Mitsubishi Electric MELSEC iQ-R User Manual page 263

Device object (Un\G16 to Un\G31)
The data of the Device object in a BACnet module is stored.
Un\G17 to Un\G24 are used for receiving TimeSynchronization services or UTCTimeSynchronization services from another
BACnet device. (Page 163 To change the time in a CPU module)
Additionally, the data to be stored to each address is shows in the following table.
Additionally, the availability of reading from/writing to a CPU module is shown in the following table.
R: Read-only, W: Write-only, R/W: Read/Write
Name Address
Device object Un\G16
Un\G17
Un\G18
Un\G19
Un\G20
Un\G21
Un\G22
Un\G23
Un\G24
Un\G25
Un\G26
Un\G27
Un\G28 to Un\G31
IP address (Un\G32 to Un\G35)
The IP address set in [Settings]  [Network Information]  "IPv4"  "IP Address" in a configuration function is displayed.
The following table shows the availability of reading from/writing to a CPU module.
R: Read-only, W: Write-only, R/W: Read/Write
Name Address
IP address Un\G32
Un\G33
Un\G34
Un\G35
Description
The value of a SystemStatus property is stored.
0: Operational
1: OperationalReadOnly
2: DownloadRequired
3: DownloadInProgress
4: NonOperational
5: BackupInProgress
Four-digit year data is stored.
Month data (01 to 12) is stored.
Date data (01 to 31) is stored.
Time data (00 to 23) is stored.
Minute data (00 to 59) is stored.
Second data (00 to 59) is stored.
Day-of-week data is stored.
1: Monday, 2: Tuesday, 3. Wednesday, 4: Thursday, 5: Friday, 6:
Saturday, 7: Sunday
Time setting request flag
0: Idling, 1: Setting request, 2: Configured
Reserved area
The upper 16 bits of an instance number (32 bits) in a BACnet module
is stored.
The lower 16 bits of an instance number (32 bits) in a BACnet module
is stored.
Reserved area
Description
An IP address (first octet) is stored in decimal number in word (16 bits).
An IP address (second octet) is stored in decimal number in word (16 bits).
An IP address (third octet) is stored in decimal number in word (16 bits).
An IP address (fourth octet) is stored in decimal number in word (16 bits).
R/W Initial Remar
value ks

R 0

R 0
R 0 

R 0

R 0

R 0

R 0
R 0 

R/W 0
 0 Fixed to
0

R 254
R 0 

0 Fixed to
0
R/W Initial
value
R 192
168
0
254
APPX
Appendix 2 Buffer Memory
A
261