Wireless Sensors GWAY-1100 Скачать руководство пользователя страница 29 | Manualshive

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Wireless Sensors, LLC

Ethernet Gateway Model GWAY-1100

Version 2.0 © July 2013

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1-Wire Interface

For ease of use, the GWAY-1100 is equipped with three 1-Wire ports that are driven separately.
By  driving  each  port  separately,  electromagnetic  interference  is  reduced,  electrical  reflections
are  reduced,  each
connector  has  more
power  available  for
parasite  powered  de-
vices and devices can
be  physically  located
based on the bus they
are connected to.

Each  of  the  1-Wire
ports  has  an  associ-
ated  10  ohm  resistor
and  jumper.  The  re-
sistor  is  in  series  with
the  +5V  out  line  and
the jumper is in paral-
lel  with  the  resistor.
Applying

a

solder

bridge to the jumper
shorts the resistor al-
lowing a greater amount of current to flow to the device via the +5v out pin. Only under extreme
conditions should it be necessary to short this jumper. See example schematic below.

Each port is a standard 6-Wire RJ12 jack, pinned for use with 1-Wire devices as follows:

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Содержание GWAY-1100

Страница 1: ...Wireless Sensors LLC Ethernet Gateway Model GWAY 1100 Version 2 0 July 2013 1 35 GWAY 1100 Rack Sentry Ethernet Gateway Operation Manual Rev 2 0 ...

Страница 2: ... HTTP 17 Retrieving XML File 17 Writing Data to 1 Wire Devices 18 Firmware Upgrading 18 SNMP Simple Network Management Protocol 19 edsEnterprise Branch 19 dTrap Branch 19 Telnet 21 UDP 22 Low Level 1 Wire Interface 24 POST Client 24 MAINTENANCE 25 Firmware and Support Files Upgrade 25 Factory Reset 27 ADDITIONAL RESOURCES 28 Supported 1 Wire Devices 28 GWAY 1100 Form Factor 28 Power Supply Require...

Страница 3: ...tion provides simple and easy steps to get up and running quickly with your GWAY 1100 Interface this section describes the three interfaces physical web and programmatic to the GWAY 1100 Configuration this section provides information on how to setup a GWAY 1100 with your existing network and or business systems as well as how to configure attached 1 Wire devices Web Access this section describes ...

Страница 4: ... DHCP serv er running on your network it will default to the following IP address 169 254 1 1 5 Configure your device Type the IP ad dress of the GWAY 1100 into your Web browser e g http 192 168 1 27 and press enter Select the tab Network Setup When the name and password is request ed enter admin for the name and sensicast for the password A Web page similar to the one shown to the right will en a...

Страница 5: ...t is receiving power and operat ing correctly flashes yellow to indicate data activity USB The power USB port may be used to configure the network settings via the internal flash drive This method would typically be used to configure the network settings to a fixed IP address with the DHCP server turned off as shown below See the section Configuration USB below Web Each GWAY 1100 includes an integ...

Страница 6: ...sources Note If your network does not have a DHCP server the GWAY 1100 will default to a self assigned address of 169 254 1 1 In the event of this situation you will need to temporarily re configure your computer s network settings to be on the same network as the GWAY 1100 in or der to talk to the device for the first time Only when the GWAY 1100 is in the same address space as your other compute...

Страница 7: ...work Note In order to access this portion of the Web tool you will need a username and password The factory default settings are user name admin and password sensicast all in lower case You can configure the following aspects of the GWAY 1100 Device name the factory default is OWServer_v2 Enet However this is a user definable name maximum 24 char acters Alphanumeric characters dashes periods space...

Страница 8: ...ame IP settings o Gateway the IP address of your network gateway o Subnet Mask the Subnet mask o Primary DNS the IP address of the primary DNS server o Secondary DNS the IP Address of a secondary DNS server Note this is option al o HTTP Port the port through which the GWAY 1100 will listen for incoming HTTP requests Normally programmed to 80 Save when you have finished making settings click the Sa...

Страница 9: ...nd commands di rectly to 1 Wire devices connected to the system It is ideal for solutions developers looking to inte grate the GWAY 1100 with 1 Wire devices not currently supported at a high level or for legacy applications For specific 1 Wire commands see Low Level 1 Wire Communication Protocol in Appendix A To configure the port Click the Enable check box Specify a port number through which comm...

Страница 10: ...Note The USB port cannot be used to determine the cur rent IP address assigned by the DHCP server HOWEVER using the USB port you can disable DHCP set the device to a fixed IP address then find the device at that address assuming that there is no conflict with the de sired IP address ...

Страница 11: ...es connected the number of 1 Wire devices connected to the GW 1100 Loop time the time in seconds it takes for the GWAY 1100 to cycle through polling all of the devices and receive a response As more devices are added each individual de vice gets read less frequently since only a single device can be read at a time This value is useful for determining how frequently each sensor gets read Device pol...

Страница 12: ...ire bus in the following or der Searches for devices if new devices are found they are added to the end of the de vice list2 Reads data each sensor is read and fields are updated before proceeding to next sen sor English Metric Conversion Select the Metric or English system of measurement The page will refresh to display the data in the system of your choice Graph On the Home page a single value o...

Страница 13: ...and clicking on a sensor listed on the Home page the user can access alarm settings modify limits and graph up to 3 different sensor values After an individual sensor is selected a new screen will appear that displays variables associated with the sensing device Sen sors with many variables will have some hidden so the More button may be used to view the extended list of variables Device Data The ...

Страница 14: ...ng The duration of the graph window ranges from 15 minutes to 3 days Data is not stored if you leave the Web page the graph will be lost You can open multiple Web pages to view additional information however each additional Web page browser will slow the response from the GWAY 1100 Download This feature captures all data currently displayed in the graph and saves it to a csv file or displays it on...

Страница 15: ...l for determining how frequently each sensor gets read Device Name the programmable name given to the GWAY 1100 to distinguish one GWAY 1100 from another Host Name the name used by NBNS MAC Address This is the globally unique MAC address of the GWAY 1100 Connection status the connection status between the GWAY 1100 and the Web browser that is accessing the GWAY 1100 Network configuration page If a...

Страница 16: ... devices that have programmable elements e g UserByte1 and UserByte2 in the Programmable Resolution Thermometer example depicted above you can click the Write but ton to specify a value All of the current sensor data is available for download at the details xml link on the bottom of the page ...

Страница 17: ...client that implements a command response low level interface that may be used to directly control the 1 Wire bus POST Client provides a method of pushing XML data about connected 1 Wire devices to a server HTTP The HTTP mechanism enables programmers to utilize a GET command to retrieve various data elements that are contained in an XML file as well as write data to 1 Wire devices that support con...

Страница 18: ...te1 Writable True 7 UserByte1 UserByte2 Writable True 8 UserByte2 Resolution 12 Resolution PowerSource 255 PowerSource owd_DS18B20 Devices Detail Response Each owd_xxx element contains the device name Name family code Family ROM ID ROMId health Health raw data used to obtain the data fields RawData displayed in hex format and a list of the data fields where the name of the data field provides the ...

Страница 19: ...ine communication It defines all available SNMP nodes availa ble complete with a text description The file also contains text descriptions and explanations of the various OID functions This screenshot of the iReasoning MIB Browser1 shows the GWAY 1100 mib file loaded into the SNMP interface and expanded to display the 3 nodes edsEnterprise dTrap and owDevices as shown below edsEnterprise Branch Th...

Страница 20: ... the trap to be sent o dTrapDeviceROM Stores the 1 Wire ROM ID of the device to base sending traps on To be valid this value must not be zero and must match a ROM code of a currently connected and active 1 Wire device o dTrapDeviceVariable Defines which variable of the 1 Wire device to base calculation on The value must refer to a valid variable or no trap will be sent The variable number can be d...

Страница 21: ...y be set to any value The high threshold low threshold and hysteresis are stored as float in the GWAY 1100 but are written as strings This is be cause the SNMP V1 protocol makes no provision for a float Because of this some numbers may be rounded and are dis played with 3 digits of precision after the decimal point regard less of what the number actually is in the GWAY 1100 The owDevices has the f...

Страница 22: ...n order to complete the connection you must enter the username1 and password 2 Once the connection has been successfully authenticated the GWAY 1100 will present you with a textual menu through which you can show basic information UDP The GWAY 1100 can interact with UDP requests on port 30303 and provide basic information in return The primary use for this is discovering any GWAY 1100 on the netwo...

Страница 23: ...e text string programmed in the Host Name field of the Network Configuration Web page MAC This is the globally unique MAC address of the GWAY 1100 IP The current IP address Product A text description of the product It cannot be changed FWVer Firmware version of the GWAY 1100 Name This is the text string programmed in the Device Name field of the Network Configuration Web page HTTPPort The HTTP por...

Страница 24: ...e TCP connection If 30 seconds elapse without any commands the GWAY 1100 closes the TCP connection and resumes normal polling of 1 Wire devices Optionally the user may send a quit command to avoid the 30 seconds delay See Appendix A for LOW LEVEL 1 WIRE COMMUNICATION PROTOCOL POST Client This feature automatically on a timed basis sends the XML file details xml to a HTTP server Its primary purpose...

Страница 25: ... using the following procedure 1 Update the firmware files Open the Web page associated with your GWAY 1100 and select the Network menu found under System Configuration Scroll to the paragraph near the bottom of the page beginning with To upload new firmware CLICK HERE Click the link to begin the procedure Click the Choose File button to locate and select the hex file provided to you by EDS Once t...

Страница 26: ...th To upload new firmware support data CLICK HERE Click the link to begin the procedure Click the Choose File button to locate and select the bin file provided to you by Wireless Sensors Once the file is located click the Upload button Once complete the GWAY 1100 will apply the new file and return the message Update Successful Select Site main page to return to Home screen NOTE Be certain to clear...

Страница 27: ...the green LED stops flashing and stays on solidly 6 Remove the short and replace the top cover Once you have removed the short from P2 the reset will take less than four seconds to complete Once reset the following configuration el ements will be returned to their factory set tings Device Name GWAY 1100 Host Name SENSINET DHCP Enabled In the event that a DHCP server is available on the network the...

Страница 28: ...to any 5 Volt DC power supply having a USB micro B plug The GWAY 1100 has a typical current draw of 245ma with no devices connected however a power supply with at least 400ma capacity is required for correct operation The input is reversed voltage protected although use of a standard micro USB wall transformer such as used to charge cellular phones should avoid any reverse or over voltage issues T...

Страница 29: ...and devices can be physically located based on the bus they are connected to Each of the 1 Wire ports has an associ ated 10 ohm resistor and jumper The re sistor is in series with the 5V out line and the jumper is in paral lel with the resistor Applying a solder bridge to the jumper shorts the resistor al lowing a greater amount of current to flow to the device via the 5v out pin Only under extrem...

Страница 30: ... to 1000 feet of cabling and 24 1 Wire devices on a CAT 5 twisted pair net ESD protection is provided on the 1 Wire bus Power Supply Schematic 1 Wire Interface Schematic Specifications PARAMETER MIN TYP MAX UNITS Operating Temperature 40 85 C Storing Temperature 40 85 C Operating Humidity non condensing 0 90 ...

Страница 31: ... on any GWAY 1100 to retrieve the IP address of any GWAY 1100 connected to the network Support Wireless Sensors provides a comprehensive FAQ and online support system accessible from their website This support system includes the most up to date information about the GWAY 1100 product family Storing Humidity non condensing 0 90 Supply Voltage DC 10 5 Volts Rated Current average with Ethernet but n...

Страница 32: ...003 du Canada EUROPEAN COMMUNITY EC DIRECTIVES CONFORMITY APPLICATION OF COUNCIL DIRECTIVE 2004 108 EC Standard to which Conformity is Declared EN 61326 1 2006 Emmissions EN 61326 2 3 2006 Immunity EN 61000 3 2 2006 A1 2009 A2 2009 Harmonics EN 61000 3 3 2008 Flicker Caution The manufacturer is not responsible for any radio or television interference caused by using other than recommended cables o...

Страница 33: ... is sent out 1 Wire bus using M command a Address select without send Address follows command address is copied to active ROM but is not sent out 1 Wire bus M Match ROM Address stored in active ROM is sent out 1 Wire bus m Match ROM set overdrive speed Required as the next command after setting overdrive speed to be used only once W Write a block of data up to 64 bytes Data follows command no byte...

Страница 34: ...at Command single char Channel single char must be 1 2 or 3 not required for the I or h command Data sent as ASCII encoded hex up to 128 bytes or 256 characters Carriage return termination char Data sent from the GWAY 1100 to the client has this format Data sent as ASCII encoded hex up to 128 bytes or 256 characters Carriage return termination char a line feed is also sent AUTO UPDATE LOCKOUT The ...

Страница 35: ...p ROM command rx CC Data received tx W244 Write to Channel 2 the Convert T command After this command is executed no activity is permitted on the 1 Wire bus for at least 750ms to allow parasite powered devices to complete their conversion rx 44 Data received tx R3 Reset 1 Wire Bus Channel 3 rx P Presence Pulse received rx W3CC Write to Channel 3 the Skip ROM command rx CC Data received tx W344 Wri...

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