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

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APPX
Appendix 7 Data Block Formats
Format of access blocks for COV interaction
The following shows the buffer memory format of access blocks for COV 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 R/W Initial
value
Data range
+0 CONTROL The reception status of a COV notification is
stored.
0: Idling
1: COV notification reception complete
R/W 0 0h to 1h
+1 StatusFlags b15 Existence of the StatusFlags in
COV notification
The information whether a StatusFlags is
included or not in a COV notification is
stored.
0: None
1: Exist
R0 
b14 to b8  Not used
b7 StatusFlags InAlarm 0: False, 1: True
b6 Fault 0: False, 1: True
b5 Overridden Always 0
b4 OutOfService 0: False, 1: True
b3 to b0  Not used
+2 to +5 PresentValue The value of a PresentValue property for a
COV notification is stored.
A format is RDTB.
Page 289 Format of RDTB
R 