Mitsubishi Electric FR-F820-04750 Instruction Manual page 658

(N) Operation via communication and its settings
Communication specifications
The specifications conform to the BACnet standard of physical medium EIA-485.
Item
Physical medium
Network topology
Communication method
Communication protocol
Maximum connection
Node number
Supported property of BACnet standard object
type
Supported BIBBs (Annex K)
BACnet standard device profile (Annex L)
Segmentation
Device address binding
Tab. 5-260: BACnet communication specifications
NOTES This product conforms to BACnet Application Specific Controller (B-ASC).
This product is designed for multiple master network, therefore 2-wire type connection is sup-
ported.
5 - 496
Connection port
Data transfer method
Baud rate
Start bit
Data length
Parity bit
Stop bit
Master
Description
EIA-485 (RS-485)
RS-485 terminal (PU connector is not available)
NRZ encoding
9600 bps, 19200 bps, 38400 bps, 57600 bps, 76800 bps, 115200 bps
Fixed to 1bit
Fixed to 8bits
Fixed to none
Fixed to 1bit
Bus topology
Token passing (token bus)
Master-slave (only the master is available for this product)
MS/TP (master-slave/token passing LAN)
255 (up to 32 for one segment, addition with a repeater is available)
0 to 127
0 to 127 (this product is the master)
Refer to page 5-499
Refer to page 5-509
Refer to page 5-509
Not supported
Not supported
Parameters