(N) Operation via communication and its settings
Mailbox parameter / Mailbox value (BACnet registers)
● Access to the properties which are not defined as objects are available by using "Mailbox param-
eter" and "Mailbox value".
● To read a property, write the register of the intended property to "Mailbox parameter", and then
read "Mailbox value". To write a property, write the register of the intended property to "Mailbox
parameter", and then write a value to "Mailbox value".
● System environment variable
Tab. 5-271: BACnet registers for system environment variable
Tab. 5-272: Read and write values for operation mode status and setting
Writing is available depending on the Pr. 79 and Pr. 340 settings. For the details, refer to page 5-128.
The restrictions depending on the operation mode changes according to the computer link
● Real time monitor
The register numbers and the monitor items are the same as those of the MODBUS® RTU real time
monitor. Refer to the MODBUS® RTU real time monitor on page 5-198.
5 - 516
Operation mode / inverter setting
PU + EXT
For write, set data as the operation mode
For read, data is read as the operation mode