User Manual
OPC Object Specifications_1
Siemens
Building Technologies
ID Object Model
Description
FS20EN-0340
FS20EN Event commands
OPC Item Acked Transitions OPC Item Operation Expected
Result State
7 - Normal 0 - None Normal
6 - Ack to offnormal 1 - Silence Alarm
5 - Ack to fault 0 - None Fault
7 - Normal 4 - Reset To reset
Commands on OPC Item Operation
Expected
1-Ack to offnormal
2-Ack to fault
4-Reset
This is not an Object Model but provides the read-only information about the event states. The
event related to the point can require the acknowledge, silence/unsilence, and reset commands.
States
Commands on OPC Item Acked Transitions
X
X
X
OPC DA Specifications_V3.0_FS20EN.xlsx Page 36 of 45