User Manual

OPC Object Specifications

Siemens

Building Technologies

ID Object Model

Description

SI400-0100

SI410 Event commands

OPC Item Acked Transitions OPC Item Operation Expected

Result State 1-Ack to offnormal 2-Ack to fault

7 - Normal 0 - None Normal

6 - Ack to offnormal 1 - Silence Alarm

5 - Ack to fault 0 - None Fault

States

Commands on OPC Item Acked Transitions

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.

OPC DA Specifications_V4.0_SI410.xlsx Page 12 of 13