Template:Networking rutos manual bacnet rut2 rut9

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The information in this page is updated in accordance with firmware version .

Summary

BACnet is a communication protocol for building automation and control (BAC) networks that use the ASHRAE, ANSI, and ISO 16484-5 standards protocol.

This manual page provides an overview of the BACnet functionality in {{{name}}} devices.

Note: BACnet is additional software that can be installed from the System → [[{{{name}}} Package Manager|Package Manager]] page.

General Configuration

Field Value Description
Enable off | on; default: off Enables BACnet router function.
Enable BBMD off | on; default: off Enables BACnet broadcast management function.
BBMD interface network interface; default: eth0 Specifies interface for BBMD function. IP address of this interface should be reachable from WAN.
Port forward off | on; default: off Creates port forward firewall rule to make application port in LAN reachable from selected BBMD interface.
Force gateway off | on; default: off Adds configured gateway IP address and port to BBMD packages sent.
Gateway address ip4; default: none Gateway IP address.
Gateway port integer [1..65535]; default: none Gateway port number.

BIP Configuration

Communications in BACnet over IP (BIP) rely upon the protocol rules of IP and Ethernet.

Field Value Description
BIP port integer [1..65535]; default: 47808 BIP UDP port.

MSTP Configuration

MSTP is most commonly used to connect field devices to controllers / routers / control applications. The physical layer uses RS485 which allows up to 31 devices to be installed on a single network.

Field Value Description
MSTP MAC integer [0..127]; default: 13 Router MSTP MAC address.
MSTP MAC max integer [1..127]; default: 127 Maximum client address in the MSTP network.
Baud rate 300 | 600 | 1200 | 2400 | 4800 | 9600 | 19200 | 38400 | 57600 | 115200 | 230400; default: 38400 Serial data transmission rate (in bits per second).
Parity Even | Odd | Mark | Space | None; default: None In serial transmission, parity is a method of detecting errors. An extra data bit is sent with each data character, arranged so that the number of 1 bits in each character, including the parity bit, is always odd or always even. If a byte is received with the wrong number of 1s, then it must have been corrupted. However, an even number of errors can pass the parity check.
  • None (N) - no parity method is used.
  • Odd (O) - the parity bit is set so that the number of "logical ones (1s)" has to be odd.
  • Even (E) - the parity bit is set so that the number of "logical ones (1s)" has to be even.
  • Space (S) - the parity bit will always be a binary 0.
  • Mark (M) - the parity bit will always be a binary 1.
Data bits 5 | 6 | 7 | 8; default: 8 Number of data bits for each character.
Stop bits 1 | 2; default: 1 Stop bits sent at the end of every character allow the receiving signal hardware to detect the end of a character and to resynchronise with the character stream. Electronic devices usually use one stop bit. Two stop bits are required if slow electromechanical devices are used..

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