Appendix 2 Buffer Memory - Mitsubishi Electric MELSEC iQ-R User Manual

Appendix 2
This chapter explains the buffer memory of a BACnet module.
Buffer memory list
The following shows the list of the buffer memory of a BACnet module.
Address: Name
Decimal
(hexadecimal)
0 to 2 Version information of a
(0h to 2h) module
3 to 15 System area
(3h to Fh)
16 to 31 Device object
(10h to 1Fh)
32 to 35 IP address
(20h to 23h)
36 to 255 System area
(24h to FFh)
256 to 65535 Data assignment area
(100h to FFFFh)
Precautions
Do not write data to "System area" in buffer memory. Doing so may cause the malfunction of the programmable controller
system.
Buffer Memory
Description
The version of a BACnet module is stored. (Page 260
Version information of a module (Un\G0 to Un\G2))
Use prohibited
The information of a Device object in a BACnet module is
stored. (Page 261 Device object (Un\G16 to Un\G31))
The IP address of a BACnet module is stored. (Page
261 IP address (Un\G32 to Un\G35))
Use prohibited
An area for reading/writing data between a CPU module and
BACnet module is assigned. (Page 262 Data
assignment area (Un\G256 to Un\G65535))
Initial value Remarks

The version of the BACnet
module used.
 
 
192.168.0.254 IPv4 only
 

0
APPX

Appendix 2 Buffer Memory

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