Mitsubishi Electric MELSEC iQ-R User Manual page 125

The data blocks which can be used for each function are as follows:
Function
BACnet request function Read function
Write function
BACnet monitoring function
COV interaction function
Event interaction function
BACnet request function
BACnet monitoring function
COV interaction function
Precautions
• Each data block has a limit of number that can be registered. (MELSEC iQ-R BACnet Module User's Manual (Startup))
• Be aware of the number of buffer memory to be used. (Page 263 Buffer memory utilization)
Data block Description
Access block for A data block for reading values from the properties in a BACnet
reading module or a BACnet device.
Access block for A data block for writing values to the properties in a BACnet module
writing or a BACnet device.
Access block for A data block for monitoring the values of properties in a BACnet
BACnet monitoring module or another BACnet device.
Access block for A data block for receiving COV notifications from a BACnet module
COV interaction or a BACnet device.
Access block for A data block for receiving Event notifications from a BACnet module
Event interaction or a BACnet device.
RDTB A data block for storing property values.
Reference
Page 291 Format of
access blocks for
reading
Page 292 Format of
access blocks for
writing
Page 293 Format of
access blocks for
BACnet monitoring
Page 294 Format of
access blocks for
COV interaction
Page 295 Format of
access blocks for
Event interaction
Page 289 Format of
RDTB
1 FUNCTIONS
123
1.3 Data Block Function
1