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Serial to Ethernet

Serial to Ethernet

Connect Legacy Serial Equipment to Your Network

Many businesses have substantial investments in machinery that cannot connect to a LAN or WAN. Communication for older manufacturing and automation equipment was built with serial ports. Protocols like RS-232, RS-422, and RS-485 let devices send and receive data through this port but don't support network access. That prevents data acquisition, fault reporting and diagnosis, or control from remote locations. A replacement may appear to be the only solution. But, there is a far less expensive option: a serial to Ethernet converter (sometimes known as a serial device server).

With Ethernet fast becoming the de facto industrial network standard, it's hard to connect older serial-based equipment. Serial-to-Ethernet converters are the solution. A serial-to-Ethernet converter accepts serial data transmitted at low speed and rebroadcasts it in packetized form over Ethernet. It lets a computer, meter, or PLC without an Ethernet port receive test and measurement data. Thus, serial data can be transmitted over any standard Ethernet network. With full duplex bi-directional capabilities, the reverse is also true. A networked machine or PLC can send signals to the serial device at the appropriate rate. This could open a valve or gate, initiate a process, or perform any of the other myriad tasks needed in a modern industrial setting.

 

Key Characteristics

The minimum feature set includes a nine-pin DB9 connector that accepts a serial cable, an RJ45 socket for Ethernet, and firmware to handle the data format conversion. The in-built firmware, which gives the device server a configurable IP address, must be easy to set up and use and capable of updates if needed. It also ensures the device software is independent of the employed operating system or any proprietary protocols. All work with RS-232, RS-422, and RS-485 and provide multiple configuration methods such as a built-in web server, Telnet, serial console, or a Windows-based utility. For long life and high reliability, look for a rugged metal enclosure, broad DC power input range, wide operating temperature, and ESD protection. DIN-rail mounting brackets simplify installation and are either standard or available as a kit, depending on the model purchased.

Product Range

Serial-to-Ethernet converters are available in a variety of port counts and configurations to serve an extensive set of applications. The STE-501C industrial device server provides single Ethernet and serial ports, allowing for network connection of a single device. The STE-502C has two serial ports. The STE-6104C-T has four serial and two Ethernet ports. Doubling-up on Ethernet ports enables daisy-chaining or provides for redundant network connections.  Baud rates are adjustable to suit the connected equipment, and the embedded firmware is upgradeable from the field.  These converters accept the nine-pin D-sub or DB-9 connector. 

Communication with Legacy Equipment

With the durability of old industrial equipment, serial-to-Ethernet converters are one of the best upgrades. Ethernet connectivity is taken for granted in the latest generations of equipment but may be absent in older hardware. That prevents users from reaping the benefits of remote access to retrieve and share test and process data. When legacy equipment includes a serial port offering bi-directional communication over RS-232, RS-422 or RS-485, linking a port to a device server lets this equipment go on a network. With a unique IP address, it enables access from any number of locations.

For further information about connecting your serial port based equipment to Ethernet, contact your networking specialists at Westward Sales.

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Antaira STE-501C RS-232/422/485 Serial to Fast Ethernet ConverterLooking to connect your serial ..
$145.00
Industrial 8-Port RS-232/422/485 Serial Device Server, AC Input, 1U Rack Mount SizeThe STE-708 s..
$919.00
Industrial 16-Port RS-422/485 Serial Device Server, AC Input, 1U Rack Mount SizeThe STE-716Bi&nb..
$1,469.00
Antaira SED-1010S High-Speed RS-232 over CAT-5 Extender, 1.2 km Distance with Surge ProtectionTh..
$120.00
Antaira STE-502C 2-Port RS-232/422/485 Serial to Ethernet GatewayThe STE-502C from Antaira Techn..
$208.00
Antaira STE-6104C-T-V2 Industrial 4-port RS-232/422/485 to 2-port Fast Ethernet Device ServerThe..
$842.00
Antaira STM-501C 1-Port Modbus TCP to Serial RTU/ASCII GatewayThe STM-501C, MODBUS gateway allow..
$300.00
** DISCONTINUED **This product is discontinued with no designated replacement but available whi..
$398.00
** DISCONTINUED **This product is discontinued with no designated replacement but available whi..
$440.00
** DISCONTINUED **This product is discontinued with no designated replacement but available whi..
$550.00
Antaira STW-602C Industrial 2-Port RS-232/422/485 Serial to Wi-Fi GatewayThe STW-602C from Antai..
$237.00
Antaira STW-611C Industrial 1-port Serial to Wi-Fi Device Server with Bridge ModeThe STW-611C is..
$549.00
Antaira STW-612C Industrial 2-port Serial to Wi-Fi Device Server with Bridge ModeThe STW-612C ma..
$589.00
3onedata INP314T-4DI(3IN1) 4-port RS-232/422/485 to 2-port Ethernet Serial Device ServerINP314T-..
$367.00
NP301 1-Port RS-232/422/485 to Fast Ethernet Serial Device ServerOlder industrial OEM and automa..
$82.00
3onedata NP3016T 16-port RS-232/485/422 Rackmount Serial Device ServerNP3016T series a..
$571.00
3onedata NP302T 2-port RS-232/422/485 to Fast Ethernet (10/100TX) Device ServerThe NP302T series..
$129.00
3onedata NP308T 8-port RS-232/422/485 Serial Device Server, 10/100TXNP308T series are ..
$285.00
Serial, Ethernet, Converters