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BACnet MS/TP to Bacnet Ethernet

A FieldServer protocol gateway that provides data exchange between BACnet MS/TP and Bacnet Ethernet. The BACnet Master-Slave/Token-Passing (MSTP) driver implements a data link protocol that uses the services of the RS-485 physical layer. The BACne...
SKU:
FS-QS-1XX0-0257
Max Points
Max Points: 250, 500
BACnet MS/TP to Bacnet Ethernet
This product is only available upon request Contact us now for a quote

BACnet MS/TP to Bacnet Ethernet


Quickserver Gateway (Serial-Ethernet)

QuickServer is a high performance, fully configurable, cost effective Building and Industrial Automation gateway for integrators to easily interface devices to networks in commercial buildings and industrial plants.

System integrators world-wide have benefitted from the value of the powerful line of interoperability gateways offered by FieldServer. Now, QuickServer adds to that value by running the same robust FieldServer protocol conversion software on a highly cost effective platform backed by the experience, engineering expertise and proven technical support that integrators have come to expect from FieldServer.

QuickServer is available in two series. The FS-QS-10XX Series is preloaded with two BAS drivers (serial, Ethernet and/or LonWorks) from a choice of Modbus RTU, Modbus TCP, BACnet/IP®, BACnet MS/TP, LonWorks®, JCI Metasys® N2 and SNMP. Each QuickServer can handle up to 250 points.

The FS-QS-12XX Series QuickServer is available to use any Serial, Ethernet or LonWorks driver in the extensive FieldServer driver library. The FS-QS-12XX Series can handle up to 500 points and is available with a choice of RS-485, RS-232 or RS- 422 serial ports, KNX or M-Bus, in addition to Ethernet and LonWorks (optional).

Each QuickServer includes browser-based tools to make it easy to set-up QuickServer and perform diagnostics including determination of status, network settings, node information, map descriptors and more. The USB flash drive also includes the Discovery utility to determine what FieldServers are on a network.

BACnet Ethernet

The BACnet®1suite of drivers is designed to workwith the FieldServer products. One or more driversusing different Data Link Layer options could beconfigured to act as a gateway between BACnetsystems and RTU, SCADA's and PLC’s using a widevariety of protocols.

This is relevant to the following FieldServerDrivers:

  • FS-8700-16 BACnet/PTP
  • FS-8700-73 BACnet/MSTP
  • FS-8700-07 BACnet/ARCnet
  • FS-8704-06 BACnet/IP
  • FS-8704-02 BACnet/Ethernet
BACnet Vendor Name: Sierra Monitor CorporationBACnet Vendor ID: 37 

BACnet MSTP

The BACnet Master-Slave/Token-Passing (MS/TP) driver implements a data link protocol that uses the services of the RS-485 physical layer. See the FieldServer BACnet PIC statement for the level of conformance that this driver implements.

All information in a BACnet system is represented in terms of objects. The Object_Identifier is a 32-bit code that identifies the type of Object (also identified by the Object_Type Property) and its "Instance" number, which together uniquely identify the Object within its BACnet device. Theoretically, a BACnet device could have over four million Objects of a particular type. The Object_Name is a text string, which has a unique capability. BACnet devices may broadcast queries for devices that contain Objects with a specific Object_Name. This can greatly simplify project setup.

BACnet requires one Device Object to be present in every BACnet device. The Device Object makes information about the device and its capabilities available to other devices on the networks. Before one BACnet device starts control-related communications with another, it needs to obtain some of the information presented by the other device's Device Object. Unlike other Objects, the Device Object's Instance number must be unique across the entire BACnet internetwork because it is used to uniquely identify the BACnet devices. It may be used to conveniently identify the BACnet device from other devices during installation.

Standard object types are used to hold real time data and other information. Each Object Type is referenced by a number, for example 0 represents an Analog Input.

Each Object consists of a number of prescribed properties, the main property being the Present_Value. Objects are monitored and controlled through their properties. The Analog Input Object is representative of the Objects involved directly with control elements and many of its Properties reflect this.

The information that follows describes how to expand upon the factory defaults provided in the configuration files included with the FieldServer.

Manuals

FS-8700-73_BACnetMSTP Driver manua Rev2.01_2015
FS-8704-02 BACnet Ethernet_Manual
QuickServer Start-up Guide

Datasheets

PDS_BACnet_Combined
FS Application Note - Bacnet Protocols supported by FieldServers
BACnet Combined Protocol Data Sheet
QuickServer Data Sheet

Resources

Additional Information

BACnet MSTP to IP

A BACnet Router is used to connect MSTP trunks to BACNetIP systems. The router itself is a device on the IP and on the MSTP side. The router can also act as BBMD device allowing messages to cross from one subnet to another.

BACnet BBMD

BACnet messages cannot cross from one subnet to another except under special circumstances.

Most BACnet sequenc es of messages begin with a broadcast called 'who is'. All devices respond with 'I am'. That is how they are discovered. It is also how many system confirm the device is still there.

Broadcasts cant cross routers (they are blocked) and therefore devices on the other side of a router cannot e discovered.


BBMD is the name of the BACNet technology that resolves these issues. The BACNet ROuter sold by CAS provides BBMD services as do all FieldServer BACNet products when configured as clients.

Articles

RS485 Networks – Multiple Protocols
RS485 Networks – BACnet MSTP
BACnet MSTP Installation, RS485 and Cables
BACnet MSTP Topology (RS485)
What can go wrong with 485 and BACnet MSTP ?
BACnet MSTP (RS485) – Bandwidth usage
BACnet Explorer set the max master
Segementation in BACnet
BACnet Explorer – Connecting to different types of networks

Gateway Selector

Select your combination of protocols.
Protocol 1
Protocol 2

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