Change_Of_State_Count; Change_Of_State_Time - WAGO 750-830 Manual

6.10 Change_Of_State_Count

Data Type
Objects
Description

6.11 Change_Of_State_Time

Data Type
Objects
Description
WAGO-I/O-SYSTEM 750
BACnet/IP Controller
List of all BACnet Properties in Native Operation
Unsigned
Binary input, Binary output
This property, of the type Unsigned, represents the number
of times that the Present_Value property has changed state
since the Change_Of_State_Count property was most re-
cently set to a zero value. The Change_Of_State_Count
property has a range of from 0 to 65535 or greater. A
"change of state" is defined as any event that alters the Pre-
sent_Value property.
Binary Input:
When Out_Of_Service is FALSE, a change to the Polarity
property changes the Present_Value property and is there-
fore considered a change of state. When Out_Of_Service is
TRUE, changes to Polarity do not cause changes of state. If
one of the optional properties Change_Of_State_Time,
Change_Of_State_Count, or Time_Of_State_Count_Reset
is present, then all of these properties must be present.
Binary Output:
A change in the Polarity property is not regarded as a
change of state. If one of the optional properties
Change_Of_State_Time, Change_Of_State_Count, or
Time_Of_State_Count_Reset is present, then all of these
properties must be present.
BACnetDateTime
Binary input, Binary output
This property, of the type BACnetDateTime, represents the
date and time at which the most recent change of state oc-
curred. A "change of state" is defined as any event that al-
ters the Present_Value property.
Binary Input:
When Out_Of_Service is FALSE, a change to the Polarity
property changes the Present_Value property is therefore
considered a change of state. When Out_Of_Service is
TRUE, changes to Polarity shall not cause changes of state.
If one of the optional properties Change_Of_State_Time,
Change_Of_State_Count
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