Mitsubishi Electric MELSEC iQ-R - Format of Access Blocks for Event Interaction

APPX
Appendix 7 Data Block Formats
295
A
Format of access blocks for Event interaction
The following shows the buffer memory format of access blocks for Event interaction, including data ranges and availability of
reading/writing data from a CPU module.
When creating a program, read the offset value in the following table with the start buffer memory address displayed with a
configuration function.
R: Read-only, W: Write-only, R/W: Read/Write
Offset Name Description
*1
R/W Initial
value
Data range
+0 STATUS b15 CONTROL The reception status of an Event
notification is stored.
0: Idling
1: Event notification reception
complete
R/W 0 
b14 to
b13
NotifyType The type of received Event notification
is stored.
0: Alarm
1: Event
2: AckNotification
b12 to
b10
FromState The status before an Event
occurrence is stored.
0: Normal
1: Fault
2: Offnormal
3: HighLimit
4: LowLimit
5: LifeSafetyAlarm
7: No data
b9 to
b7
ToState The status after an Event occurrence
is stored.
0: Normal
1: Fault
2: Offnormal
3: HighLimit
4: LowLimit
5: LifeSafetyAlarm
7: No data
b6 AckRequired The AckRequired property value of a
NotificationClass object is stored.
0: False
1: True
b5  Not used
b4 Existence of the StatusFlags in Event
notification
The information on whether a
StatusFlags is included or not in an
Event notification is stored.
0: None
1: Exist
b3 StatusFlags
of Event
notification
InAlarm 0: False, 1: True
b2 Fault 0: False, 1: True
b1 Overridden Always 0
b0 OutOfService 0: False, 1: True
+1 EventTyp
e/Priority
b15 EventType CHANGE_OF_LIFE_SAFE
TY
0: False, 1: True R 0 
b14 BUFFER_READY 0: False, 1: True
b13 OUT_OF_RANGE 0: False, 1: True
b12 FLOATING_LIMIT 0: False, 1: True
b11 COMMAND_FAILURE 0: False, 1: True
b10 CHANGE_OF_VALUE 0: False, 1: True
b9 CHANGE_OF_STATE 0: False, 1: True
b8 CHANGE_OF_BITSTRING 0: False, 1: True
b7 to
b0
Priority The priority of an Event is stored.