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ELPRO 805U-E User Manual

805u-e wireless ethernet
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User M anual
805U-E Wirele ss Ethernet
ELPRO Technologies Pty Ltd, 9/12 Billabong Street, Stafford Q 4053, Australia.
Tel: +61 7 33524533 Fax: +61 7 33524577
Email: sales@elprotech.com
Web: www.elprotech.com

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  • Page 1 User M anual 805U-E Wirele ss Ethernet ELPRO Technologies Pty Ltd, 9/12 Billabong Street, Stafford Q 4053, Australia. Tel: +61 7 33524533 Fax: +61 7 33524577 Email: sales@elprotech.com Web: www.elprotech.com...
  • Page 2 805U-E Wireless Ethernet User Manual Thank you for your selection of the 805U-E Wireless Ethernet Modem. We trust it will give you many years of valuable service. ATTENTION! Incorrect termination of supply wires may cause internal damage and will void warranty.

  • Page 3: Important Notice

    Like all industrial electronic products, ELPRO products can fail in a variety of modes due to misuse, age, or malfunction. We recommend that users and designers design...
  • Page 4 ELPRO is not liable for any consequential damages or loss of operations or profits resulting from the use of these products. ELPRO is not liable for damages, losses, costs, injury or harm incurred as a consequence of any representations, warranties or conditions made by ELPRO or its representatives or by any other party, except as expressed solely in this document.

  • Page 5: Table Of Contents

    EFAULT ONFIGURATION .............. 21 ONFIGURING THE NIT FOR THE IRST 3.3.1 Set PC to same network as 805U-E ................ 21 3.3.2 Set 805U-E to same network as PC ................. 24 ....................26 UICK ONFIGURATION ..................27 ETWORK ONFIGURATION ......................29 THERNET ....................
  • Page 6 805U-E Wireless Ethernet User Manual CHAPTER FOUR DIAGNOSTICS.................. 58 ....................58 IAGNOSTICS HART ............... 59 IAGNOSTIC NFORMATION VAILABLE 4.2.1 Connectivity......................59 4.2.2 Monitor Communications ..................60 4.2.3 Statistics....................... 60 4.2.3 Statistics....................... 61 4.2.4 Network Traffic Analysis ..................61 ....................62...

  • Page 7: Chapter One Introduction

    Ethernet wired networks (LAN’s). It has an internal 869 MHz wireless transceiver, which can be used without a radio license in Europe and South Africa. The 805U-E transmits RF power of 500mW, requiring the transmit duty-factor be limited to 10%.
  • Page 8 805U-E Wireless Ethernet User Manual An Access Point could be used as a “Repeater” unit to connect two 805U-E Clients which do not have direct reliable radio paths. Access Point Client Client Ethernet device Bridge vs Router Each 805U-E is configured with an IP address for the Ethernet side, and another for the wireless side.

  • Page 9: Getting Started Quickly

    Set the 805U-E address settings as per section 3.4 Save the configuration - the 805U-E is now ready to use. Before installing the 805U-E, bench test the system. It is a lot easier to locate problems when the equipment is all together.

  • Page 10: Chapter Two Installation

    Further information is detailed below. Each 805U-E module should be effectively earthed via the "GND" terminal on the 805U-E module - this is to ensure that the surge protection circuits inside the 805U-E module are effective. Antenna Installation The 805U-E module will operate reliably over large distances up to 5 km “line-of-sight”.

  • Page 11: Dipole And Collinear Antennas

    Chapter Two Installation An antenna should be connected to the module via 50 ohm coaxial cable (eg RG58, RG213 or Cellfoil) terminated with a male SMA coaxial connector. The higher the antenna is mounted, the greater the transmission range will be, however as the length of coaxial cable increases so do cable losses.

  • Page 12: Yagi Antennas

    805U-E Wireless Ethernet User Manual 1m minimum COLINEAR ANTENNA WEATHERPROOF CONNECTORS WITH “3M 23” TAPE SURGE ARRESTOR (OPTIONAL) COAXIAL CABLE STRESS RELIEF LOOP MAST 805U PROVIDE GOOD GROUND CONNECTION TO MAST, MODULE AND SURGE ARRESTOR INSTALL AERIAL ABOVE EARTH STAKE...
  • Page 13 Chapter Two Installation Also note that Yagi antennas normally have a drain hole on the folded element - the drain hole should be located on the bottom of the installed antenna. Antenna installed with drain holes down Coax feed looped 805U Page 13 ©...

  • Page 14: Power Supply

    User Manual Power Supply The 805U-E module can be powered from a 10 - 30VDC power supply. The power supply should be rated at 1 Amp. The negative side of the supply should be connected to a good “ground” point for surge protection. The supply negative is connected to the unit case internally.

  • Page 15: Rs485 Serial Port

    Ring indicator - 2.4.2 RS485 Serial Port The RS485 port provides for communication between the 805U-E unit and its host device using a multi-drop cable. Up to 32 devices may be connected in each multi-drop network. As the RS485 communication medium is shared, only one of the units on the RS485 cable may send data at any one time.
  • Page 16 805U-E Wireless Ethernet User Manual HOST 805U-E HOST RS485 CONNECTIONS HOST HOST 805U-E 120Ω Ω RS485 CONNECTION USING TERMINATING RESISTOR Man_805U-E Rev 1.5 Page 16...

  • Page 17: Discrete (Digital) Input/Output

    Installation Discrete (Digital) Input/Output The 805U-E has one on-board discrete/digital I/O channel. This channel can act as either a discrete input or discrete output. It can be monitored, or set remotely, or alternatively used to output a communications alarm status.

  • Page 18: Chapter Three Operation

    How a Link connection is lost The 805U-E will reset the Link if: • Excessive retries: When a 805U-E unit transmit a wireless message to another unit, the destination unit will transmit back an acknowledgment. If the source unit does not receive an acknowledgment, it will re-send the message - this is known as a “re-try”.
  • Page 19 Chapter Three Operation from a Client, including reassociating requests, within (12) beacon intervals, the Access Point will reset the link. After a Client has reset it’s Link status, it will start scanning for an Access Point, as if it has just started up.

  • Page 20: Default Configuration

    • netmask 255.255.255.0 • Username is “user” and the default password is “user” The 805U-E will temporarily load some factory-default settings if powered up with the Factory Default switch (on the end-plate of the module) in SETUP position. In the position, wireless operation is disabled.

  • Page 21: Configuring The Unit For The First Time

    805U-E is 192.168.0.1XX where XX are the last two digits of the serial number (check the label on the back of the module). The second method requires setting an IP address in the 805U-E such that it is accessible on your network without having to change your network settings.
  • Page 22 805U-E Wireless Ethernet User Manual • Open “Properties” of Local Area Connection. • Select Internet Protocol (TCP/IP) and click on Properties. • On the General tab enter IP address 192.168.0.1, Subnet mask 255.255.255.0, and default gateway 192.168.0.1. • Open Internet Explorer and ensure that settings will allow you to connect to the IP address selected.
  • Page 23 Chapter Three Operation • Enter the default IP address for the 805U-E http://192.168.0.1XX where XX is the last two digits of the serial number • A welcome webpage should be displayed as illustrated below. • Configuration and Diagnostics may be opened by clicking on any of the menu items, and entering the username “user”...

  • Page 24: Set 805U-E To Same Network As Pc

    IP address on your network, the gateway IP address, and network mask. a) Switch Factory Default dip-switch on 805U-E to SETUP position. b) Connect the RS232 port on the 805U-E to the RS232 port on the PC using a “straight- through” serial cable.
  • Page 25 This may be performed with the command: bgw <Type the gateway IP address> h) Choose an IP address for the 805U-E being upgraded. This IP address must be on the same network as the computer you have connected the Ethernet cable to. This may be performed with the command: bip <Type the IP address>...

  • Page 26: Quick Configuration

    805U-E Wireless Ethernet User Manual Quick Configuration The 805U-E has default configurations which will cover most applications. These parameters can be manually changed however this is not necessary for the majority of applications. A “Quick Start” configuration is provided for simple networks. This is the first stage of the module configuration.

  • Page 27: Network Configuration

    The System Generator String is an alpha-numeric string of between 1 and 31 characters. Characters can be any ASCII alpha-numeric character (except the “null” character). The 805U-E uses this string as an input to pseudo-random algorithms to create the following parameters:...
  • Page 28 IP address you require. Wireless IP Address The IP address of the 805U-E on the wireless port. If the unit is configured as a bridge this address will be the same as the Ethernet IP address. If configured as a router, the IP address must be different from the Ethernet IP Address - it must be consistent with the LAN it is connecting to on the wired side.

  • Page 29: Ethernet Data

    Bridges are typically used to connect sections of the same IP network together. By default, the 805U-E is configured as a transparent bridge. When a transparent bridge is started, it learns the location of other devices by monitoring the source address of all incoming traffic.

  • Page 30: Fixed Frequency Operation

    The 805U-E has one routing rule which may be configured. This routing rule is the gateway address. The 805U-E will direct all unknown IP network traffic to this gateway IP address.
  • Page 31 805U-E to determine what initial data rate should be selected. In (minimum radio signal). firmware versions before v1.32, it is also used to select the current radio rate. A larger Fade Margin means that the 805U-E will select a lower initial rate. The default value is 10 dB.
  • Page 32 805U-E Wireless Ethernet User Manual MTU size. This improvement is achieved through a reduction in the retry holdoff time required for units in the system. As packets in the system are smaller, units will holdoff for shorter periods of time and be confident that their retry transmission will not cause interference with other units.

  • Page 33: Duty Cycle Calculations

    Chapter Three Operation Counter module may attempt to increase back to the higher rate after the specified number of successful transmissions have been made. Drop Link On Retry When enabled, the module will drop radio link if all retries for Threshold sending a packet fails.

  • Page 34: Routing Rules

    805U-E is configured with a Bridge Priority of (255) by default. The intention is reduce traffic that the 805U-E must handle, by placing it at the branch level in the network tree. As a branch, the 805U-E needs only pass traffic to devices that are its “leaves”.
  • Page 35 Chapter Three Operation hop router (or gateway) will then deliver the data to the required destination (or forward it on to another router that will). 192.168.0.34 192.168.0.72 Client Bridge 192.168.0.72 192.168.0.34 LAN A Access Point 192.168.0.73 Bridge 192.168.0.74 169.254.102.17 LAN C Client 169.254.109.40 Router...

  • Page 36: Wireless Message Filtering

    When configured as a Bridge, the 805U-E will transmit all broadcast messages appearing at its wired Ethernet port. When the 805U-E is configured as a Router, this does not occur. In many cases, the intended recipient of the broadcast traffic does not lie at the opposite end of a proposed radio link.
  • Page 37 Simply switch the dipswitch to SETUP and cycle power. The 805U-E will retain its configuration, however will load up at IP address 192.168.0.1XX, netmask 255.255.255.0 with the radio and filter disabled. The XX in the IP address is the last two digits of the serial number.
  • Page 38 805U-E Wireless Ethernet User Manual IP Address Filter Configuration: Add Entries Enter the details of IP traffic to be added to the list. Protocols ARP, ICMP, TCP and UDP may be selected. Other IP protocols may be selected provided the IP protocol number within packets is known.

  • Page 39: Serial Port Configuration

    Serial Gateway, and Modbus TCP to RTU server. 3.12.1 RS-232 PPP Server The 805U-E can be used as a PPP Server to connect the wireless Ethernet system to serial devices via the RS232 or RS485 serial ports. PPP Server enables a network connection to the 805U-E over a serial cable. This is much like dial up internet.
  • Page 40 805U-E Wireless Ethernet User Manual 1. On Network Connections in Windows XP, select Create a new connection 2. On the New Connection Wizard, click Next Man_805U-E Rev 1.5 Page 40...
  • Page 41 Chapter Three Operation 3. Set up an advanced connection 4. Connect directly to another computer 5. Set PC as guest Set Computer name as something… Select a COM port Page 41 © April 2007...
  • Page 42 805U-E Wireless Ethernet User Manual 8. Select who can access this connection 9. Click Finish 10. Select properties of this new connection by right clicking on connection. 11. General Tab click on Configure button 12. Ensure maximum speed is 38400bps, click 13.

  • Page 43: Serial Gateway

    805U-E. 17. Ensure both the username and the password are entered exactly as configured in 805U-E. (When booted in SETUP mode, the PPP server has username “user” and password “user”.) 3.12.2 Serial Gateway Serial Gateway functionality is available for both RS-232 and RS-485 ports independently, and enables serial data to be routed via the wired or wireless network connection.
  • Page 44 PC. This virtual serial port can be configured to connect to a 805U-E serial port. Standard programs can then be used to access this serial port as if it were actually connected to the PC. Alternatively the program telnet may be used to connect to a serial port on the 805U-E.

  • Page 45: Modbus Tcp To Rtu Server

    Modbus RTU Slave. The 805U-E makes this possible by internally performing the necessary protocol conversion. The conversion is always performed by the 805U-E which is directly connected to the Modbus serial device (i.e. only this module needs to have Modbus TCP to RTU Server enabled).

  • Page 46: Digital Input/Output And I/O Transfer

    The Digital I/O channel can also be configured to provide a status output of the module communications. If the 805U-E disassociates from another unit (that is, there is no wireless link), you can configure the digital output to turn ON (set) or OFF (drop).
  • Page 47 Digital Input/Output) and are shared for both Client and Server. Modbus TCP Client (Master) and Modbus TCP Server (Slave) are both supported simultaneously, and when combined with the built in Modbus TCP to RTU Gateway the 805U-E can transfer I/O to/from almost any combination of Modbus TCP or RTU devices.
  • Page 48 (Master) and Modbus TCP to RTU Gateway. Simply specify a Modbus TCP Client (Master) connection to a Modbus TCP Server where the server is the address of any 805U-E with Modbus TCP to RTU Gateway enabled. Care should be taken to ensure that the Device ID (i.e.
  • Page 49 Chapter Three Operation The Modbus configuration for unit C is shown below. Unit C is configured with Modbus TCP Server enabled and Device ID = 1, so that the Modbus TCP Client at B can connect and read the status of the onboard digital input. Unit C also has Modbus TCP to RTU Gateway enabled (see section “3.13.3 Modbus TCP to RTU Gateway”) so that the Modbus TCP Client at B can communicate with the serial Modbus RTU device D.
  • Page 50 Modbus TCP to RTU Gateway is to route the message out the serial port to unit A. Since the 805U-E supports Modbus TCP Client and Server simultaneously, the Modbus TCP Server for unit B above could also be enabled. This would allow one (or more) external Modbus TCP Clients anywhere on the extended wired or wireless network to connect to unit B and monitor the status of the I/O registers –...
  • Page 51 Chapter Three Operation The configurable Modbus I/O transfer options are summarized in the tables below. Modbus TCP Configuration: Enable Modbus TCP Server Check this box to enable the onboard Modbus TCP Server. All Modbus (Slave) TCP connections to the module IP Address and specified Modbus Server Device ID will be routed to the onboard I/O registers.

  • Page 52: Module Information Configuration

    Module Information Webpage Fields This configuration page is primarily for information purposes. With the exception of the password, the information entered here is displayed on the root webpage of the 805U-E. Password When changing the password on this screen, it will be sent unencrypted over any wired network.

  • Page 53: Configuration Examples

    Access Point Configuration Connect straight through Ethernet cable between PC and 805U-E. • Ensure configuration PC and 805U-E are setup to communicate on the same network • Set dipswitch to SETUP mode. • Power up unit, and wait for LINK led to cease flashing.
  • Page 54 1 stop bit and no parity. b) Set dipswitch to SETUP c) Connect straight through serial cable to 805U-E and power up unit. d) When prompted, strike the Enter key to abort automatic boot e) Set IP address of 805U-E to 192.168.0.200 with command bip 192.168.0.200...

  • Page 55: April

    Access Point Configuration • Connect straight through Ethernet cable between PC and 805U-E. • Ensure configuration PC and 805U-E are setup to communicate on the same network • Set dipswitch to SETUP • Power up unit, and wait for LINK led to cease flashing.
  • Page 56 Set the Wireless IP address to 169.254.102.54, network mask 255.255.255.0 Click on button Save to Flash and Reset. Webpage will display that message indicating details are being written to flash. Wait for 805U-E to reboot before removing power. Client Configuration...

  • Page 57: Extending Range Of A Network With A Repeater Hop

    Chapter Three Operation Extending range of a network with a Repeater hop 192.168.0.0 255.255.255.0 Access Point Client 2 Client 1 Configure units as described in Section Extending a wired network. Place the Access Point at the remote intermediate repeater location. Page 57 ©...

  • Page 58: Chapter Four Diagnostics

    805U-E Wireless Ethernet User Manual Chapter Four DIAGNOSTICS Diagnostics Chart LED Indicator Condition Meaning GREEN Normal Operation Supply voltage too low. Radio RX GREEN flash Radio receiving data Radio RX RED flash Weak radio signal Radio TX Flash Radio Transmitting...

  • Page 59: Diagnostic Information Available

    Chapter Four Diagnostics Boot Loader LED Indication during Startup Serial LINK ACTIVE Comment Orange Orange Orange Initial Power Up & bootload Initialisation Orange Orange Check Config & Print Sign-on message (If boot delay not zero) Orange Orange Orange Print Configuration Table to terminal (If boot delay not zero) Green Initialise Networking and Start Auto Boot sequence Orange...

  • Page 60: Monitor Communications

    The “Monitor Communications” function buffers the last 30 transmissions since the last enquiry was made. If there have not been 30 transmissions since the last enquiry, the 805U-E will wait 4 seconds for further transmissions to occur before completing the webpage. Use of this feature together with the Connectivity webpage will reveal the variability of communications over a link.

  • Page 61: Statistics

    Chapter Four Diagnostics 4.2.3 Statistics The Statistics webpage is used for advanced debugging of 805U-E. This webpage details the state of the 805U-E and its performance in the system. 4.2.4 Network Traffic Analysis There are many devices and PC programs that will analyse performance of an Ethernet network.

  • Page 62: Testing Radio Paths

    IP address for the 805U-E at first startup. This command would be written as Ping 192.168.123.123 then Enter to send the ping command. The pc will reply with an acknowledgement of your command and if your 805U-E is correctly configured your reply will look something like this.
  • Page 63 Chapter Four Diagnostics The screen shot below shows the response of the “ping 192.168.123.123 –t” command. This -t command is used to repeatedly ping the specified node in the network, to cancel use “Ctrl – C” A good test for the network once it is first set up is to use PING repeatedly from one PC’s IP address to the other PC’s IP address.

  • Page 64: Ipconfig

    805U-E Wireless Ethernet User Manual 4.4.2 IPCONFIG IPCONFIG can be used to show your current TCP/IP information, including your address, DNS server addresses, adapter type and so on. In the above example ipconfig was entered in the command prompt. The reply back shows the PC’s IP address, Subnet mask and the gateway it is connected to.

  • Page 65: Route

    805U-E refer to Section 1.1 The 805U-E can only accept 1 Routing table. That is it can only accept one router per network of radios. On the Router radio network PC a routing rule needs to entered to allow access between Network A and Network B.
  • Page 66 805U-E Wireless Ethernet User Manual Subnet Mask 255.255.255.0 Gateway IP 192.168.2.51 Wireless IP 192.168.2.051 Subnet Mask 255.255.255.0 In the Network A PC a routing rule is to be set. This will allow Network A & B to have access to each other. This is entered under cmd prompt.

  • Page 67: Chapter Five Specifications

    Chapter Five Specifications Chapter Five SPECIFICATIONS General EMC specification EN 300 683 89/336/EEC Radio specification EN 300-220, pt1 869.525MHz, 0.5W 869.275MHz, 5mW Housing 110 x 185 x 30mm Powder-coated, extruded aluminum DIN rail mount Terminal blocks Removable Suitable for 12 gauge (2.5sqmm) conductors LED indication Active, Serial RX and...
  • Page 68 805U-E Wireless Ethernet User Manual Serial Ports RS232 Port DB9 female DCE RTS/CTS/DTR/DCD hardware signals provided RS485 Port 2 pin terminal block Max distance 4000’ / 1.2 km Data rate (bit/sec) - 1200, 2400, 4800, 9600, configurable 14400, 19200, 38400,...

  • Page 69: Appendix A Firmware Upgrade

    Determine which firmware version is present in the module to be upgraded by viewing the root webpage of the module Firmware versions 805U-E v1.26 and later may be upgraded to later versions using webpages inside the module. This upgrade can be done locally with a PC connected directly to the module, or remotely over a working radio link.
  • Page 70 805U-E Wireless Ethernet User Manual 4. Click Browse button and find the application firmware file on your computer. Ensure that the file is not in a deeply nested folder, as there is a character limitation of the filename and path.
  • Page 71 Appendix A Firmware Upgrade 7. Firmware upgrade will proceed, and should take about 1 minute if performed locally. If performed over a radio link, the upgrade may take between 4 to 20 minutes, depending upon the quality of the radio link, and the amount of traffic on the network. During the upgrade, the webpage shows a progress bar at the bottom right side of the browser window.
  • Page 72 805U-E Wireless Ethernet User Manual 6. If you are running Windows firewall you may be prompted with the following message. Select Unblock so that FlashUpdate program may operate. If any other firewall software is operating, disable it. 7. Copy new firmware files to a known location on the hard drive of your PC. Do not unzip these files.
  • Page 73 Appendix A Firmware Upgrade 13. Follow instructions from confirmation window. 14. Click OK, Power down module, wait approximately 1 second, and power up module. This entire step must be accomplished within 30 seconds of completing the previous step. 15. Programming will commence… 16.

  • Page 74: Appendix B Glossary

    805U-E Wireless Ethernet User Manual Appendix B GLOSSARY Acknowledgment. Access point An access point is the connection that ties wireless communication devices into a network. Also known as a base station, the access point is usually connected to a wired network.
  • Page 75 Appendix B Glossary onto the network, it automatically gets an IP address assigned to it. Dial-up A communication connection via the standard telephone network, or Plain Old Telephone Service (POTS). A program that translates URLs to IP addresses by accessing a database maintained on a collection of Internet servers.
  • Page 76 805U-E Wireless Ethernet User Manual with the wired network. See Ad-Hoc and AP. The term used to describe any operation, program or device that transfers data to or from a computer. Internet A computer that is intended primarily for Internet access, is simple to set up and appliance usually does not support installation of third-party software.
  • Page 77 Appendix B Glossary Router A device that forwards data from one WLAN or wired local area network to another. Signal to Noise Ratio. The number of decibels difference between the signal strength and background noise. Transmit Power The power usually expressed in mW or db that the wireless device transmits at. MAC Address A MAC address, short for Media Access Control address, is a unique code assigned to most forms of networking hardware.
  • Page 78 805U-E Wireless Ethernet User Manual Commonly used encryption scheme used by many online retail and banking sites to protect the financial integrity of transactions. When an SSL session begins, the server sends its public key to the browser. The browser then sends a randomly...
  • Page 79 Appendix B Glossary Networks (WLANs). Basic wireless security provided by Wi-Fi. In some instances, WEP may be all a home or small-business user needs to protect wireless data. WEP is available in 40-bit (also called 64-bit), or in 108-bit (also called 128-bit) encryption modes. As 108-bit encryption provides a longer algorithm that takes longer to decode, it can provide better security than basic 40-bit (64-bit) encryption.
  • Page 80 Contact us for any additional information on these or any other product ranges, or place an order Tel: ++27 21 762 8995 Fax: ++27 21 762 8996 Fax2email: ++2786 660 0510 Postal address: P.O Box 24110, Lansdowne, Cape Town, 7779 Street address: 47 Flamingo Crescent, Lansdowne, Cape Town, 7780 info@tabateq.com...

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