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Chapter Four

Diagnostics

Page 61

© April 2007

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.
Freely available programs such as Ethereal provide a simple 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 filter for the 805U-E a simple task.

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Содержание 805U-E

Страница 1: ...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 805U E Wireless Ethernet User Manual...

Страница 2: ...on against risk of fire replace the internal module fuse only with the same type and rating CAUTION Antennas used with this device must be installed to provide a separation distance of at least 20 cm...

Страница 3: ...RO Technologies first 1 A radio license is not required in some countries provided the module is installed using the aerial and equipment configuration described in the 805U E Installation Guide Check...

Страница 4: ...of the module not in accordance with this User Manual or abuse misuse neglect or damage by external causes or repairs alterations or modifications undertaken other than by an authorized Service Agent...

Страница 5: ...ING THE UNIT FOR THE FIRST TIME 21 3 3 1 Set PC to same network as 805U E 21 3 3 2 Set 805U E to same network as PC 24 3 4 QUICK CONFIGURATION 26 3 5 NETWORK CONFIGURATION 27 3 6 ETHERNET DATA 29 3 7...

Страница 6: ...INFORMATION AVAILABLE 59 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 4 3 TESTING RADIO PATHS 62 4 4 UTILITIES 62 4...

Страница 7: ...connect to the 805U E via a RS232 or RS485 serial port using PPP point to point protocol PPP allows the 805U E to connect serial communications into the Ethernet network Access Point vs Client The Acc...

Страница 8: ...ending an existing Ethernet LAN For a Bridge the IP address for the wireless side is the same as the Ethernet side A Router connects devices on different LAN s The IP addresses for the Ethernet and wi...

Страница 9: ...requires an antenna and a power supply Power the 805U E and make an Ethernet connection to your PC for further information on how to do this refer to section 3 3 Set the 805U E address settings as pe...

Страница 10: ...perate reliably over large distances up to 5 km line of sight The distance which may be reliably achieved will vary with each application depending on the type and location of antennas the degree of r...

Страница 11: ...20 metres of RG58 has a net gain of 0 dB 10dB 10dB Connections between the antenna and coaxial cable should be carefully taped to prevent ingress of moisture Moisture ingress in the coaxial cable is...

Страница 12: ...ntral beam horizontal and must be pointed exactly in the direction of transmission to benefit from the gain of the antenna The Yagi antennas may be installed with the elements in a vertical plane vert...

Страница 13: ...13 April 2007 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 805U Antenna installed with drain ho...

Страница 14: ...be connected to the Main Ground point of the installation in order to provide efficient surge protection for the Module Refer to the Installation Diagram 2 4 Serial Connections 2 4 1 RS232 Serial Port...

Страница 15: ...m is shared only one of the units on the RS485 cable may send data at any one time Thus communication protocols based on the RS 485 standard require some type of arbitration RS485 is a balanced differ...

Страница 16: ...ernet User Manual Man_805U E Rev 1 5 Page 16 HOST 805U E HOST RS485 CONNECTIONS 120 RS485 SUPPLY RS232 DIP SWITCH FOR 120 120 HOST HOST 805U E RS485 CONNECTION USING TERMINATING RESISTOR ETHERNET DIO...

Страница 17: ...to maintain reliable operation of driving relays The digital input is connected between the DIO terminal and common COM The I O circuit includes a LED indicator which is lit when the digital input is...

Страница 18: ...e the Client has been authenticated it will then request a link This step is called association While no links have been established the LINK led will be OFF Once a single link has been established th...

Страница 19: ...o communications link is established Radio LINK Off Communications failure or radio link not established Radio LINK GREEN flash RED flash Serial Port Receiving CTS low LAN ON Link Established on Ether...

Страница 20: ...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 p...

Страница 21: ...straight through Ethernet cable between the PC Ethernet port and the 805U E The factory default Ethernet address for the 805U E is 192 168 0 1XX where XX are the last two digits of the serial number c...

Страница 22: ...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 If the PC uses a proxy server ensure th...

Страница 23: ...isplayed as illustrated below Configuration and Diagnostics may be opened by clicking on any of the menu items and entering the username user and default password user Configure the unit to your requi...

Страница 24: ...2366c ROM Configuration table PASSED RAM address pattern check PASSED RAM address bus check PASSED Product E900P R2 3F Variant default variant Serial No 09040569 012345678910 Release epm_mrb_elpro_E90...

Страница 25: ...mand reset or cycle power to the unit The 805UE will reset and start with the network settings you have entered k Open Internet Explorer and ensure that settings will allow you to connect to the IP ad...

Страница 26: ...figuration is required For more advanced applications the other parameters can be changed via the other configuration pages after the Quick Start page Enter the Configuration web page as per section 3...

Страница 27: ...stem Generator String should be a unique data string for example BLUEpencil93 The same System Generator String should be entered in each module operating in the same system 3 4 2 Radio Encryption Wire...

Страница 28: ...The IP address of the 805U E on its Ethernet port This should be set to the IP address you require Ethernet IP Subnet Mask The IP network mask of the 805U E on its Ethernet port This should be set to...

Страница 29: ...imal in the form xx xx xx xx xx xx Ethernet messages can be addressed to a single device a point to point message or can be directed towards multiple destinations by using Multicast addresses and Broa...

Страница 30: ...ir packets at the router for forwarding As the router has an IP address on each of the networks it joins it inherently knows the packet identity If the traffic directed at the router can not be identi...

Страница 31: ...t 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 Beacon Period This interval is the period between beacon transmissions s...

Страница 32: ...y determine the number of time slots which it does based on the number of Clients connected If there are more than 8 Clients then more than one Client is allocated to some time slots In a large system...

Страница 33: ...alarm flag if the calculated duty cycle exceeds the user configured setpoint value default value is 10 The alarm flag will reset when the duty cycle drops below a user configurable minimum value defau...

Страница 34: ...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 There i...

Страница 35: ...ters as next hop routers i e gateways to networks B and C Note that devices on LAN A should specify the 905U E Access Point as their default gateway An alternative to adding routing rules to the 905U...

Страница 36: ...to reject or accept messages to and from certain Addresses To accept wireless messages from particular devices a Whitelist of Addresses must be made Alternatively to reject messages from particular de...

Страница 37: ...in 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 Conf...

Страница 38: ...ill only allow traffic described in the list to be sent over the radio link All other traffic is blocked unless it is present in a MAC whitelist Uncheck the box to make the list a blacklist This will...

Страница 39: ...figured into the device You must ensure they set routing rules appropriately for devices either side of the network If you want the serial device visible as present on the Wireless or Wired network th...

Страница 40: ...805U E Wireless Ethernet User Manual Man_805U E Rev 1 5 Page 40 1 On Network Connections in Windows XP select Create a new connection 2 On the New Connection Wizard click Next...

Страница 41: ...Chapter Three Operation Page 41 April 2007 3 Set up an advanced connection 4 Connect directly to another computer 5 Set PC as guest 6 Set Computer name as something 7 Select a COM port...

Страница 42: ...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 OK 13 Select N...

Страница 43: ...erial data to be routed via the wired or wireless network connection Serial Gateway functionality is similar to radio modem functionality but since Serial Gateway uses TCP IP it only allows point to p...

Страница 44: ...ay Server on the RS 485 port Data Rate The serial data rate desired Serial data rates available range from 110bps to a maximum of 38 400bps Data Bits Parity Stop Bits The data format desired Data form...

Страница 45: ...TCP to RTU Server may be configured to operate on either the RS 232 or RS 485 port It does not support operation on both ports at the same time Enable RS 232 Modbus TCP to RTU Gateway Check this box t...

Страница 46: ...e status of the Digital Input to another module or Modbus device The shared Digital Input Output pin may be monitored and set via the internal webpage As this pin is shared the Digital Input status wi...

Страница 47: ...nd 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 R...

Страница 48: ...ieved by combining the Modbus TCP Client 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...

Страница 49: ...t 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 The configuratio...

Страница 50: ...of unit C which is the Modbus TCP Server we are reading from Response Timeout 1000 ms specifies that unit C must respond to this message within 1000ms Comm Fail Register 0 specifies the local register...

Страница 51: ...t Comms Fail Timeout The period of time after which onboard I O registers will be reset if a valid Modbus transaction directed at that register has not completed Modbus TCP Client Mappings Local Regis...

Страница 52: ...iguration Because a module configuration is viewed and changed in a web format which is an Ethernet application you can view or change the configuration of a remote module via the wireless link provid...

Страница 53: ...on 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 Adjust PC network settings Set Configuration PC network...

Страница 54: ...19200bps 8 data bits 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...

Страница 55: ...e 805U E Access Point as 192 168 102 54 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...

Страница 56: ...led to cease flashing Adjust PC network settings Set Configuration PC network card with network setting of IP address 192 168 0 1 netmask 255 255 255 0 Open configuration webpage with Internet Explore...

Страница 57: ...Extending range of a network with a Repeater hop Configure units as described in Section Extending a wired network Place the Access Point at the remote intermediate repeater location LAN 192 168 0 0 2...

Страница 58: ...io LINK GREEN flash RED flash Serial Port Receiving CTS low LAN ON Link Established on Ethernet port LAN Flash Activity on Ethernet port Serial GREEN flash RS232 Serial Port Activity Serial RED flash...

Страница 59: ...Off GREEN Wait for ENTER to abort Auto boot If boot delay not zero Sequence LAN Sequence GREEN Boot loader active auto boot aborted or no application SERIAL LAN LINK GREEN Normal Operation Applicatio...

Страница 60: ...e that in the above Connectivity screen for an Access Point the STATUS section for the Client is adjustable contention window If the Access Point is V1 18 or later you can check if there are pre V1 18...

Страница 61: ...4 Network Traffic Analysis There are many devices and PC programs that will analyse performance of an Ethernet network Freely available programs such as Ethereal provide a simple cost effective means...

Страница 62: ...e signal strengths of units at both locations may be analyzed and traffic is sent between the units whilst remote webpages are opened 4 4 Utilities 4 4 1 PING Ping is a basic Internet program that let...

Страница 63: ...he 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 This gives a g...

Страница 64: ...the command prompt The reply back shows the PC s IP address Subnet mask and the gateway it is connected to Other ipconfig commands will return back more information The hardware or MAC address of the...

Страница 65: ...ting 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 This is entered in...

Страница 66: ...K 255 255 255 0 192 168 0 191 This says access everything on network B 192 168 2 0 with the Mask of 255 255 255 0 on Network A via the Ethernet IP Interface 192 168 0 191 IP Address 192 168 2 0 will a...

Страница 67: ...rvoltage and reverse voltage protected Current Drain 12VDC 280 mA During transmission 500mA 1W Current Drain 24VDC 150 mA During transmission 300mA 1W Ethernet Port 10 100 BaseT RJ45 Standard IEEE 802...

Страница 68: ...sec configurable 1200 2400 4800 9600 14400 19200 38400 57600 76800 115200 Byte format 7 or 8 data bits Stop start parity bits configurable System Parameters System address 255 word string Wireless dat...

Страница 69: ...e to remote modules Please refer to the Web based Upgrade section for the upgrade procedure Previous versions require an upgrade package using the program FlashUpdate and can only be performed local t...

Страница 70: ...are two options a The Save to Flash and Reset button may be clicked to initiate a reset immediately after a successful firmware upgrade so that the new firmware is run b Alternatively Click Save to F...

Страница 71: ...nect the module s ethernet port to PC ethernet port via a straight through ethernet cable Straight through ethernet cable is typically a blue colour Alternatively connect the module to PC via a networ...

Страница 72: ...your PC Do not unzip these files 8 Specify location of firmware bootloader file epm_mrb_elpro_E900_x x bin gz and firmware application file epm_805UE_x x bin gz using the Browse buttons in the FlashUp...

Страница 73: ...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 If programming was succe...

Страница 74: ...eliminating collisions caused by simultaneous transmission by multiple radios IEEE 802 11 states collision avoidance method rather than collision detection must be used because the standard employs ha...

Страница 75: ...stem s security standards in order to be transmitted Often used to keep unauthorized people from using systems connected to the Internet Hub A multiport device used to connect PCs to a network via Eth...

Страница 76: ...quenced Packet Exchange SPX a transport layer protocol layer 4 of the OSI Model used in Novell Netware networks The SPX layer sits on top of the IPX layer layer 3 and provides connection oriented serv...

Страница 77: ...xDSL connection NAT takes the single incoming IP address and creates new IP address for each client computer on the network NIC A type of PC adapter card that either works without wires Wi Fi or atta...

Страница 78: ...as the same destination IP address it may get routed differently through the network At the other end TCP reassembles the individual packets and waits until they have all arrived to forward them as a...

Страница 79: ...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...

Страница 80: ...address P O Box 24110 Lansdowne Cape Town 7779 Street address 47 Flamingo Crescent Lansdowne Cape Town 7780 info tabateq com www tabateq com Contact us for any additional information on these or any o...

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