Product category:
Hardware
News Release from: Ethernet Direct | Subject: BMS Series single/dual-port serial server
Edited by the Buildingtalk Editorial
Team on 09 November 2006
Ethernet Direct speeds industrial
networking
Ethernet Direct BMS Series single/dual-port serial server speeds industrial networking.
Ethernet Direct Corporation, a professional and primary provider of Industrial Networking and communication solutions, is proud to present BMS-136 and BMS-236 Single/Dual-Port Serial Device Server, which provides reliable communication connection between RS-232/422/485 serial devices to an Ethernet LAN/WAN BMS-136 and BMS-236 high speed serial servers network-enable your serial devices, allowing every serial device onsite to be connected to an Ethernet network
This article was originally published on Buildingtalk on 23 Aug 2006 at 8.00am (UK)
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BMS-136 and BMS-236 can be configured as a TCP Client/Server or UDP.
The BMS series can operate in "Direct IP Mode", "Virtual COM Mode", and "Paired Mode".
They are equipped with versatile operation modes which provide a transparent data channel between serial device and the TCP/IP network, and can be accessed through standard TCP/IP protocols.
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It can re-establish the TCP connection every 5 seconds if network malfunction occurs, to keep the device stay connected as soon as possible.
Direct IP Mode.
Direct IP connections allow applications using TCP/IP or UDP/IP network socket programs to communicate with the asynchronous serial port on the BMS-136 or BMS-236.
In this type of application the BMS serial server is configured as a TCP or UDP server.
Virtual COM Mode.
The Virtual COM mode requires the installation of a virtual COM port device driver.
In this mode, the BMS serial server must be set to either TCP/server or UDP/server with a designated communication port number.
The virtual COM driver is a TCP or UDP client.
Once the connection is made, the LAN is transparent to the serial device.
Paired Mode.
Paired mode is also called serial tunneling.
When this type of configuration is selected, no additional software is needed to install in a host PC.
Any two dumb serial devices that can communicate with each other through a serial link will be able to communicate using BMS serial servers and the LAN.
Two BMS serial servers are configured with one set-up as a TCP or UDP client and the other as a TCP/UDP server.
Loop Back.
BMS-136 and BMS-236 can also work at Loop back Mode.
All data can be sent back immediately to make the connection testing easy.
Heart Beat.
BMS-136 and BMS-236 provide a convenient way to establish reliable communications between two devices.
Communication port 5300 is reserved for the Heart beat Protocol.
If a connection failure occurs, the Heart Beat feature will try to reconnect the TCP data connection every 5 seconds until communications is established again.
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