Your Source for Process Measurement & Control
Product Groups
Industrial Ethernet to Serial Device Servers
TRODEKS Engineering | Thermocouples, Pressure Transducers, Flow Meters, PID Controllers
  • 1 Serial Port (OM-ES-511) or 2 Serial Ports (OM-ES-522) Software Selectable as RS232, RS422/485 Full Duplex, or RS485 Half Duplex
  • State-of-the-Art Autogating for Trouble Free RS485 Half Duplex Flow Control
  • Maximum Baud Rate 1,000,000 (1 MegaBaud), Custom Baud Rates
  • 10/100Base TX Ethernet Port
  • -30 to 80°C (-22 to 176°F) Temperature Range
  • User Friendly Interface
  • Web Configuration and RFC2217 Compliant Interface for Users Not Running Windows®
  • IP-30 Rated Non-Conducting Polyamide Enclosure
  • LED Status Indication
  • Integrated DIN Rail Mounting Kit
  • Serial Port Tunneling Allows Serial Cable Replacement Over Any Distance, No Software Required
 Manuals (contact with email : [email protected])


OM-ES-511 (1 serial port) andOM-ES-522 (2 serial ports) aresoftware selectable as RS232,RS422/485 full duplex or RS422half duplex and have removablescrew terminals blocks for easywiring, a slim ‘end on’ case andintegral DIN rail mount. OM-ES-511and OM-ES-522 have an operatingtemperature range of -30 to 80°C(-22 to 176°F) and with 5 to 30 Vdcdual input reverse polarity protectedpower supply making them perfectfor industrial applications. Datatransfer rates up to 1,000,000baud, coupled with 1Mbit/s linedrivers deliver uncompromisingperformance. OM-ES-511 andOM-ES-522 provide simple instantnetworked serial ports in demandingenvironments. Serial Port Tunnelingallows serial cable replacement overany distance, no software required.Suitable to be wired into existingpower and network infrastructureor can be used with a separatepower supply.

Users of the Windows® Operating SystemOur software drivers give you localCOM ports, allowing you to retainyour existing software applicationsand connect to your devices overthe network. COM Port can beassigned from COM 1 to COM255 and the ethernet to serialdevice remembers your COM portassignment on reboots.

Web Interface Users (Linux®/Android™)A web interface allows secureconfiguration and control of theserial ports over a local networkor the internet using any browser.You can access the device via TCP/IP sockets from any networkeddevice like a tablet for Android, PCor phone.

OM-ES-511 and OM-ES-522 Factory Floor ApplicationsFactory floors can be harshenvironments. Extremetemperatures can be generatedin the manufacturing process,machinery can be noisy anddangerous and space is a premium.However engineers still need tobe able to access and maintainequipment safely and withoutdowntime.

As factories expand and modernizeolder equipment and remote devicesneed to be networked, but cablingcan be expensive and impractical,especially over larger areas.

Once your serial equipment isconnected to a OM-ES-511 orOM-ES-522 Ethernet to Serial deviceyou have the option of accessing itover a local network or connectingit to the internet. The devices canbe fitted in areas where it would bedangerous for workers to monitorwhile the factory line is in operation.

Manufacturing process andperformance across a large site canbe monitored and potential faultsdetected before they cause seriousdowntime costs. Use two devicesback to back for serial tunnelling overEthernet, for when you need to extendthe reach of your serial cables.

Ports: 1 port (OM-ES-511) or 2 ports (OM-ES-522) software selectable as RS232, RS422/485 full duplex, or RS485 half duplex
Connector: Removable screw terminal block connector–3.5 mm pitch
Power Input: Redundant DC dual power inputs, reverse polarity protected 5 to 30 Vdc
Power Consumption: 1.4 watt 60 mA@24V typical–2.9 watt maximum
Conductor Wire: 28 to 16 AWG, 0.14 to 1.5 mm (0.005 to 0.059") maximum
Software Selectable as RS232, RS422/485 Full Duplex, or RS485 Half Duplex
Baud Rate: Any custom Baud rate between 60 to 1,000,000 (1 MegaBaud) can be selected
Data Bits: 5, 6, 7 or 8
Parity: Odd, even, none, mark or space
Stop Bits: 1, 1.5 or 2
Flow Control: XON/XOFF Software handshake or RTS/CTS hardware handshake
TX/RX Modes
RS232 Standard: RS232 allows point to point communication between 2 devices
RS422 Standard: RS422 allows one transmitter and up to 10 receivers with data transmitter rates up to 10 megabits per second for distances up to 40 feet and up to 100 Kilobits per second for distances up to 1219 m (4000'). To achieve good long distance noise immunity, 2 wires are used to carry each signal, configured as a twisted pair of cables. The TXD pair and RXD pair are used to carry the data while the RTS pair and CTS pair lines are used for handshaking. Thus 2 twisted pairs are used without handshaking and 4 twisted pair cable is used with handshaking both these schemes allow full duplex data communications.
RS485 Standard: RS485, based on the RS422 standard allows up to 32 driver/receivers pairs on a standard load or 128 low load devices per port can be connected. While only one of these should be transmitting data at any time, the rest can all simultaneously listen to the data. Handshaking is performed by software protocol. Two twisted pairs form a full duplex system. Often only one twisted pair cable is used as the TXD and RXD lines are tied together; this is known as half duplex mode. OM-ES-511 and OM-ES-522 implement a state of the art hardware autogating circuit ensuring error free communications in half duplex configurations.
Industrial Ethernet to Serial RS485: Receivers are 1/8th load allowing up to 256 nodes on the bus. Fail safe open circuit and short circuit protection, protects the Industrial ethernet to serial device server against wiring faults.
Data Rate: 10/100 Mbps
Cabling: Normal/crossover auto-sensing (Auto-MDIX)
Status LED
Green: Device ready
Flashing Yellow: Changing settings
Flashing Between Red and Green: Querying IP
Flashing Green/Red: User performing hard reset
Flashing Between Green and Red/Yellow: IP address diagnostic
Flashing Between Green and Yellow: Initialization diagnostic
Green Light On: Port open
Flashing Green: Data RX/TX
Green Light On: Link established
Flashing Green: Data RX/TX
Operating Temperature: -30 to 80°C (-22 to 176°F)
Storage Temperature: -40 to 85°C (-40 to 185°F)
Ambient Relative Humidity: 5 to 95% RH (non-condensing)
Housing: NEMA 1 (IP-30) rated non-conducting polyamide case with integrated DIN rail mount
Weight: 21 g (0.74 oz)
Dimensions: 114.5 L x 22.6 W x 99 mm H (4.5 x 0.89 x 3.9")
Network Protocols: ICMP, IP, TCP, UDP, DHCP, BOOTP, Telnet, HTTP, RFC2217
Configuration Options: Windows operating system, Web Interface
OS Compatibility: Windows 2000, Windows XP, Windows Vista®, Windows 7, and Windows 8; Windows Server®
Connection to Network: Ethernet 10 Base T/100 Base TX
Performance: Throughput guaranteed minimum of 95% of theroretical bi-direction full duplex band width at 1 MBaud
CTS False to Transmitter Stop: 3 characters maximum, 1.5 typical
XOFF Received to Transmitter Stop: 3 characters maximum, 1.5 typical
RS485 Autogating Turn Around Time: <1 bit time

Note: Android is a trademark of Google, Inc. Windows, Windows Vista, and Windows Server are registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.
Linux® is a registered trademark of Linus Torvalds in the U.S. and other countries.
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