not prioritized in the ASL queue and can disrupt normal DMAP APDU message processing.

For these reasons, this class of data has been only implemented and used if an operation cannot

be achieved using the local support for ASL queued APDU services.

Stack Specific Packet Types

The Sensor uses ASL queued APDU class requests and APDU indications for both local and

network APDU packets.

For Stack Specific Class, the following packet types are supported:

ISA100_JOIN_STATUS

ISA100_GET_TAI_TIME

ISA100_CONTRACT_REQUEST

ISA100_NOTIFY_ADD_CONTRACT

ISA100_NOTIFY_DELETE_CONTRACT

ISA100_CONTRACT_TERMINATE

ISA100_NOTIFY_JOIN

Src TSAP

Dst TSAP

UINT8