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Cooper Elpro 450U-E User Manual Download Page 66

Elpro Technologies 450U-E Wireless Ethernet Modem & Device Server User Manual

66

www.cooperbussmann.com/wirelessresources

Rev Version 1.0.12-Beta7

DHCP Client Configuration

DHCP (Dynamic Host Configuration Protocol) allows DHCP Clients to automatically obtain their IP Address at start-up.
This simplifies network administration, as there is no need to manually configure each device with a separate IP Address.
The 450U-E is able to act as a DHCP client. To set the 450U-E to acquire its IP address from a DHCP Server, check the

the IP address will be unknown) and so should be given a unique name.

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Summary of Contents for Elpro 450U-E

Page 1: ...Version 1 0 12 Beta7 Cooper Bussmann Read and Retain for Future Reference...

Page 2: ...ass B digital device pursuant to Part15 of the FCC rules Code of Federal Regulations 47CFR Part 15 Operation is subject to the condition that this device does not cause harmful interference Part 90 Th...

Page 3: ...The products are designed to operate in the presence of noise and interference however in an extreme case radio noise and interference could cause product operation delays or operation failure Like a...

Page 4: ...system make sure you have considered the security aspects of your installation carefully Release Notice This is the July 2012 release of the 450U E Ethernet Modem User Manual version 1 0 12 Beta7 whi...

Page 5: ...etwork Settings Webpage Fields 27 SPANNING TREE PROTOCOL ALGORITHM 28 3 7 SECURITY MENU 28 3 8 WEP 128 bit 29 Encryption Keys 1 to 4 29 Default WEP Key 29 WPA2 29 WPA Enterprise 29 Authenticator AP Co...

Page 6: ...sters 63 MONITOR RADIO COMMS 64 4 7 MONITOR IP COMMS 64 4 8 SYSTEM TOOLS 65 4 9 Setting a 450U E to Factory Default Settings 65 MODULE INFORMATION CONFIGURATION 65 4 10 Module Information Webpage Fiel...

Page 7: ...em is capable of passing VLAN tagged frames The 450U E has a standard RJ45 Ethernet connection which will operate at up to 100Mbit sec The module will transmit the Ethernet messages on the wireless ba...

Page 8: ...nt is configured at the LAN end although the wireless link will still work if the Client is at the LAN end An Access Point can connect to multiple Clients In this case the 450U E Clients which do not...

Page 9: ...dge connects devices within the same Ethernet network for example extending an existing Ethernet LAN A Router The IP addresses for the Ethernet and the Wireless sides must be different In this example...

Page 10: ...d applications are required the 450U E have many sophisticated features which can be adjusted if need be First read Chapter This will explain the connections that are required for successful operation...

Page 11: ...ees to the radio path A 450U E can achieve up to 50 Km 31 miles with a directional antenna attached To achieve the maximum transmission distance the antennas should be raised above intermediate obstru...

Page 12: ...ntenna cable configuration is determined by adding the antenna gain and the cable loss For example an 8dBi antenna with 10 meters of Cellfoil 2 5dB has a net gain of 5 5dB 8dB 2 5dB Installation tips...

Page 13: ...ansmitting to a vertically mounted omni directional antenna then the Yagi elements should be vertical If the Yagi is transmitting to another Yagi then the elements at each end of the wireless link nee...

Page 14: ...when unit is powered on 7 RTS In Request to Send 8 CTS Out Clear to send 9 RI Ring indicator RS485 Serial Port The RS485 port provides a communication link from the 450U E unit to a host device using...

Page 15: ...aded via the USB but through the web interface The procedures for performing a full firmware upgrade and the patch file upgrade can be found in Section Appendix A Firmware Upgrades USB B Device connec...

Page 16: ...e Digital Output will override the Digital Input operation i e if the output is activated while the DIO is being read the indication will show the input as being on 1 Digital Input When used supports...

Page 17: ...d the TX LINK LED is on GREEN For a Client of the web interface After the link is established data may be transferred in both directions The Access Point will act as a master unit and will control the...

Page 18: ...EN different intensity Analog input current loop dim 4mA bright 20mA The Ethernet RJ45 connector on the end of the module incorporates two indication LEDs The LINK LED which comes on to indicate a con...

Page 19: ...a wireless link is best measured in terms of the maximum throughput that can be achieved The recommended method of measuring throughput is to use an external Modbus Client to poll the internal Modbus...

Page 20: ...set the switch back to the RUN position and cycle power at the conclusion of configuration for resumption of normal operation The default factory configuration of the 450U E is Client Bridge IP addres...

Page 21: ...operation Power up the 450U E module following description is for Windows XP earlier Windows operating systems have similar settings Select Internet Protocol TCP IP and click on Properties On the Gene...

Page 22: ...U E Network address to match the local network For this method you will need to determine what IP address Gateway address and Netmask to assign to the 450U E so rrect settings for your network E g If...

Page 23: ...pass proxy for local addresses Enter the IP address for the 450U E into the Internet Explorer Address bar e g http 10 10 0 6 which is the IP address you temporarily configured with the ifconfig comman...

Page 24: ...er a number of configuration parameters before the modems can be used these include Transmit and Receive Frequency as per the country regulation Radio transmit power level Operating mode System Addres...

Page 25: ...st Selections available are 9600 and 19200 kbps for wide band radios or 4800 9600 kbps for narrow band The Transmit Data Rate only applies to the Transmit messages as the radio can receive on either d...

Page 26: ...ng or be configured as a routing network to limit unnecessary broadcast traffic being sent over the radio Refer to Section 3 14 Filtering this can be implemented A system of 450U E All 450U E d Radio...

Page 27: ...t string 1 to 31 characters in length Select a text string which identifies your system Desired BSSID To force a client station to always connect to the same Access Point enter the MAC address of that...

Page 28: ...link fails the other link will automatically start transferring the wireless data The Spanning Tree Protocol implemented is IEEE 802 1d compatible The algorithm forms a loop free network by blocking...

Page 29: ...00 Default WEP Key One of the four keys may be selected as the default key and is used to encrypt transmitted messages from the configured unit A 450U E can receive and decrypt a message from a modul...

Page 30: ...ant If WDS interfaces are used it is possible for one 450U E to act as both an Authenticator and a Supplicant however in this situation only one set of user credentials can be entered for all Supplica...

Page 31: ...ee Protocol Algorithm Router Operation Routed Network A router joins separate IP sub networks together The router has different IP addresses on its wired and wireless ports reflecting the different IP...

Page 32: ...you can select when configuring the TX and RX frequencies The steps sizes available are 5Khz or 6 25KHz Transmit Frequency The Frequency that you wish to configure for the radio Transmitter Frequency...

Page 33: ...dbus depending on the radio baud rate 70 improvement for web page download 40 improvement if using FTP download Serial Port Configuration 3 11 The 450U E has an RS 232 and an RS 485 port which is used...

Page 34: ...ation as they are bridged with the standard wireless interface that is used for connections to associated clients All of the WDS interfaces on the one Access Point may be bridged if required WDS bridg...

Page 35: ...client will connect to For AP mode clients must configure their WEP Key 1 to the same value as this key and select the Default WEP Key to be WEP Key 1 There are many different ways to setup wireless n...

Page 36: ...ming with WDS Access Points Another common use for WDS is extending the range across a large wireless network but allowing roaming connections between access points or being able to switch to the next...

Page 37: ...routers and in some cases when WDS router interfaces are used If more than one 450U E allows for up to 100 routing rules to be configured A routing rule specifies a destination network or host IP add...

Page 38: ...169 254 109 40 as this is the IP address of the wired side of the LAN B 450U E Any message coming in with a 192 168 0 X IP address will be directed across the wireless interface to LAN A The Routing...

Page 39: ...e address and the destination address of the message If either address match then the rule is activated ARP filtering applies only to ARP request packets typically these are broadcast packets which ar...

Page 40: ...s not IP will be passed and this could include Netbios IPX PPP etc These protocols could be more effectively filtered by using MAC filtering or configuring the modems in a Router configuration instead...

Page 41: ...requests for known units to pass or blocking ARP requests for high use addresses Blacklist will prevent all listed devices from accessing the module and using the radio link Whitelist will allow devi...

Page 42: ...Gateway the 450U E can transfer I O to from almost any combination of Modbus TCP or RTU devices Modbus RTU Master ports Each serial port has a number of parameters that can be adjusted for different...

Page 43: ...er location for the previously polled values to be stored It will also allow an external Modbus TCP Client DCS or Scada to monitor the stored I O values from units A C via the extended wired or wirele...

Page 44: ...store the communication status of the specified transaction The Specified register will be set to 0 if communications is successful 0xFFFF if there is no connection to the specified server or 0xFFxx...

Page 45: ...s Error Codes Note When entering the Local or Destination registers you do not need to enter in the full Modbus Address i e 30001 or 10001 only the I O address is needed as the Function Code determine...

Page 46: ...ted to the modem I O Configuration Configuration of the physical I O Analog Input or the Digital Input output is done by accessed from the main right hand web links Selecting the to change the name of...

Page 47: ...10002 and VSupply setpoint is located at register 10003 Upper Setpoint This parameter is the upper control point value that is used in conjunction with the Lower Setpoint to turn on and off the Analog...

Page 48: ...re are over 5000 x 16bit general purpose registers that are available for Modbus including the onboard Analog Digital Input Output and are shared with both Modbus Client and Server Along with the phys...

Page 49: ...rt must be configured The default serial parameters of the port should be 9600 N 8 1 which match the defaults of the 115S serial expansion modules These parameters can be changed to increase poll spee...

Page 50: ...130 seconds which is a little over two times the 1 minute update period from the sending module If after 130 seconds the module still has not received an update from the other module register below I...

Page 51: ...starts up with Configuration Examples 3 17 Extending a wired network Bridged Network Access Point Configuration Connect straight through Ethernet cable between PC and 450U E Ensure configuration PC an...

Page 52: ...m Address ESSID and Encryption key are the same as the Access Point Set the Operating Mode to Client Change the IP addresses to 192 168 0 101 When complete set the dipswitch back to RUN ave Client 2 C...

Page 53: ...configured for WPA2 AES and will require an encryption key which will also need to be the same on all radios in the example Change the IP addresses to 192 168 0 200 Leave the Subnet masks at the defa...

Page 54: ...Elpro Technologies 450U E Wireless Ethernet Modem Device Server User Manual 54 www cooperbussmann com wirelessresources Rev Version 1 0 12 Beta7 Figure 61 Example Repeaters...

Page 55: ...open circuit I O GREEN varying intensity Analog input current in circuit Dim 4mA bright 20mA The green OK LED on the front panel indicates correct operation of the unit This LED turns red for a number...

Page 56: ...mum data rate Note When updating the Connectivity webpage it is necessary to hold down the ctrl key while pressing the refresh button to ensure the most up to date information is displayed Connectivit...

Page 57: ...mple cost effective means for more advanced analysis By monitoring traffic on the wired Ethernet a better idea of regular traffic can be discovered Network Analysis programs make configuration of a fi...

Page 58: ...buted to poor RSSI which could be confirmed on the Connectivity page Channel Utilisation Graphs Channel Survey screen displays a graph showing the percentage of time that a channel is being utilised b...

Page 59: ...data to be displayed which is useful for diagnosing channel utilisations problems The default selection on the custom page will display the total percentage of transmitted frames over a 60 second peri...

Page 60: ...specifically addressed to this modem RX to other radios The percentage of time receiving valid Elpro messages addressed to other radios within the system RX acknowledgements The percentage of time re...

Page 61: ...crease in communications Network Diagnostics 4 5 Network Diagnostics allows you to check the communications path to other modules within the system Ping Ping is a standard Network instruction that sen...

Page 62: ...n E g 1 2500 enter the address location count and value and then press the E g Write to Register 1 with a count of 1 and a value of 1 will turn the Local Digital Output on To Read an Analog register l...

Page 63: ...r will be at register location 30019 2 20 30059 Modbus Module Type will be at register location 30020 2 20 30060 These Expansion I O Error registers display the following 115S Status Codes Hex code 00...

Page 64: ...sses along with some other IP Comms data More information on standard IP Comms can be found on the internet Time Message Time Stamp Time from when module was last started Message Type Displays if mess...

Page 65: ...OK LED will turn green when the reset sequence is complete When complete you should be able connect to the modules default IP address which will be displayed on the label on the bottom of the module M...

Page 66: ...guration Protocol allows DHCP Clients to automatically obtain their IP Address at start up This simplifies network administration as there is no need to manually configure each device with a separate...

Page 67: ...a designated address and waiting for a response The basic operation of Ping can be performed by following these steps in any Windows operating system There will be a certain directory specified unique...

Page 68: ...ered using the command ipconfig all Ipconfig Lists all of the commands and their usages available for use A Displays and modifies the IP to Physical address translation tables used by Address Resoluti...

Page 69: ...mand prompt as instructed Route PRINT will show all active routes on PC Route ADD will add a routing table to network Route DELETE Destination Netmask Gateway Interface will delete the unwanted routin...

Page 70: ...g 4 24mA 0 2 Accuracy 150 Ohm Impedance Ethernet Port Ethernet Port 10 100baseT RJ45 Connector IEEE 802 3 Auto MDIX Link Activity Link 100baseT via LED Serial Port RS232 DB9 Female DCE RTS CTS DTR DCD...

Page 71: ...5 CAN IC RSS 119 EU EN300113 2 EN300220 2 AS NZS AS NZS4295 Hazardous Area CSA Class I Div 2 ATEX IEC Ex zone2 Safety UL Listed IEC 60950 RoHS Compliant General Size 186 x 115x 36mm 7 3 4 4 Housing IP...

Page 72: ...stick Firmware files contact ELPRO Technical Support for these files Ethernet Cable PC for transferring files Preparing the USB memory stick for firmware upgrade Not all USB flash drives are configure...

Page 73: ...Offset Partition 1 Primary 1911 MB 0 B Partition Type Size Offset Partition 1 Primary 100 MB 64 KB Partition 2 Primary 1810 MB 101 MB 6 DISKPART list disk Disk Status Size Free Dyn Gpt Disk 0 Online 2...

Page 74: ...the stick from within selected before pressing the Start button Upgrade Procedure 1 Prior to performing the upgrade you will need to copy the supplied firmware files to the USB Stick root directory T...

Page 75: ...should not have been changed or erased during this process DO NOT remove the Flash drive or interrupt the power to the module while this is happening If the upgrade process is interrupted module could...

Page 76: ...ore talk method of minimizing but not eliminating collisions caused by simultaneous transmission by multiple radios IEEE 802 11 states collision avoidance method rather than collision detection must b...

Page 77: ...e of Electrical and Electronics Engineers New York www ieee org A membership organization that includes engineers scientists and students in electronics and allied fields It has more than 300 000 memb...

Page 78: ...h the proper tools can still figure out an authorized MAC address masquerade as a legitimate address and access a closed network Every wireless 802 11 device has its own specific MAC address hard code...

Page 79: ...work The first part TCP is the transport part which matches the size of the messages on either end and guarantees that the correct message has been received The IP part is the user s computer address...

Page 80: ...Offset Detected indication for this 115S module 30001 30008 Offset Inputs AIN 1 AIN8 30017 Offset Modbus Error Counter for this 115S module 30018 Offset Modbus Last Error Code for this 115S module Ap...

Page 81: ...n of reference number and transfer length is invalid For a controller with 100 registers the PDU addresses the first register as 0 and the last one as 99 If a request is submitted with a starting regi...

Page 82: ...teway Device Failed to Respond Specialized use in conjunction with gateways Indicates that no response was obtained from the target device Usually means that the device is not present on the network 6...

Page 83: ...roduced by others will not reflect on the original authors reputations Finally any free program is threatened constantly by software patents We wish to avoid the danger that redistributors of a free p...

Page 84: ...py of the corresponding source code to be distributed under the terms of Sections 1 and 2 above on a medium customarily used for software interchange or c Accompany it with the information you receive...

Page 85: ...ase this License incorporates the limitation as if written in the body of this License 9 The Free Software Foundation may publish revised and or new versions of the General Public License from time to...

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